/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d_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_1072d_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 dbff84b908ff01b4d2841315a486ca175d7dad80 --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_1072d_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 dbff84b908ff01b4d2841315a486ca175d7dad80 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:11:03,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:11:03,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:11:03,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:11:03,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:11:03,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:11:03,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:11:03,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:11:03,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:11:03,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:11:03,411 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:11:03,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:11:03,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:11:03,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:11:03,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:11:03,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:11:03,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:11:03,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:11:03,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:11:03,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:11:03,434 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:11:03,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:11:03,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:11:03,444 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:11:03,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:11:03,446 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:11:03,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:11:03,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:11:03,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:11:03,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:11:03,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:11:03,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:11:03,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:11:03,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:11:03,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:11:03,459 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:11:03,460 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:11:03,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:11:03,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:11:03,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:11:03,497 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:11:03,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:11:03,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:11:03,498 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:11:03,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:11:03,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:11:03,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:11:03,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:11:03,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:11:03,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:11:03,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:11:03,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:11:03,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:11:03,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:11:03,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:11:03,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:11:03,502 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:11:03,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:11:03,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:11:03,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:11:03,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:11:03,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:11:03,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:11:03,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:11:03,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:11:03,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:11:03,506 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 -> dbff84b908ff01b4d2841315a486ca175d7dad80 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 18:11:03,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:11:03,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:11:03,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:11:03,600 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:11:03,602 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:11:03,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:03,946 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfdb4d0d/4450bf8e03a849af9efae3ed4fbafc84/FLAGc9a204388 [2018-09-21 18:11:04,077 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:11:04,078 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:04,086 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfdb4d0d/4450bf8e03a849af9efae3ed4fbafc84/FLAGc9a204388 [2018-09-21 18:11:04,102 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfdb4d0d/4450bf8e03a849af9efae3ed4fbafc84 [2018-09-21 18:11:04,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:11:04,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:11:04,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:04,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:11:04,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:11:04,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492a23e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04, skipping insertion in model container [2018-09-21 18:11:04,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,133 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:11:04,366 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:04,385 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:11:04,430 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:04,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04 WrapperNode [2018-09-21 18:11:04,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:04,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:11:04,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:11:04,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:11:04,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (1/1) ... [2018-09-21 18:11:04,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:11:04,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:11:04,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:11:04,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:11:04,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (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 18:11:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:11:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:11:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:11:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-09-21 18:11:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:11:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:11:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:11:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:11:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-09-21 18:11:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:11:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:11:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:11:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:11:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:11:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:11:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:11:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:11:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:11:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:11:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:11:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:11:05,535 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:11:05,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:05 BoogieIcfgContainer [2018-09-21 18:11:05,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:11:05,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:11:05,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:11:05,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:11:05,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:11:04" (1/3) ... [2018-09-21 18:11:05,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dd9e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:05, skipping insertion in model container [2018-09-21 18:11:05,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:04" (2/3) ... [2018-09-21 18:11:05,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dd9e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:05, skipping insertion in model container [2018-09-21 18:11:05,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:05" (3/3) ... [2018-09-21 18:11:05,547 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:05,557 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:11:05,567 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:11:05,610 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:11:05,611 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:11:05,611 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:11:05,611 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:11:05,612 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:11:05,612 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:11:05,613 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:11:05,613 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:11:05,613 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:11:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-09-21 18:11:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-21 18:11:05,659 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:05,661 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] [2018-09-21 18:11:05,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash 624424676, now seen corresponding path program 1 times [2018-09-21 18:11:05,681 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:11:05,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:11:05,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:05,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:05,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:05,840 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 18:11:05,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:05,844 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:11:05,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:11:05,860 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:11:05,861 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:11:05,864 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-09-21 18:11:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:05,887 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2018-09-21 18:11:05,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:11:05,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-09-21 18:11:05,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:05,901 INFO L225 Difference]: With dead ends: 94 [2018-09-21 18:11:05,902 INFO L226 Difference]: Without dead ends: 90 [2018-09-21 18:11:05,904 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 18:11:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-09-21 18:11:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-09-21 18:11:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-09-21 18:11:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2018-09-21 18:11:05,957 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 25 [2018-09-21 18:11:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:05,958 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2018-09-21 18:11:05,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:11:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2018-09-21 18:11:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-21 18:11:05,961 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:05,962 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] [2018-09-21 18:11:05,962 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:05,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1875914364, now seen corresponding path program 1 times [2018-09-21 18:11:05,963 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:11:05,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:11:05,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:05,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:05,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:11:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:11:06,270 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:11:06,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:11:06 BoogieIcfgContainer [2018-09-21 18:11:06,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:11:06,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:11:06,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:11:06,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:11:06,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:05" (3/4) ... [2018-09-21 18:11:06,323 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:11:06,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:11:06,325 INFO L168 Benchmark]: Toolchain (without parser) took 2217.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:06,327 INFO L168 Benchmark]: CDTParser took 0.20 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 18:11:06,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:06,329 INFO L168 Benchmark]: Boogie Preprocessor took 83.66 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:06,333 INFO L168 Benchmark]: RCFGBuilder took 971.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:06,334 INFO L168 Benchmark]: TraceAbstraction took 779.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:06,335 INFO L168 Benchmark]: Witness Printer took 6.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:11:06,340 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 369.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.66 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 971.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 779.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 89]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 71. Possible FailurePath: [L84] double x = -1.0 / 0.0; [L85] CALL, EXPR trunc_double(x) VAL [\old(x)=10737418240] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=10737418240, x=10737418240] [L23] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418240, ew_u={10737418245:0}, x=10737418240] [L24] FCALL ew_u.value = (x) VAL [\old(x)=10737418240, ew_u={10737418245:0}, x=10737418240] [L25] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.msw=6442450943, x=10737418240] [L25] (msw) = ew_u.parts.msw VAL [\old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.msw=6442450943, msw=2147483647, x=10737418240] [L25] FCALL (msw) = ew_u.parts.msw VAL [(msw) = ew_u.parts.msw=10737418249, \old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.msw=6442450943, msw=2147483647, x=10737418240] [L26] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.lsw=10737418247, msw=2147483647, x=10737418240] [L26] (lsw) = ew_u.parts.lsw VAL [\old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.lsw=10737418247, lsw=2147483655, msw=2147483647, x=10737418240] [L26] FCALL (lsw) = ew_u.parts.lsw VAL [(lsw) = ew_u.parts.lsw=10737418248, \old(x)=10737418240, ew_u={10737418245:0}, ew_u.parts.lsw=10737418247, lsw=2147483655, msw=2147483647, x=10737418240] [L27] COND FALSE !(0) VAL [\old(x)=10737418240, lsw=2147483655, msw=2147483647, x=10737418240] [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=10737418240, exponent_less_1023=1024, lsw=2147483655, msw=2147483647, signbit=-1, x=10737418240] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=10737418240, exponent_less_1023=1024, lsw=2147483655, msw=2147483647, signbit=-1, x=10737418240] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=10737418240, exponent_less_1023=1024, lsw=2147483655, msw=2147483647, signbit=-1, x=10737418240] [L48] COND TRUE exponent_less_1023 == 1024 [L49] RET return x + x; VAL [\old(x)=10737418240, exponent_less_1023=1024, lsw=2147483655, msw=2147483647, signbit=-1, x=10737418240] [L85] EXPR trunc_double(x) VAL [trunc_double(x)=10737418246, x=10737418240] [L85] double res = trunc_double(x); [L88] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418246] [L64] __int32_t hx, lx; VAL [\old(x)=10737418246, x=10737418246] [L66] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418246, ew_u={10737418243:0}, x=10737418246] [L67] FCALL ew_u.value = (x) VAL [\old(x)=10737418246, ew_u={10737418243:0}, x=10737418246] [L68] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.msw=6442450944, x=10737418246] [L68] (hx) = ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.msw=6442450944, hx=-2147483648, x=10737418246] [L68] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418242, \old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.msw=6442450944, hx=-2147483648, x=10737418246] [L69] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.lsw=10737418239, hx=-2147483648, x=10737418246] [L69] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.lsw=10737418239, hx=-2147483648, lx=2147483647, x=10737418246] [L69] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418244, \old(x)=10737418246, ew_u={10737418243:0}, ew_u.parts.lsw=10737418239, hx=-2147483648, lx=2147483647, x=10737418246] [L70] COND FALSE !(0) VAL [\old(x)=10737418246, hx=-2147483648, lx=2147483647, x=10737418246] [L71] hx &= 0x7fffffff [L72] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L73] hx = 0x7ff00000 - hx [L74] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418246, \result=0, hx=2146435073, lx=2147483647, x=10737418246] [L88] EXPR isinf_double(res) VAL [isinf_double(res)=0, res=10737418246, x=10737418240] [L88] COND TRUE !isinf_double(res) [L89] __VERIFIER_error() VAL [res=10737418246, x=10737418240] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 97 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 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=94occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 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 18:11:08,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:11:08,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:11:08,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:11:08,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:11:08,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:11:08,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:11:08,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:11:08,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:11:08,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:11:08,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:11:08,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:11:08,703 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:11:08,704 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:11:08,706 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:11:08,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:11:08,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:11:08,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:11:08,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:11:08,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:11:08,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:11:08,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:11:08,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:11:08,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:11:08,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:11:08,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:11:08,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:11:08,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:11:08,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:11:08,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:11:08,727 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:11:08,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:11:08,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:11:08,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:11:08,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:11:08,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:11:08,731 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:11:08,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:11:08,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:11:08,748 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:11:08,748 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:11:08,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:11:08,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:11:08,749 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:11:08,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:11:08,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:11:08,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:11:08,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:11:08,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:11:08,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:11:08,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:11:08,751 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:11:08,751 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:11:08,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:11:08,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:11:08,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:11:08,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:11:08,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:11:08,753 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:11:08,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:11:08,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:11:08,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:11:08,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:11:08,754 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:11:08,755 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:11:08,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:11:08,756 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:11:08,756 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:11:08,756 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 -> dbff84b908ff01b4d2841315a486ca175d7dad80 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 18:11:08,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:11:08,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:11:08,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:11:08,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:11:08,842 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:11:08,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:09,192 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0b148cf/f47e3b513d6b43e8ab698f9cf1634ec4/FLAG859d201ff [2018-09-21 18:11:09,380 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:11:09,380 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:09,388 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0b148cf/f47e3b513d6b43e8ab698f9cf1634ec4/FLAG859d201ff [2018-09-21 18:11:09,403 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0b148cf/f47e3b513d6b43e8ab698f9cf1634ec4 [2018-09-21 18:11:09,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:11:09,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:11:09,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:09,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:11:09,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:11:09,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a561c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09, skipping insertion in model container [2018-09-21 18:11:09,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,437 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:11:09,722 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:09,749 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:11:09,801 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:09,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09 WrapperNode [2018-09-21 18:11:09,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:09,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:11:09,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:11:09,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:11:09,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (1/1) ... [2018-09-21 18:11:09,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:11:09,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:11:09,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:11:09,937 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:11:09,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (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 18:11:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:11:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:11:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:11:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-09-21 18:11:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:11:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-09-21 18:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:11:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:11:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:11:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:11:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:11:10,374 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,403 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,443 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,702 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,716 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,740 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:10,934 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:11:10,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:10 BoogieIcfgContainer [2018-09-21 18:11:10,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:11:10,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:11:10,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:11:10,942 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:11:10,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:11:09" (1/3) ... [2018-09-21 18:11:10,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4044fabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:10, skipping insertion in model container [2018-09-21 18:11:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:09" (2/3) ... [2018-09-21 18:11:10,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4044fabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:10, skipping insertion in model container [2018-09-21 18:11:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:10" (3/3) ... [2018-09-21 18:11:10,948 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d_true-unreach-call.c [2018-09-21 18:11:10,957 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:11:10,966 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:11:11,008 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:11:11,009 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:11:11,009 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:11:11,009 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:11:11,010 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:11:11,011 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:11:11,011 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:11:11,011 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:11:11,011 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:11:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-09-21 18:11:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-21 18:11:11,044 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:11,046 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] [2018-09-21 18:11:11,049 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:11,056 INFO L82 PathProgramCache]: Analyzing trace with hash 368097506, now seen corresponding path program 1 times [2018-09-21 18:11:11,060 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:11:11,060 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 18:11:11,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:11,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:11:11,231 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 18:11:11,237 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:11:11,258 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:11,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:11:11,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:11:11,283 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:11:11,284 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:11:11,287 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2018-09-21 18:11:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:11,318 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2018-09-21 18:11:11,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:11:11,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-21 18:11:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:11,339 INFO L225 Difference]: With dead ends: 93 [2018-09-21 18:11:11,342 INFO L226 Difference]: Without dead ends: 89 [2018-09-21 18:11:11,346 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 18:11:11,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-09-21 18:11:11,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-09-21 18:11:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-09-21 18:11:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 92 transitions. [2018-09-21 18:11:11,400 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 92 transitions. Word has length 24 [2018-09-21 18:11:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:11,400 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 92 transitions. [2018-09-21 18:11:11,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:11:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 92 transitions. [2018-09-21 18:11:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 18:11:11,403 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:11,404 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] [2018-09-21 18:11:11,404 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:11,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1584619865, now seen corresponding path program 1 times [2018-09-21 18:11:11,405 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:11:11,406 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) [2018-09-21 18:11:11,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:11:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:11,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:11:12,281 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-09-21 18:11:12,772 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:11:12,774 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:11:12,780 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 18:11:12,800 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:11:12,845 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 18:11:12,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:11:12,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:11:13,057 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 18:11:13,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:11:13,965 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:11:13,970 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:11:13,971 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 18:11:14,023 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:11:14,046 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 18:11:14,047 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:11:14,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:11:14,160 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 18:11:14,161 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 18:11:14,466 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 18:11:14,485 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:11:14,489 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 18:11:14,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:11:14,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:11:14,522 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 18:11:14,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 18:11:15,731 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 18:11:15,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:11:15,747 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:15,748 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-21 18:11:15,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-21 18:11:15,750 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-21 18:11:15,752 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:11:15,752 INFO L87 Difference]: Start difference. First operand 89 states and 92 transitions. Second operand 15 states. [2018-09-21 18:11:18,094 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-21 18:11:24,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:24,931 INFO L93 Difference]: Finished difference Result 97 states and 100 transitions. [2018-09-21 18:11:24,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-21 18:11:24,932 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2018-09-21 18:11:24,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:24,937 INFO L225 Difference]: With dead ends: 97 [2018-09-21 18:11:24,938 INFO L226 Difference]: Without dead ends: 92 [2018-09-21 18:11:24,939 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2018-09-21 18:11:24,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-21 18:11:24,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2018-09-21 18:11:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-09-21 18:11:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2018-09-21 18:11:24,954 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 50 [2018-09-21 18:11:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:24,954 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2018-09-21 18:11:24,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-21 18:11:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2018-09-21 18:11:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-21 18:11:24,957 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:24,958 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] [2018-09-21 18:11:24,958 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1799272832, now seen corresponding path program 1 times [2018-09-21 18:11:24,959 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:11:24,959 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 18:11:24,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:25,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:11:25,096 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 18:11:25,102 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 18:11:25,103 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:11:25,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:11:25,125 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 18:11:25,126 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:11:25,183 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 18:11:25,190 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 18:11:25,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:11:25,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:11:25,203 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 18:11:25,204 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:11:25,416 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 18:11:25,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:11:25,427 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:25,428 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:11:25,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:11:25,428 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:11:25,429 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:11:25,429 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand 9 states. [2018-09-21 18:11:26,450 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 18:11:27,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:27,212 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-09-21 18:11:27,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:11:27,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-09-21 18:11:27,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:27,214 INFO L225 Difference]: With dead ends: 69 [2018-09-21 18:11:27,214 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:11:27,215 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-21 18:11:27,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:11:27,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:11:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:11:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:11:27,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-09-21 18:11:27,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:27,216 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:11:27,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:11:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:11:27,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:11:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:11:27 BoogieIcfgContainer [2018-09-21 18:11:27,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:11:27,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:11:27,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:11:27,225 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:11:27,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:10" (3/4) ... [2018-09-21 18:11:27,230 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:11:27,237 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 18:11:27,237 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:11:27,238 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-21 18:11:27,238 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:11:27,238 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-09-21 18:11:27,245 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-09-21 18:11:27,246 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-21 18:11:27,246 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:11:27,314 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:11:27,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:11:27,315 INFO L168 Benchmark]: Toolchain (without parser) took 17907.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.9 MB in the beginning and 863.7 MB in the end (delta: 88.1 MB). Peak memory consumption was 237.6 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:27,317 INFO L168 Benchmark]: CDTParser took 0.18 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 18:11:27,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:27,318 INFO L168 Benchmark]: Boogie Preprocessor took 85.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:11:27,318 INFO L168 Benchmark]: RCFGBuilder took 998.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:27,320 INFO L168 Benchmark]: TraceAbstraction took 16287.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.7 MB in the end (delta: 246.8 MB). Peak memory consumption was 246.8 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:27,321 INFO L168 Benchmark]: Witness Printer took 89.05 ms. Allocated memory is still 1.2 GB. Free memory is still 863.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:11:27,325 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 439.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 998.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16287.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.7 MB in the end (delta: 246.8 MB). Peak memory consumption was 246.8 MB. Max. memory is 11.5 GB. * Witness Printer took 89.05 ms. Allocated memory is still 1.2 GB. Free memory is still 863.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 89]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 96 locations, 1 error locations. SAFE Result, 16.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 222 SDtfs, 225 SDslu, 939 SDs, 0 SdLazy, 320 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 122 ConstructedInterpolants, 33 QuantifiedInterpolants, 48463 SizeOfPredicates, 19 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...