/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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_1092b_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 0d806ca1b262345211037ccd3e4a22cabffa047b .................................................................................................................................................................................................................................................................................................... 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_1092b_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 0d806ca1b262345211037ccd3e4a22cabffa047b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:03:27,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:03:27,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:03:27,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:03:27,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:03:27,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:03:27,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:03:27,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:03:27,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:03:27,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:03:27,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:03:27,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:03:27,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:03:27,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:03:27,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:03:27,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:03:27,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:03:27,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:03:27,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:03:27,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:03:27,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:03:27,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:03:27,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:03:27,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:03:27,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:03:27,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:03:27,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:03:27,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:03:27,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:03:27,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:03:27,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:03:27,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:03:27,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:03:27,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:03:27,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:03:27,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:03:27,158 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:03:27,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:03:27,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:03:27,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:03:27,189 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:03:27,190 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:03:27,190 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:03:27,190 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:03:27,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:03:27,191 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:03:27,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:03:27,191 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:03:27,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:03:27,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:03:27,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:03:27,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:03:27,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:03:27,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:03:27,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:03:27,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:03:27,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:03:27,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:03:27,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:03:27,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:03:27,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:03:27,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:03:27,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:03:27,199 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:03:27,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:03:27,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:03:27,200 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-09-20 15:03:27,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:03:27,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:03:27,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:03:27,280 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:03:27,281 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:03:27,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:27,623 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc09a3ea9/8020c5a63ae645188dc4e20063a7a658/FLAGe2b7cf554 [2018-09-20 15:03:27,850 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:03:27,851 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:27,862 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc09a3ea9/8020c5a63ae645188dc4e20063a7a658/FLAGe2b7cf554 [2018-09-20 15:03:27,886 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc09a3ea9/8020c5a63ae645188dc4e20063a7a658 [2018-09-20 15:03:27,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:03:27,898 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:03:27,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:03:27,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:03:27,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:03:27,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:03:27" (1/1) ... [2018-09-20 15:03:27,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a506fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:27, skipping insertion in model container [2018-09-20 15:03:27,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:03:27" (1/1) ... [2018-09-20 15:03:27,925 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:03:28,148 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:03:28,166 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:03:28,187 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:03:28,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28 WrapperNode [2018-09-20 15:03:28,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:03:28,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:03:28,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:03:28,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:03:28,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... [2018-09-20 15:03:28,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:03:28,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:03:28,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:03:28,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:03:28,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:03:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:03:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:03:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:03:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-09-20 15:03:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:03:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:03:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:03:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-09-20 15:03:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:03:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:03:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:03:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:03:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:03:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:03:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:03:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:03:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:03:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:03:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:03:29,216 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:03:29,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:29 BoogieIcfgContainer [2018-09-20 15:03:29,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:03:29,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:03:29,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:03:29,222 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:03:29,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:03:27" (1/3) ... [2018-09-20 15:03:29,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727c2445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:03:29, skipping insertion in model container [2018-09-20 15:03:29,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:28" (2/3) ... [2018-09-20 15:03:29,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727c2445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:03:29, skipping insertion in model container [2018-09-20 15:03:29,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:29" (3/3) ... [2018-09-20 15:03:29,226 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:29,237 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:03:29,246 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:03:29,299 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:03:29,300 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:03:29,300 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:03:29,301 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:03:29,301 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:03:29,301 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:03:29,301 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:03:29,301 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:03:29,302 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:03:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-09-20 15:03:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:03:29,337 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:29,338 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:29,344 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:29,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1001944266, now seen corresponding path program 1 times [2018-09-20 15:03:29,353 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:03:29,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:03:29,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:03:29,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:29,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:03:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:29,493 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:29,494 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:03:29,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:03:29,512 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:03:29,513 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:03:29,516 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-09-20 15:03:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:29,542 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-09-20 15:03:29,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:03:29,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:03:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:29,557 INFO L225 Difference]: With dead ends: 120 [2018-09-20 15:03:29,557 INFO L226 Difference]: Without dead ends: 60 [2018-09-20 15:03:29,561 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 [2018-09-20 15:03:29,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-09-20 15:03:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-09-20 15:03:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-09-20 15:03:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2018-09-20 15:03:29,610 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 18 [2018-09-20 15:03:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:29,610 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2018-09-20 15:03:29,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:03:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2018-09-20 15:03:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:03:29,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:29,612 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:29,613 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash -262001498, now seen corresponding path program 1 times [2018-09-20 15:03:29,613 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:03:29,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:03:29,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:03:29,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:29,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:03:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:03:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:03:29,760 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:03:29,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:03:29 BoogieIcfgContainer [2018-09-20 15:03:29,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:03:29,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:03:29,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:03:29,797 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:03:29,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:29" (3/4) ... [2018-09-20 15:03:29,801 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:03:29,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:03:29,802 INFO L168 Benchmark]: Toolchain (without parser) took 1909.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:29,804 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. [2018-09-20 15:03:29,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:29,805 INFO L168 Benchmark]: Boogie Preprocessor took 83.59 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:29,806 INFO L168 Benchmark]: RCFGBuilder took 903.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:29,807 INFO L168 Benchmark]: TraceAbstraction took 577.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:29,808 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:03:29,813 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 330.39 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.59 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 903.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of shiftRight at line 57, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=11, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] CALL, EXPR ceil_double(x) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L23] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=0, ew_u={13:0}, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L24] FCALL ew_u.value = (x) VAL [\old(x)=0, ew_u={13:0}, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L25] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=0, ew_u={13:0}, ew_u.parts.msw=5, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L25] (i0) = ew_u.parts.msw VAL [\old(x)=0, ew_u={13:0}, ew_u.parts.msw=5, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, x=0] [L25] FCALL (i0) = ew_u.parts.msw VAL [(i0) = ew_u.parts.msw=12, \old(x)=0, ew_u={13:0}, ew_u.parts.msw=5, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, x=0] [L26] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=0, ew_u={13:0}, ew_u.parts.lsw=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, x=0] [L26] (i1) = ew_u.parts.lsw VAL [\old(x)=0, ew_u={13:0}, ew_u.parts.lsw=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, x=0] [L26] FCALL (i1) = ew_u.parts.lsw VAL [(i1) = ew_u.parts.lsw=10, \old(x)=0, ew_u={13:0}, ew_u.parts.lsw=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, x=0] [L27] COND FALSE !(0) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, x=0] [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, x=0] [L29] COND FALSE !(j0 < 20) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, j0=20, x=0] [L51] COND FALSE !(j0 > 51) [L57] i = ((__uint32_t)(0xffffffff)) >> (j0 - 20) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, j0=20, x=0] [L58] COND TRUE (i1 & i) == 0 [L59] RET return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=5, i1=2, j0=20, x=0] [L92] EXPR ceil_double(x) VAL [ceil_double(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 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=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 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 0.1.23-40ef509 [2018-09-20 15:03:32,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:03:32,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:03:32,205 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:03:32,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:03:32,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:03:32,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:03:32,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:03:32,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:03:32,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:03:32,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:03:32,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:03:32,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:03:32,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:03:32,241 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:03:32,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:03:32,242 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:03:32,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:03:32,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:03:32,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:03:32,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:03:32,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:03:32,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:03:32,266 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:03:32,266 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:03:32,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:03:32,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:03:32,269 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:03:32,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:03:32,272 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:03:32,272 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:03:32,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:03:32,274 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:03:32,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:03:32,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:03:32,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:03:32,278 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:03:32,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:03:32,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:03:32,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:03:32,303 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:03:32,305 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:03:32,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:03:32,305 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:03:32,306 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:03:32,306 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:03:32,306 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:03:32,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:03:32,306 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:03:32,307 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:03:32,308 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:03:32,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:03:32,309 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:03:32,309 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:03:32,309 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:03:32,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:03:32,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:03:32,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:03:32,311 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:03:32,311 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:03:32,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:03:32,312 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:03:32,312 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:03:32,312 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-09-20 15:03:32,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:03:32,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:03:32,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:03:32,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:03:32,403 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:03:32,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:32,760 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcde6a685/ebf1e4da71674f518d20a71a3b97b22f/FLAGabc9f6af6 [2018-09-20 15:03:32,947 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:03:32,948 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:32,956 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcde6a685/ebf1e4da71674f518d20a71a3b97b22f/FLAGabc9f6af6 [2018-09-20 15:03:32,974 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcde6a685/ebf1e4da71674f518d20a71a3b97b22f [2018-09-20 15:03:32,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:03:32,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:03:32,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:03:32,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:03:32,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:03:32,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:03:32" (1/1) ... [2018-09-20 15:03:32,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35eb723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:32, skipping insertion in model container [2018-09-20 15:03:32,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:03:32" (1/1) ... [2018-09-20 15:03:33,008 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:03:33,259 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:03:33,279 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:03:33,313 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:03:33,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33 WrapperNode [2018-09-20 15:03:33,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:03:33,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:03:33,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:03:33,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:03:33,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (1/1) ... [2018-09-20 15:03:33,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:03:33,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:03:33,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:03:33,412 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:03:33,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (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 [2018-09-20 15:03:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:03:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:03:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:03:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-09-20 15:03:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:03:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:03:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:03:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-09-20 15:03:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:03:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:03:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:03:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:03:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:03:33,910 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:03:33,962 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:03:33,998 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:03:35,496 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:03:35,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:35 BoogieIcfgContainer [2018-09-20 15:03:35,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:03:35,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:03:35,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:03:35,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:03:35,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:03:32" (1/3) ... [2018-09-20 15:03:35,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7423270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:03:35, skipping insertion in model container [2018-09-20 15:03:35,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:03:33" (2/3) ... [2018-09-20 15:03:35,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7423270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:03:35, skipping insertion in model container [2018-09-20 15:03:35,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:35" (3/3) ... [2018-09-20 15:03:35,507 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-09-20 15:03:35,518 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:03:35,526 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:03:35,572 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:03:35,573 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:03:35,574 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:03:35,574 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:03:35,574 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:03:35,574 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:03:35,578 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:03:35,578 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:03:35,578 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:03:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-09-20 15:03:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:03:35,618 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:35,620 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:35,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:35,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1001944266, now seen corresponding path program 1 times [2018-09-20 15:03:35,634 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:35,634 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 [2018-09-20 15:03:35,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:35,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:03:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:35,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:03:35,748 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:35,748 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:03:35,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:03:35,767 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:03:35,768 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:03:35,771 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-09-20 15:03:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:35,795 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-09-20 15:03:35,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:03:35,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:03:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:35,810 INFO L225 Difference]: With dead ends: 120 [2018-09-20 15:03:35,810 INFO L226 Difference]: Without dead ends: 60 [2018-09-20 15:03:35,814 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 [2018-09-20 15:03:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-09-20 15:03:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-09-20 15:03:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-09-20 15:03:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2018-09-20 15:03:35,857 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 18 [2018-09-20 15:03:35,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:35,858 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2018-09-20 15:03:35,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:03:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2018-09-20 15:03:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:03:35,860 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:35,860 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:35,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:35,861 INFO L82 PathProgramCache]: Analyzing trace with hash -262001498, now seen corresponding path program 1 times [2018-09-20 15:03:35,861 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:35,861 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 [2018-09-20 15:03:35,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:35,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:03:36,170 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 [2018-09-20 15:03:36,178 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 [2018-09-20 15:03:36,179 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:36,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:36,244 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. [2018-09-20 15:03:36,244 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:03:36,321 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 [2018-09-20 15:03:36,335 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 [2018-09-20 15:03:36,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:36,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:36,410 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. [2018-09-20 15:03:36,410 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:03:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:36,889 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:03:36,904 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:36,905 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:03:36,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:03:36,908 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:03:36,908 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:03:36,908 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 9 states. [2018-09-20 15:03:37,803 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 15:03:45,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:45,356 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2018-09-20 15:03:45,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 15:03:45,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-20 15:03:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:45,361 INFO L225 Difference]: With dead ends: 116 [2018-09-20 15:03:45,361 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 15:03:45,363 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:03:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 15:03:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 51. [2018-09-20 15:03:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-20 15:03:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2018-09-20 15:03:45,373 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 31 [2018-09-20 15:03:45,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:45,374 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2018-09-20 15:03:45,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:03:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2018-09-20 15:03:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:03:45,376 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:45,376 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:45,376 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:45,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1963531185, now seen corresponding path program 1 times [2018-09-20 15:03:45,377 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:45,377 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) [2018-09-20 15:03:45,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:03:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:45,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:03:45,491 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 [2018-09-20 15:03:45,500 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 [2018-09-20 15:03:45,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:45,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:45,523 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. [2018-09-20 15:03:45,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:03:45,561 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 [2018-09-20 15:03:45,567 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 [2018-09-20 15:03:45,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:45,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:45,587 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. [2018-09-20 15:03:45,587 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:03:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:45,817 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:03:45,830 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:45,830 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:03:45,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:03:45,831 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:03:45,831 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:03:45,833 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 9 states. [2018-09-20 15:03:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:51,078 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2018-09-20 15:03:51,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 15:03:51,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-20 15:03:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:51,081 INFO L225 Difference]: With dead ends: 103 [2018-09-20 15:03:51,081 INFO L226 Difference]: Without dead ends: 62 [2018-09-20 15:03:51,082 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:03:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-20 15:03:51,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 47. [2018-09-20 15:03:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-20 15:03:51,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-09-20 15:03:51,088 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 31 [2018-09-20 15:03:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:51,089 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-09-20 15:03:51,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:03:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-09-20 15:03:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-20 15:03:51,091 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:51,092 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] [2018-09-20 15:03:51,092 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:51,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1759812404, now seen corresponding path program 1 times [2018-09-20 15:03:51,093 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:51,093 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 [2018-09-20 15:03:51,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:51,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:03:54,254 WARN L178 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:03:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:54,267 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:03:54,281 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:54,282 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:03:54,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:03:54,284 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:03:54,284 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:03:54,284 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 6 states. [2018-09-20 15:03:58,871 WARN L178 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-20 15:03:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:59,920 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2018-09-20 15:03:59,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:03:59,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-09-20 15:03:59,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:59,934 INFO L225 Difference]: With dead ends: 66 [2018-09-20 15:03:59,934 INFO L226 Difference]: Without dead ends: 47 [2018-09-20 15:03:59,935 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:03:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-20 15:03:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-09-20 15:03:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-20 15:03:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-09-20 15:03:59,940 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2018-09-20 15:03:59,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:59,941 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-09-20 15:03:59,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:03:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-20 15:03:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-20 15:03:59,943 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:59,944 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] [2018-09-20 15:03:59,944 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:59,944 INFO L82 PathProgramCache]: Analyzing trace with hash 623561467, now seen corresponding path program 1 times [2018-09-20 15:03:59,945 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:59,946 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:03:59,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:04:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:04:00,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:04:00,144 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 [2018-09-20 15:04:00,151 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 [2018-09-20 15:04:00,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:00,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:00,179 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. [2018-09-20 15:04:00,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:04:00,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 15:04:00,225 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 [2018-09-20 15:04:00,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:00,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:00,238 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. [2018-09-20 15:04:00,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:04:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:04:00,461 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:04:00,480 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:04:00,481 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:04:00,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:04:00,482 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:04:00,482 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:04:00,484 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 8 states. [2018-09-20 15:04:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:04:02,162 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-09-20 15:04:02,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:04:02,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-09-20 15:04:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:04:02,165 INFO L225 Difference]: With dead ends: 81 [2018-09-20 15:04:02,165 INFO L226 Difference]: Without dead ends: 62 [2018-09-20 15:04:02,166 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:04:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-20 15:04:02,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 47. [2018-09-20 15:04:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-20 15:04:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-09-20 15:04:02,173 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-09-20 15:04:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:04:02,173 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-09-20 15:04:02,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:04:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-09-20 15:04:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 15:04:02,176 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:04:02,176 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] [2018-09-20 15:04:02,176 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:04:02,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2005267350, now seen corresponding path program 1 times [2018-09-20 15:04:02,178 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:04:02,178 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:04:02,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:04:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:04:02,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:04:02,444 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:02,445 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:02,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-09-20 15:04:02,458 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:04:02,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 15:04:02,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:02,536 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:02,561 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. [2018-09-20 15:04:02,561 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 15:04:02,803 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:02,809 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:02,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2018-09-20 15:04:02,820 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:04:02,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-20 15:04:02,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:02,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:02,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 15:04:02,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-20 15:04:03,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-09-20 15:04:03,044 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:04:03,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-20 15:04:03,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:03,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:03,177 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. [2018-09-20 15:04:03,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-20 15:04:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:04:03,426 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:04:03,444 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:04:03,444 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 15:04:03,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 15:04:03,445 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 15:04:03,445 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-09-20 15:04:03,445 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 10 states. [2018-09-20 15:04:04,278 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 15:04:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:04:06,026 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2018-09-20 15:04:06,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:04:06,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2018-09-20 15:04:06,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:04:06,028 INFO L225 Difference]: With dead ends: 66 [2018-09-20 15:04:06,028 INFO L226 Difference]: Without dead ends: 47 [2018-09-20 15:04:06,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2018-09-20 15:04:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-20 15:04:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-09-20 15:04:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-20 15:04:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 46 transitions. [2018-09-20 15:04:06,034 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 46 transitions. Word has length 46 [2018-09-20 15:04:06,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:04:06,035 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 46 transitions. [2018-09-20 15:04:06,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 15:04:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2018-09-20 15:04:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 15:04:06,036 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:04:06,036 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] [2018-09-20 15:04:06,036 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:04:06,036 INFO L82 PathProgramCache]: Analyzing trace with hash 600756204, now seen corresponding path program 1 times [2018-09-20 15:04:06,036 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:04:06,037 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:04:06,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:04:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:04:06,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:04:06,259 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 [2018-09-20 15:04:06,266 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 [2018-09-20 15:04:06,266 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,288 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. [2018-09-20 15:04:06,288 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:04:06,326 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 [2018-09-20 15:04:06,334 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 [2018-09-20 15:04:06,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,338 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,348 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. [2018-09-20 15:04:06,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:04:06,550 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 [2018-09-20 15:04:06,555 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 [2018-09-20 15:04:06,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,585 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. [2018-09-20 15:04:06,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-20 15:04:06,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-09-20 15:04:06,674 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:04:06,675 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:06,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 33 [2018-09-20 15:04:06,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:04:06,733 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:30 [2018-09-20 15:04:06,826 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 66 treesize of output 50 [2018-09-20 15:04:06,846 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:04:06,847 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:04:06,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 35 [2018-09-20 15:04:06,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:04:06,937 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. [2018-09-20 15:04:06,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:75, output treesize:38 [2018-09-20 15:04:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:04:07,620 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:04:07,632 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:04:07,632 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-20 15:04:07,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-20 15:04:07,633 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-20 15:04:07,634 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:04:07,634 INFO L87 Difference]: Start difference. First operand 47 states and 46 transitions. Second operand 15 states. [2018-09-20 15:04:11,726 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-20 15:04:12,056 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-20 15:04:12,382 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-09-20 15:04:12,680 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-20 15:04:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:04:13,355 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2018-09-20 15:04:13,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-20 15:04:13,357 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-09-20 15:04:13,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:04:13,358 INFO L225 Difference]: With dead ends: 47 [2018-09-20 15:04:13,358 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:04:13,359 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2018-09-20 15:04:13,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:04:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:04:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:04:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:04:13,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-20 15:04:13,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:04:13,360 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:04:13,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-20 15:04:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:04:13,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:04:13,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:04:13,729 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-20 15:04:13,946 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-20 15:04:13,949 INFO L426 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 15) no Hoare annotation was computed. [2018-09-20 15:04:13,949 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-09-20 15:04:13,949 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-09-20 15:04:13,949 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:04:13,949 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:04:13,949 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-09-20 15:04:13,950 INFO L426 ceAbstractionStarter]: For program point L78-2(line 78) no Hoare annotation was computed. [2018-09-20 15:04:13,951 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:04:13,951 INFO L426 ceAbstractionStarter]: For program point L78-3(line 78) no Hoare annotation was computed. [2018-09-20 15:04:13,951 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2018-09-20 15:04:13,951 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2018-09-20 15:04:13,951 INFO L429 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 19 81) the Hoare annotation is: true [2018-09-20 15:04:13,951 INFO L426 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 19 81) no Hoare annotation was computed. [2018-09-20 15:04:13,954 INFO L426 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 19 81) no Hoare annotation was computed. [2018-09-20 15:04:13,954 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2018-09-20 15:04:13,954 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-09-20 15:04:13,954 INFO L422 ceAbstractionStarter]: At program point L22-3(lines 22 27) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= |ceil_double_#in~x| ceil_double_~x)) [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 27) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2018-09-20 15:04:13,955 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L74-2(lines 19 81) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L74-3(lines 74 79) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:04:13,956 INFO L426 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L75-1(line 75) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L75-2(line 75) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L75-3(line 75) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L26-3(line 26) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-20 15:04:13,957 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-09-20 15:04:13,958 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:04:13,958 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) [2018-09-20 15:04:13,958 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:04:13,958 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:04:13,958 INFO L426 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-09-20 15:04:13,958 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2018-09-20 15:04:13,958 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 83 100) the Hoare annotation is: true [2018-09-20 15:04:13,958 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 83 100) no Hoare annotation was computed. [2018-09-20 15:04:13,959 INFO L422 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= (_ +zero 11 53) main_~x~0)) [2018-09-20 15:04:13,959 INFO L426 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-09-20 15:04:13,959 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-09-20 15:04:13,959 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 83 100) no Hoare annotation was computed. [2018-09-20 15:04:13,966 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:04:13,971 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:04:13,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:04:13 BoogieIcfgContainer [2018-09-20 15:04:13,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:04:13,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:04:13,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:04:13,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:04:13,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:03:35" (3/4) ... [2018-09-20 15:04:13,980 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:04:13,987 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 15:04:13,987 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:04:13,987 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_double [2018-09-20 15:04:13,988 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:04:13,993 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:04:13,994 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-09-20 15:04:13,994 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:04:14,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_ceil) || \old(x) == x [2018-09-20 15:04:14,071 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:04:14,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:04:14,072 INFO L168 Benchmark]: Toolchain (without parser) took 41092.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 951.9 MB in the beginning and 915.7 MB in the end (delta: 36.2 MB). Peak memory consumption was 246.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:04:14,074 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. [2018-09-20 15:04:14,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:04:14,074 INFO L168 Benchmark]: Boogie Preprocessor took 60.01 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:04:14,075 INFO L168 Benchmark]: RCFGBuilder took 2084.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:04:14,077 INFO L168 Benchmark]: TraceAbstraction took 38475.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 923.5 MB in the end (delta: 190.7 MB). Peak memory consumption was 254.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:04:14,077 INFO L168 Benchmark]: Witness Printer took 97.22 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 915.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:04:14,083 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 368.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.01 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2084.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38475.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 923.5 MB in the end (delta: 190.7 MB). Peak memory consumption was 254.7 MB. Max. memory is 11.5 GB. * Witness Printer took 97.22 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 915.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant [2018-09-20 15:04:14,096 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:04:14,099 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_ceil) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. SAFE Result, 38.3s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 29.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 326 SDtfs, 583 SDslu, 1198 SDs, 0 SdLazy, 920 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 7 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 29 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 254 ConstructedInterpolants, 131 QuantifiedInterpolants, 129672 SizeOfPredicates, 46 NumberOfNonLiveVariables, 522 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...