/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0270b_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_0270b_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 2ba43eb3953387ed7e9e073c4829343982ceaa96 --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_0270b_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 2ba43eb3953387ed7e9e073c4829343982ceaa96 --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 17:43:18,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:43:18,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:43:18,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:43:18,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:43:18,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:43:18,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:43:18,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:43:18,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:43:18,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:43:18,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:43:18,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:43:18,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:43:18,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:43:18,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:43:18,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:43:18,079 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:43:18,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:43:18,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:43:18,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:43:18,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:43:18,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:43:18,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:43:18,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:43:18,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:43:18,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:43:18,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:43:18,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:43:18,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:43:18,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:43:18,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:43:18,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:43:18,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:43:18,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:43:18,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:43:18,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:43:18,102 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:43:18,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:43:18,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:43:18,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:43:18,123 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:43:18,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:43:18,125 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:43:18,125 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:43:18,125 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:43:18,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:43:18,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:43:18,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:43:18,126 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:43:18,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:43:18,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:43:18,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:43:18,128 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:43:18,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:43:18,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:43:18,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:43:18,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:43:18,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:43:18,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:43:18,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:43:18,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:43:18,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:43:18,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:43:18,133 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:43:18,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:43:18,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:43:18,133 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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 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 17:43:18,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:43:18,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:43:18,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:43:18,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:43:18,214 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:43:18,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:18,626 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49587612e/dcb928a733614ebf9db2ca8b88e769a3/FLAG67b7fb783 [2018-09-21 17:43:18,782 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:43:18,783 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:18,792 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49587612e/dcb928a733614ebf9db2ca8b88e769a3/FLAG67b7fb783 [2018-09-21 17:43:18,809 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49587612e/dcb928a733614ebf9db2ca8b88e769a3 [2018-09-21 17:43:18,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:43:18,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:43:18,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:18,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:43:18,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:43:18,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:18" (1/1) ... [2018-09-21 17:43:18,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b21c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:18, skipping insertion in model container [2018-09-21 17:43:18,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:18" (1/1) ... [2018-09-21 17:43:18,842 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:43:19,117 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:19,141 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:43:19,192 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:19,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19 WrapperNode [2018-09-21 17:43:19,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:19,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:43:19,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:43:19,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:43:19,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:43:19,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:43:19,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:43:19,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:43:19,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (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 17:43:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:43:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:43:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:43:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:43:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-09-21 17:43:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:43:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:43:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:43:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:43:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:43:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:43:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:43:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:43:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:43:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:43:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-09-21 17:43:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:43:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:43:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:43:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:43:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:43:20,729 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:43:20,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20 BoogieIcfgContainer [2018-09-21 17:43:20,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:43:20,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:43:20,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:43:20,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:43:20,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:43:18" (1/3) ... [2018-09-21 17:43:20,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e18188a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:20, skipping insertion in model container [2018-09-21 17:43:20,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (2/3) ... [2018-09-21 17:43:20,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e18188a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:20, skipping insertion in model container [2018-09-21 17:43:20,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20" (3/3) ... [2018-09-21 17:43:20,740 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:20,750 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:43:20,760 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:43:20,804 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:43:20,805 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:43:20,805 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:43:20,805 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:43:20,805 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:43:20,805 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:43:20,807 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:43:20,807 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:43:20,807 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:43:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-09-21 17:43:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-21 17:43:20,857 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:20,858 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:43:20,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:20,866 INFO L82 PathProgramCache]: Analyzing trace with hash 747062641, now seen corresponding path program 1 times [2018-09-21 17:43:20,868 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:43:20,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:43:20,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:20,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:21,044 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 17:43:21,047 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:21,048 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:43:21,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:43:21,069 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:43:21,072 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:43:21,076 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-09-21 17:43:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:43:21,104 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-09-21 17:43:21,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:43:21,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-21 17:43:21,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:43:21,120 INFO L225 Difference]: With dead ends: 157 [2018-09-21 17:43:21,120 INFO L226 Difference]: Without dead ends: 153 [2018-09-21 17:43:21,122 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 17:43:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-09-21 17:43:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-09-21 17:43:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-09-21 17:43:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 179 transitions. [2018-09-21 17:43:21,178 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 179 transitions. Word has length 18 [2018-09-21 17:43:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:43:21,178 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 179 transitions. [2018-09-21 17:43:21,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:43:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2018-09-21 17:43:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-21 17:43:21,180 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:21,180 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:43:21,180 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:21,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1124751993, now seen corresponding path program 1 times [2018-09-21 17:43:21,181 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:43:21,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:43:21,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:21,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:21,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:43:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:43:21,333 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:43:21,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:43:21 BoogieIcfgContainer [2018-09-21 17:43:21,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:43:21,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:43:21,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:43:21,415 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:43:21,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20" (3/4) ... [2018-09-21 17:43:21,423 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:43:21,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:43:21,425 INFO L168 Benchmark]: Toolchain (without parser) took 2610.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,427 INFO L168 Benchmark]: CDTParser took 4.26 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 17:43:21,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.28 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,429 INFO L168 Benchmark]: Boogie Preprocessor took 96.58 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,430 INFO L168 Benchmark]: RCFGBuilder took 1390.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,432 INFO L168 Benchmark]: TraceAbstraction took 682.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,433 INFO L168 Benchmark]: Witness Printer took 8.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:43:21,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.26 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 423.28 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.58 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1390.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 682.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Witness Printer took 8.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 235, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [\old(huge_asin)=6442450965, \old(one_asin)=6442450952, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450951, \old(pio2_lo_asin)=6442450960, \old(pio4_hi_asin)=6442450953, \old(pS0_asin)=6442450958, \old(pS1_asin)=6442450954, \old(pS2_asin)=6442450948, \old(pS3_asin)=6442450957, \old(pS4_asin)=6442450963, \old(pS5_asin)=6442450955, \old(qS1_asin)=6442450967, \old(qS2_asin)=6442450964, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450961, \old(tiny_sqrt)=6442450962, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double x = -0.0; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] CALL, EXPR __ieee754_asin(x) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L162] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=6442450949, gh_u={6442450947:0}, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L163] FCALL gh_u.value = (x) VAL [\old(x)=6442450949, gh_u={6442450947:0}, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L164] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=6442450949, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L164] (hx) = gh_u.parts.msw VAL [\old(x)=6442450949, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L164] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=6442450959, \old(x)=6442450949, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L165] COND FALSE !(0) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L166] ix = hx & 0x7fffffff VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L178] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] RET return x + x * w; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L236] EXPR __ieee754_asin(x) VAL [__ieee754_asin(x)=6442450966, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=6442450966, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=6442450966, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 157 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 183 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=157occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 17:43:23,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:43:23,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:43:23,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:43:23,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:43:23,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:43:23,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:43:23,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:43:23,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:43:23,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:43:23,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:43:23,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:43:23,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:43:23,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:43:23,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:43:23,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:43:23,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:43:23,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:43:23,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:43:23,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:43:23,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:43:23,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:43:23,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:43:23,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:43:23,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:43:23,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:43:23,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:43:23,922 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:43:23,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:43:23,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:43:23,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:43:23,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:43:23,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:43:23,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:43:23,932 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:43:23,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:43:23,933 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:43:23,964 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:43:23,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:43:23,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:43:23,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:43:23,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:43:23,969 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:43:23,969 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:43:23,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:43:23,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:43:23,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:43:23,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:43:23,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:43:23,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:43:23,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:43:23,972 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:43:23,972 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:43:23,972 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:43:23,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:43:23,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:43:23,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:43:23,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:43:23,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:43:23,973 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:43:23,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:43:23,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:43:23,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:43:23,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:43:23,977 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:43:23,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:43:23,977 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:43:23,977 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:43:23,978 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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 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 17:43:24,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:43:24,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:43:24,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:43:24,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:43:24,069 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:43:24,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:24,448 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4637cd8/2df6ad83a3d04cb48ce89f025e23e977/FLAGcf849d5c8 [2018-09-21 17:43:24,657 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:43:24,658 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:24,668 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4637cd8/2df6ad83a3d04cb48ce89f025e23e977/FLAGcf849d5c8 [2018-09-21 17:43:24,686 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4637cd8/2df6ad83a3d04cb48ce89f025e23e977 [2018-09-21 17:43:24,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:43:24,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:43:24,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:24,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:43:24,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:43:24,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:24" (1/1) ... [2018-09-21 17:43:24,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb51be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:24, skipping insertion in model container [2018-09-21 17:43:24,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:24" (1/1) ... [2018-09-21 17:43:24,726 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:43:25,076 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:25,095 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:43:25,155 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:25,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25 WrapperNode [2018-09-21 17:43:25,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:25,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:43:25,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:43:25,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:43:25,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:43:25,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:43:25,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:43:25,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:43:25,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (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 17:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-09-21 17:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:43:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:43:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:43:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:43:25,941 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:25,966 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:25,992 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,973 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,989 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:30,049 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:30,146 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:30,159 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:30,181 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:30,190 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:42,805 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:45,849 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:43:45,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45 BoogieIcfgContainer [2018-09-21 17:43:45,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:43:45,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:43:45,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:43:45,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:43:45,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:43:24" (1/3) ... [2018-09-21 17:43:45,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e23a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:45, skipping insertion in model container [2018-09-21 17:43:45,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (2/3) ... [2018-09-21 17:43:45,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e23a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:45, skipping insertion in model container [2018-09-21 17:43:45,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45" (3/3) ... [2018-09-21 17:43:45,865 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b_true-unreach-call.c [2018-09-21 17:43:45,876 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:43:45,888 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:43:45,948 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:43:45,949 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:43:45,949 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:43:45,949 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:43:45,949 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:43:45,949 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:43:45,950 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:43:45,950 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:43:45,950 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:43:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-09-21 17:43:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-21 17:43:46,004 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:46,006 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:43:46,011 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:46,017 INFO L82 PathProgramCache]: Analyzing trace with hash 747062641, now seen corresponding path program 1 times [2018-09-21 17:43:46,026 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:43:46,027 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 17:43:46,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:50,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:43:50,649 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 17:43:50,649 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:43:50,724 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:50,724 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:43:50,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:43:50,742 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:43:50,743 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:43:50,746 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-09-21 17:43:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:43:50,775 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-09-21 17:43:50,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:43:50,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-21 17:43:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:43:50,793 INFO L225 Difference]: With dead ends: 157 [2018-09-21 17:43:50,793 INFO L226 Difference]: Without dead ends: 153 [2018-09-21 17:43:50,795 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 17:43:50,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-09-21 17:43:50,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-09-21 17:43:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-09-21 17:43:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 179 transitions. [2018-09-21 17:43:50,851 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 179 transitions. Word has length 18 [2018-09-21 17:43:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:43:50,852 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 179 transitions. [2018-09-21 17:43:50,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:43:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2018-09-21 17:43:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-21 17:43:50,854 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:50,854 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:43:50,854 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:50,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1124751993, now seen corresponding path program 1 times [2018-09-21 17:43:50,855 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:43:50,856 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 17:43:50,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:55,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:43:55,880 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 17:43:55,897 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 17:43:55,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:43:55,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:43:56,002 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 17:43:56,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:43:56,131 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 17:43:56,153 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 17:43:56,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:43:56,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:43:56,181 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 17:43:56,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:43:56,667 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 17:43:56,667 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:43:56,780 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:56,780 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:43:56,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:43:56,782 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:43:56,786 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:43:56,787 INFO L87 Difference]: Start difference. First operand 153 states and 179 transitions. Second operand 9 states. [2018-09-21 17:44:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:14,839 INFO L93 Difference]: Finished difference Result 179 states and 208 transitions. [2018-09-21 17:44:14,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:44:14,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-09-21 17:44:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:14,846 INFO L225 Difference]: With dead ends: 179 [2018-09-21 17:44:14,846 INFO L226 Difference]: Without dead ends: 161 [2018-09-21 17:44:14,847 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:44:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-09-21 17:44:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2018-09-21 17:44:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-09-21 17:44:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2018-09-21 17:44:14,868 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 27 [2018-09-21 17:44:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:14,869 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2018-09-21 17:44:14,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2018-09-21 17:44:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-21 17:44:14,871 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:14,871 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:44:14,871 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:14,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1806178473, now seen corresponding path program 1 times [2018-09-21 17:44:14,872 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:14,872 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 17:44:14,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:44:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:15,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:15,181 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 17:44:15,182 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:15,205 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:15,205 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-21 17:44:15,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-21 17:44:15,206 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-21 17:44:15,206 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-21 17:44:15,206 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 7 states. [2018-09-21 17:44:18,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:18,856 INFO L93 Difference]: Finished difference Result 164 states and 189 transitions. [2018-09-21 17:44:18,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-21 17:44:18,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-09-21 17:44:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:18,862 INFO L225 Difference]: With dead ends: 164 [2018-09-21 17:44:18,862 INFO L226 Difference]: Without dead ends: 160 [2018-09-21 17:44:18,863 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-21 17:44:18,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-09-21 17:44:18,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2018-09-21 17:44:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-09-21 17:44:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 183 transitions. [2018-09-21 17:44:18,876 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 183 transitions. Word has length 28 [2018-09-21 17:44:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:18,877 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 183 transitions. [2018-09-21 17:44:18,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-21 17:44:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 183 transitions. [2018-09-21 17:44:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-21 17:44:18,879 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:18,880 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] [2018-09-21 17:44:18,880 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:18,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1655056115, now seen corresponding path program 1 times [2018-09-21 17:44:18,881 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:18,882 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 17:44:18,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:44:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:19,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:19,772 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 17:44:19,780 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 17:44:19,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:19,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:19,806 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 17:44:19,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:44:19,855 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 17:44:19,868 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 17:44:19,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:19,894 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:19,909 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 17:44:19,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:44:20,138 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 17:44:20,139 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:20,163 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:20,164 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:44:20,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:44:20,164 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:44:20,164 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:44:20,165 INFO L87 Difference]: Start difference. First operand 158 states and 183 transitions. Second operand 9 states. [2018-09-21 17:44:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:27,893 INFO L93 Difference]: Finished difference Result 163 states and 188 transitions. [2018-09-21 17:44:27,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:44:27,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-09-21 17:44:27,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:27,897 INFO L225 Difference]: With dead ends: 163 [2018-09-21 17:44:27,897 INFO L226 Difference]: Without dead ends: 150 [2018-09-21 17:44:27,898 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:44:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-09-21 17:44:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2018-09-21 17:44:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-21 17:44:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2018-09-21 17:44:27,925 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 36 [2018-09-21 17:44:27,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:27,926 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2018-09-21 17:44:27,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2018-09-21 17:44:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-21 17:44:27,929 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:27,930 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:44:27,930 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:27,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1449136466, now seen corresponding path program 1 times [2018-09-21 17:44:27,931 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:27,931 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) [2018-09-21 17:44:27,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 17:44:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:33,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:33,067 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 17:44:33,073 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 17:44:33,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:33,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:33,098 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 17:44:33,099 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:44:33,154 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 17:44:33,160 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 17:44:33,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:33,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:33,177 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 17:44:33,178 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:44:33,406 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 17:44:33,407 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:33,499 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:33,500 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:44:33,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:44:33,501 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:44:33,505 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:44:33,505 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 9 states. [2018-09-21 17:44:33,998 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:44:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:40,021 INFO L93 Difference]: Finished difference Result 153 states and 178 transitions. [2018-09-21 17:44:40,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:44:40,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-09-21 17:44:40,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:40,026 INFO L225 Difference]: With dead ends: 153 [2018-09-21 17:44:40,027 INFO L226 Difference]: Without dead ends: 145 [2018-09-21 17:44:40,027 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:44:40,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-21 17:44:40,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-21 17:44:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-21 17:44:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 163 transitions. [2018-09-21 17:44:40,038 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 163 transitions. Word has length 76 [2018-09-21 17:44:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:40,038 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 163 transitions. [2018-09-21 17:44:40,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 163 transitions. [2018-09-21 17:44:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-21 17:44:40,041 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:40,042 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:44:40,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:40,042 INFO L82 PathProgramCache]: Analyzing trace with hash -368836811, now seen corresponding path program 1 times [2018-09-21 17:44:40,044 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:40,044 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) [2018-09-21 17:44:40,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 17:44:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:45,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:48,794 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 14 [2018-09-21 17:44:50,023 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 17:44:50,023 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:50,129 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:50,129 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 17:44:50,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 17:44:50,130 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 17:44:50,130 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-21 17:44:50,133 INFO L87 Difference]: Start difference. First operand 142 states and 163 transitions. Second operand 6 states. [2018-09-21 17:44:55,145 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 16 [2018-09-21 17:45:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:45:00,496 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2018-09-21 17:45:00,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-21 17:45:00,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-09-21 17:45:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:45:00,515 INFO L225 Difference]: With dead ends: 138 [2018-09-21 17:45:00,515 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:45:00,516 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-21 17:45:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:45:00,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:45:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:45:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:45:00,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2018-09-21 17:45:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:45:00,519 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:45:00,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 17:45:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:45:00,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:45:00,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:45:00 BoogieIcfgContainer [2018-09-21 17:45:00,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:45:00,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:45:00,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:45:00,528 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:45:00,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45" (3/4) ... [2018-09-21 17:45:00,535 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:45:00,543 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-21 17:45:00,543 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-09-21 17:45:00,544 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asin [2018-09-21 17:45:00,544 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:45:00,544 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:45:00,555 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-09-21 17:45:00,556 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-21 17:45:00,557 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-09-21 17:45:00,708 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:45:00,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:45:00,713 INFO L168 Benchmark]: Toolchain (without parser) took 96020.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:00,714 INFO L168 Benchmark]: CDTParser took 0.19 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 17:45:00,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:00,716 INFO L168 Benchmark]: Boogie Preprocessor took 91.28 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:45:00,716 INFO L168 Benchmark]: RCFGBuilder took 20526.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:00,716 INFO L168 Benchmark]: TraceAbstraction took 74676.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:00,717 INFO L168 Benchmark]: Witness Printer took 184.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:00,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 532.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.28 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 20526.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74676.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Witness Printer took 184.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 157 locations, 1 error locations. SAFE Result, 74.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 46.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 981 SDtfs, 588 SDslu, 3912 SDs, 0 SdLazy, 488 SolverSat, 45 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 36.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=2, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 18.2s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 257 ConstructedInterpolants, 53 QuantifiedInterpolants, 119989 SizeOfPredicates, 31 NumberOfNonLiveVariables, 849 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...