/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0833_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_0833_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 e9c6bf05d102b43fb2b728009d6b55f3314474ef --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_0833_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 e9c6bf05d102b43fb2b728009d6b55f3314474ef --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 17:54:42,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:54:42,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:54:42,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:54:42,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:54:42,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:54:42,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:54:42,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:54:42,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:54:42,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:54:42,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:54:42,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:54:42,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:54:42,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:54:42,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:54:42,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:54:42,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:54:42,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:54:42,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:54:42,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:54:42,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:54:42,415 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:54:42,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:54:42,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:54:42,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:54:42,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:54:42,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:54:42,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:54:42,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:54:42,425 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:54:42,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:54:42,426 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:54:42,426 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:54:42,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:54:42,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:54:42,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:54:42,430 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:54:42,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:54:42,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:54:42,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:54:42,448 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:54:42,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:54:42,450 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:54:42,450 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:54:42,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:54:42,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:54:42,451 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:54:42,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:54:42,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:54:42,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:54:42,452 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:54:42,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:54:42,452 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:54:42,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:54:42,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:54:42,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:54:42,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:54:42,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:54:42,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:54:42,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:42,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:54:42,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:54:42,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:54:42,456 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:54:42,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:54:42,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:54:42,458 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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef 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 17:54:42,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:54:42,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:54:42,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:54:42,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:54:42,539 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:54:42,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-09-21 17:54:42,928 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1c78e53/6cebd078ee944fb698fd3186cc2fa543/FLAG56d9a0c82 [2018-09-21 17:54:43,116 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:54:43,116 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-09-21 17:54:43,128 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1c78e53/6cebd078ee944fb698fd3186cc2fa543/FLAG56d9a0c82 [2018-09-21 17:54:43,146 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1c78e53/6cebd078ee944fb698fd3186cc2fa543 [2018-09-21 17:54:43,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:54:43,153 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:54:43,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:43,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:54:43,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:54:43,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550ba157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43, skipping insertion in model container [2018-09-21 17:54:43,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,178 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:54:43,488 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:43,509 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:54:43,541 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:43,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43 WrapperNode [2018-09-21 17:54:43,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:43,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:54:43,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:54:43,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:54:43,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (1/1) ... [2018-09-21 17:54:43,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:54:43,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:54:43,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:54:43,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:54:43,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (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 17:54:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:54:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:54:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-09-21 17:54:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-21 17:54:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:54:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:54:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:54:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-09-21 17:54:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:54:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:54:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:54:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:54:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:54:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:54:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-21 17:54:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:54:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:54:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:54:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:54:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:54:44,751 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:54:44,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:44 BoogieIcfgContainer [2018-09-21 17:54:44,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:54:44,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:54:44,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:54:44,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:54:44,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:54:43" (1/3) ... [2018-09-21 17:54:44,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573b5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:44, skipping insertion in model container [2018-09-21 17:54:44,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:43" (2/3) ... [2018-09-21 17:54:44,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573b5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:44, skipping insertion in model container [2018-09-21 17:54:44,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:44" (3/3) ... [2018-09-21 17:54:44,762 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-09-21 17:54:44,773 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:54:44,782 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:54:44,825 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:54:44,826 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:54:44,827 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:54:44,827 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:54:44,827 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:54:44,827 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:54:44,828 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:54:44,828 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:54:44,828 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:54:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-21 17:54:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-21 17:54:44,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:44,871 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:54:44,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:44,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1882343839, now seen corresponding path program 1 times [2018-09-21 17:54:44,882 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:54:44,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:54:44,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:44,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:44,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:54:45,053 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 17:54:45,058 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:54:45,059 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:54:45,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:54:45,079 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:54:45,079 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:54:45,082 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-09-21 17:54:45,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:54:45,118 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2018-09-21 17:54:45,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:54:45,120 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-21 17:54:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:54:45,132 INFO L225 Difference]: With dead ends: 117 [2018-09-21 17:54:45,132 INFO L226 Difference]: Without dead ends: 113 [2018-09-21 17:54:45,134 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 17:54:45,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-21 17:54:45,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-21 17:54:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-21 17:54:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-09-21 17:54:45,180 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 19 [2018-09-21 17:54:45,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:54:45,180 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-09-21 17:54:45,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:54:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-09-21 17:54:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-21 17:54:45,182 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:45,182 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 17:54:45,183 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:45,183 INFO L82 PathProgramCache]: Analyzing trace with hash -586233349, now seen corresponding path program 1 times [2018-09-21 17:54:45,183 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:54:45,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:54:45,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:45,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:45,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:54:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:54:45,338 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:54:45,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:54:45 BoogieIcfgContainer [2018-09-21 17:54:45,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:54:45,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:54:45,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:54:45,407 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:54:45,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:44" (3/4) ... [2018-09-21 17:54:45,413 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:54:45,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:54:45,414 INFO L168 Benchmark]: Toolchain (without parser) took 2263.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:45,416 INFO L168 Benchmark]: CDTParser took 0.22 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 17:54:45,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:45,418 INFO L168 Benchmark]: Boogie Preprocessor took 94.47 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:54:45,418 INFO L168 Benchmark]: RCFGBuilder took 1079.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:45,420 INFO L168 Benchmark]: TraceAbstraction took 652.43 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 17:54:45,422 INFO L168 Benchmark]: Witness Printer took 6.47 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 17:54:45,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 420.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.47 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1079.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 652.43 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 6.47 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: 153]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 152. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(huge_exp)=11, \old(invln2_exp)=12, \old(o_threshold_exp)=19, \old(one_exp)=29, \old(P1_exp)=14, \old(P2_exp)=17, \old(P3_exp)=25, \old(P4_exp)=27, \old(P5_exp)=26, \old(twom1000_exp)=18, \old(u_threshold_exp)=23, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -1.0 / 0.0; VAL [huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L50] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=21, gh_u={22:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L51] FCALL gh_u.value = (x) VAL [\old(x)=21, gh_u={22:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L52] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=21, gh_u={22:0}, gh_u.parts.msw=24, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L52] (hx) = gh_u.parts.msw VAL [\old(x)=21, gh_u={22:0}, gh_u.parts.msw=24, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=24, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L52] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=13, \old(x)=21, gh_u={22:0}, gh_u.parts.msw=24, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=24, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L53] COND FALSE !(0) VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=24, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] RET return huge_exp * huge_exp; VAL [\old(x)=21, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21, xsb=-1] [L150] EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=10, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L150] double res = __ieee754_exp(x); [L152] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=10, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L152] COND FALSE, EXPR !(res == 0.0 && __signbit_double(res) == 0) VAL [huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=10, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] [L152] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L153] __VERIFIER_error() VAL [huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=10, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=21] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 129 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=117occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 17:54:47,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:54:47,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:54:47,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:54:47,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:54:47,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:54:47,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:54:47,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:54:47,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:54:47,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:54:47,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:54:47,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:54:47,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:54:47,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:54:47,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:54:47,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:54:47,857 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:54:47,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:54:47,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:54:47,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:54:47,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:54:47,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:54:47,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:54:47,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:54:47,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:54:47,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:54:47,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:54:47,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:54:47,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:54:47,875 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:54:47,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:54:47,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:54:47,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:54:47,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:54:47,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:54:47,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:54:47,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:54:47,897 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:54:47,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:54:47,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:54:47,899 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:54:47,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:54:47,900 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:54:47,900 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:54:47,901 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:54:47,901 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:54:47,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:54:47,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:54:47,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:54:47,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:54:47,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:54:47,902 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:54:47,903 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:54:47,903 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:54:47,903 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:54:47,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:54:47,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:54:47,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:54:47,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:54:47,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:54:47,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:47,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:54:47,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:54:47,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:54:47,907 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:54:47,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:54:47,907 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:54:47,907 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:54:47,907 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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef 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 17:54:47,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:54:47,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:54:47,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:54:47,988 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:54:47,988 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:54:47,989 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-09-21 17:54:48,348 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e01cda4/1f3ee2d90aac49738e08787b43cd8ad1/FLAGf9b37af6a [2018-09-21 17:54:48,576 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:54:48,580 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-09-21 17:54:48,594 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e01cda4/1f3ee2d90aac49738e08787b43cd8ad1/FLAGf9b37af6a [2018-09-21 17:54:48,617 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e01cda4/1f3ee2d90aac49738e08787b43cd8ad1 [2018-09-21 17:54:48,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:54:48,627 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:54:48,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:48,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:54:48,639 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:54:48,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:48" (1/1) ... [2018-09-21 17:54:48,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5604ea33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:48, skipping insertion in model container [2018-09-21 17:54:48,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:48" (1/1) ... [2018-09-21 17:54:48,659 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:54:48,984 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:49,008 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:54:49,048 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:49,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49 WrapperNode [2018-09-21 17:54:49,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:49,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:54:49,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:54:49,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:54:49,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (1/1) ... [2018-09-21 17:54:49,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:54:49,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:54:49,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:54:49,212 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:54:49,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (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 17:54:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:54:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:54:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-09-21 17:54:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-21 17:54:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:54:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:54:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:54:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-09-21 17:54:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:54:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:54:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:54:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:54:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:54:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:54:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-21 17:54:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:54:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:54:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:54:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:54:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:54:49,695 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:49,750 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:49,918 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:49,962 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,053 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,067 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,114 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,192 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,207 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:02,287 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:03,020 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:03,044 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:05,160 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:55:05,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:55:05 BoogieIcfgContainer [2018-09-21 17:55:05,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:55:05,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:55:05,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:55:05,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:55:05,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:54:48" (1/3) ... [2018-09-21 17:55:05,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3238eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:55:05, skipping insertion in model container [2018-09-21 17:55:05,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:49" (2/3) ... [2018-09-21 17:55:05,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3238eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:55:05, skipping insertion in model container [2018-09-21 17:55:05,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:55:05" (3/3) ... [2018-09-21 17:55:05,169 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-09-21 17:55:05,179 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:55:05,188 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:55:05,230 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:55:05,231 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:55:05,231 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:55:05,231 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:55:05,232 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:55:05,232 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:55:05,232 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:55:05,232 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:55:05,232 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:55:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-21 17:55:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-21 17:55:05,265 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:55:05,266 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:55:05,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:55:05,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1882343839, now seen corresponding path program 1 times [2018-09-21 17:55:05,279 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:55:05,280 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 17:55:05,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:55:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:55:05,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:05,662 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 17:55:05,663 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:05,680 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:05,680 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:55:05,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:55:05,699 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:55:05,700 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:55:05,703 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-09-21 17:55:05,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:55:05,729 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2018-09-21 17:55:05,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:55:05,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-21 17:55:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:55:05,744 INFO L225 Difference]: With dead ends: 117 [2018-09-21 17:55:05,745 INFO L226 Difference]: Without dead ends: 113 [2018-09-21 17:55:05,747 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:55:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-21 17:55:05,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-21 17:55:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-21 17:55:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-09-21 17:55:05,801 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 19 [2018-09-21 17:55:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:55:05,801 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-09-21 17:55:05,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:55:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-09-21 17:55:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-21 17:55:05,804 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:55:05,804 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 17:55:05,804 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:55:05,804 INFO L82 PathProgramCache]: Analyzing trace with hash -586233349, now seen corresponding path program 1 times [2018-09-21 17:55:05,805 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:55:05,805 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 17:55:05,814 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 17:55:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:55:06,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:06,354 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 17:55:06,362 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 17:55:06,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:06,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:06,448 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 17:55:06,448 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:55:06,537 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 17:55:06,544 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 17:55:06,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:06,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:06,596 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 17:55:06,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:55:06,947 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 17:55:06,947 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:06,965 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:06,966 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:55:06,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:55:06,968 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:55:06,969 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:55:06,969 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 9 states. [2018-09-21 17:55:07,812 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:55:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:55:26,540 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2018-09-21 17:55:26,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:55:26,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-21 17:55:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:55:26,547 INFO L225 Difference]: With dead ends: 120 [2018-09-21 17:55:26,547 INFO L226 Difference]: Without dead ends: 118 [2018-09-21 17:55:26,548 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-09-21 17:55:26,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-09-21 17:55:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2018-09-21 17:55:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-21 17:55:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-09-21 17:55:26,561 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 28 [2018-09-21 17:55:26,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:55:26,561 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-09-21 17:55:26,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:55:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-09-21 17:55:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-21 17:55:26,563 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:55:26,563 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] [2018-09-21 17:55:26,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:55:26,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1036290738, now seen corresponding path program 1 times [2018-09-21 17:55:26,564 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:55:26,564 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 17:55:26,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:55:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:55:30,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:30,075 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 17:55:30,083 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 17:55:30,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:30,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:30,110 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 17:55:30,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:55:30,168 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 17:55:30,177 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 17:55:30,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:30,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:30,193 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 17:55:30,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:55:30,484 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 17:55:30,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:30,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:30,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:55:30,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:55:30,550 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:55:30,550 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:55:30,553 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 9 states. [2018-09-21 17:55:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:55:46,393 INFO L93 Difference]: Finished difference Result 170 states and 182 transitions. [2018-09-21 17:55:46,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-21 17:55:46,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-21 17:55:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:55:46,397 INFO L225 Difference]: With dead ends: 170 [2018-09-21 17:55:46,397 INFO L226 Difference]: Without dead ends: 115 [2018-09-21 17:55:46,398 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-09-21 17:55:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-09-21 17:55:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2018-09-21 17:55:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-09-21 17:55:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2018-09-21 17:55:46,408 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 30 [2018-09-21 17:55:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:55:46,409 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2018-09-21 17:55:46,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:55:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2018-09-21 17:55:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-21 17:55:46,410 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:55:46,410 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] [2018-09-21 17:55:46,411 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:55:46,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1492527740, now seen corresponding path program 1 times [2018-09-21 17:55:46,411 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:55:46,411 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 17:55:46,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:55:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:55:50,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:50,950 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 17:55:50,957 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 17:55:50,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:50,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:50,982 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 17:55:50,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:55:51,044 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 17:55:51,059 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 17:55:51,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:51,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:51,078 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 17:55:51,078 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:55:51,355 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 17:55:51,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:51,420 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:51,421 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:55:51,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:55:51,421 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:55:51,422 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:55:51,422 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 9 states. [2018-09-21 17:55:52,596 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-21 17:56:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:06,296 INFO L93 Difference]: Finished difference Result 167 states and 174 transitions. [2018-09-21 17:56:06,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:56:06,298 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-21 17:56:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:06,300 INFO L225 Difference]: With dead ends: 167 [2018-09-21 17:56:06,300 INFO L226 Difference]: Without dead ends: 113 [2018-09-21 17:56:06,301 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:56:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-21 17:56:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-09-21 17:56:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-09-21 17:56:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 116 transitions. [2018-09-21 17:56:06,310 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 116 transitions. Word has length 31 [2018-09-21 17:56:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:06,311 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 116 transitions. [2018-09-21 17:56:06,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:56:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2018-09-21 17:56:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-21 17:56:06,313 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:06,313 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] [2018-09-21 17:56:06,313 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:06,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1270870585, now seen corresponding path program 1 times [2018-09-21 17:56:06,315 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:06,315 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:06,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:10,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:10,906 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 17:56:10,915 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 17:56:10,916 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:10,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:10,944 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 17:56:10,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:56:10,992 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 17:56:10,997 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 17:56:10,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:11,003 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:11,017 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 17:56:11,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:56:11,279 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 17:56:11,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:11,373 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:11,373 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:56:11,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:56:11,374 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:56:11,374 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:56:11,375 INFO L87 Difference]: Start difference. First operand 111 states and 116 transitions. Second operand 9 states. [2018-09-21 17:56:12,075 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:56:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:27,514 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2018-09-21 17:56:27,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:56:27,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-09-21 17:56:27,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:27,517 INFO L225 Difference]: With dead ends: 113 [2018-09-21 17:56:27,517 INFO L226 Difference]: Without dead ends: 57 [2018-09-21 17:56:27,517 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:56:27,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-21 17:56:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-21 17:56:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-21 17:56:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-09-21 17:56:27,522 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 34 [2018-09-21 17:56:27,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:27,522 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-09-21 17:56:27,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:56:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-09-21 17:56:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-21 17:56:27,524 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:27,524 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] [2018-09-21 17:56:27,524 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:27,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1464081048, now seen corresponding path program 1 times [2018-09-21 17:56:27,525 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:27,525 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:27,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:27,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:27,720 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 17:56:27,733 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 17:56:27,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:27,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,111 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 17:56:28,111 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 17:56:28,182 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 17:56:28,196 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 17:56:28,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,278 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 17:56:28,278 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 17:56:28,526 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 17:56:28,531 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 17:56:28,532 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,569 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 17:56:28,570 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-21 17:56:28,671 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 16 treesize of output 12 [2018-09-21 17:56:28,689 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 12 treesize of output 4 [2018-09-21 17:56:28,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:28,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:28,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:29 [2018-09-21 17:56:29,213 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 17:56:29,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:29,233 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:29,234 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-21 17:56:29,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-21 17:56:29,235 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-21 17:56:29,235 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-09-21 17:56:29,236 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 12 states. [2018-09-21 17:56:29,904 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:56:30,611 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:56:31,547 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-09-21 17:56:31,912 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-09-21 17:56:32,390 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-09-21 17:56:32,792 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-09-21 17:56:33,171 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-09-21 17:56:33,855 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-09-21 17:56:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:34,181 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-09-21 17:56:34,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-21 17:56:34,184 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-09-21 17:56:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:34,185 INFO L225 Difference]: With dead ends: 59 [2018-09-21 17:56:34,186 INFO L226 Difference]: Without dead ends: 57 [2018-09-21 17:56:34,187 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-09-21 17:56:34,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-21 17:56:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-21 17:56:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-21 17:56:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-09-21 17:56:34,194 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 38 [2018-09-21 17:56:34,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:34,194 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-09-21 17:56:34,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-21 17:56:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-21 17:56:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 17:56:34,197 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:34,198 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] [2018-09-21 17:56:34,198 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:34,199 INFO L82 PathProgramCache]: Analyzing trace with hash 972058797, now seen corresponding path program 1 times [2018-09-21 17:56:34,199 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:34,199 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:34,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:34,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:34,539 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 17:56:34,558 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 17:56:34,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:34,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:34,657 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 17:56:34,657 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:56:34,774 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 17:56:34,790 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 17:56:34,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:34,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:34,900 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 17:56:34,901 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:56:35,351 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 17:56:35,352 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:35,367 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:35,368 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:56:35,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:56:35,368 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:56:35,368 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:56:35,369 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 9 states. [2018-09-21 17:56:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:36,724 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-09-21 17:56:36,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 17:56:36,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-21 17:56:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:36,727 INFO L225 Difference]: With dead ends: 60 [2018-09-21 17:56:36,727 INFO L226 Difference]: Without dead ends: 57 [2018-09-21 17:56:36,727 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:56:36,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-21 17:56:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-21 17:56:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-21 17:56:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-09-21 17:56:36,735 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 40 [2018-09-21 17:56:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:36,736 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-09-21 17:56:36,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:56:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-09-21 17:56:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 17:56:36,742 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:36,742 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] [2018-09-21 17:56:36,743 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:36,743 INFO L82 PathProgramCache]: Analyzing trace with hash 162712171, now seen corresponding path program 1 times [2018-09-21 17:56:36,743 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:36,745 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:36,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:36,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:36,943 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 17:56:36,944 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:36,956 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:36,956 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 17:56:36,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 17:56:36,956 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 17:56:36,957 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-21 17:56:36,957 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 6 states. [2018-09-21 17:56:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:36,988 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2018-09-21 17:56:36,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-21 17:56:36,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-09-21 17:56:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:36,990 INFO L225 Difference]: With dead ends: 57 [2018-09-21 17:56:36,990 INFO L226 Difference]: Without dead ends: 57 [2018-09-21 17:56:36,991 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-21 17:56:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-21 17:56:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-21 17:56:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-21 17:56:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 56 transitions. [2018-09-21 17:56:36,995 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 56 transitions. Word has length 40 [2018-09-21 17:56:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:36,996 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 56 transitions. [2018-09-21 17:56:36,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 17:56:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 56 transitions. [2018-09-21 17:56:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-21 17:56:36,997 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:36,997 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] [2018-09-21 17:56:36,997 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:37,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1774282252, now seen corresponding path program 1 times [2018-09-21 17:56:37,001 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:37,001 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:37,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:37,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:37,270 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 17:56:37,277 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 17:56:37,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:37,285 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:37,305 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 17:56:37,305 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:56:37,366 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 17:56:37,371 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 17:56:37,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:37,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:37,387 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 17:56:37,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:56:37,794 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 17:56:37,794 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:37,806 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:37,806 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-21 17:56:37,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-21 17:56:37,807 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-21 17:56:37,807 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-09-21 17:56:37,807 INFO L87 Difference]: Start difference. First operand 57 states and 56 transitions. Second operand 13 states. [2018-09-21 17:56:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:39,108 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2018-09-21 17:56:39,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-21 17:56:39,110 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2018-09-21 17:56:39,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:39,111 INFO L225 Difference]: With dead ends: 55 [2018-09-21 17:56:39,112 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:56:39,113 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-09-21 17:56:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:56:39,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:56:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:56:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:56:39,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-09-21 17:56:39,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:39,114 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:56:39,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-21 17:56:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:56:39,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:56:39,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:56:39 BoogieIcfgContainer [2018-09-21 17:56:39,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:56:39,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:56:39,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:56:39,123 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:56:39,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:55:05" (3/4) ... [2018-09-21 17:56:39,127 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:56:39,133 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:56:39,133 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-09-21 17:56:39,133 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-09-21 17:56:39,133 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:56:39,141 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-09-21 17:56:39,141 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-09-21 17:56:39,142 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 17:56:39,245 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:56:39,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:56:39,251 INFO L168 Benchmark]: Toolchain (without parser) took 110627.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 949.2 MB in the beginning and 824.7 MB in the end (delta: 124.5 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:56:39,252 INFO L168 Benchmark]: CDTParser took 0.51 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 17:56:39,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.77 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:56:39,252 INFO L168 Benchmark]: Boogie Preprocessor took 116.59 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:56:39,253 INFO L168 Benchmark]: RCFGBuilder took 15950.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 927.7 MB in the beginning and 1.0 GB in the end (delta: -86.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:56:39,253 INFO L168 Benchmark]: TraceAbstraction took 93960.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.0 GB in the beginning and 833.2 MB in the end (delta: 180.8 MB). Peak memory consumption was 271.0 MB. Max. memory is 11.5 GB. [2018-09-21 17:56:39,256 INFO L168 Benchmark]: Witness Printer took 127.18 ms. Allocated memory is still 1.2 GB. Free memory was 833.2 MB in the beginning and 824.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:56:39,260 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 460.77 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.59 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15950.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 927.7 MB in the beginning and 1.0 GB in the end (delta: -86.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 93960.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.0 GB in the beginning and 833.2 MB in the end (delta: 180.8 MB). Peak memory consumption was 271.0 MB. Max. memory is 11.5 GB. * Witness Printer took 127.18 ms. Allocated memory is still 1.2 GB. Free memory was 833.2 MB in the beginning and 824.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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 5 procedures, 117 locations, 1 error locations. SAFE Result, 93.8s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 74.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 713 SDtfs, 572 SDslu, 3614 SDs, 0 SdLazy, 973 SolverSat, 38 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 59.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 9 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 12.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 307 ConstructedInterpolants, 121 QuantifiedInterpolants, 94461 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1049 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...