/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_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 77a01f137667344720fd98189387bfe86c106b2a --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ...................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_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 77a01f137667344720fd98189387bfe86c106b2a --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:54:39,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:54:39,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:54:39,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:54:39,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:54:39,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:54:39,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:54:39,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:54:39,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:54:39,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:54:39,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:54:39,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:54:39,103 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:54:39,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:54:39,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:54:39,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:54:39,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:54:39,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:54:39,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:54:39,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:54:39,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:54:39,116 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:54:39,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:54:39,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:54:39,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:54:39,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:54:39,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:54:39,123 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:54:39,124 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:54:39,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:54:39,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:54:39,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:54:39,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:54:39,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:54:39,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:54:39,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:54:39,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:54:39,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:54:39,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:54:39,147 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:54:39,148 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:54:39,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:54:39,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:54:39,149 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:54:39,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:54:39,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:54:39,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:54:39,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:54:39,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:54:39,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:54:39,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:54:39,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:54:39,152 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:54:39,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:54:39,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:54:39,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:54:39,153 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:54:39,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:54:39,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:54:39,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:39,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:54:39,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:54:39,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:54:39,155 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:54:39,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:54:39,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:54:39,155 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 -> 77a01f137667344720fd98189387bfe86c106b2a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:54:39,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:54:39,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:54:39,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:54:39,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:54:39,238 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:54:39,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:39,611 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337cd837/5afa4cd8091244e1a7229da6b7937853/FLAGe06135472 [2018-09-21 17:54:39,822 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:54:39,823 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:39,835 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337cd837/5afa4cd8091244e1a7229da6b7937853/FLAGe06135472 [2018-09-21 17:54:39,864 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337cd837/5afa4cd8091244e1a7229da6b7937853 [2018-09-21 17:54:39,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:54:39,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:54:39,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:39,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:54:39,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:54:39,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:39" (1/1) ... [2018-09-21 17:54:39,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ade425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:39, skipping insertion in model container [2018-09-21 17:54:39,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:39" (1/1) ... [2018-09-21 17:54:39,907 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:54:40,195 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:40,215 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:54:40,247 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:40,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40 WrapperNode [2018-09-21 17:54:40,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:40,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:54:40,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:54:40,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:54:40,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... [2018-09-21 17:54:40,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:54:40,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:54:40,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:54:40,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:54:40,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:54:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:54:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:54:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:54:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:54:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:54:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:54:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:54:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:54:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:54:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:54:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:54:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:54:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:54:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:54:41,331 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:54:41,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:41 BoogieIcfgContainer [2018-09-21 17:54:41,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:54:41,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:54:41,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:54:41,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:54:41,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:54:39" (1/3) ... [2018-09-21 17:54:41,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4faebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:41, skipping insertion in model container [2018-09-21 17:54:41,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:40" (2/3) ... [2018-09-21 17:54:41,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4faebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:41, skipping insertion in model container [2018-09-21 17:54:41,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:41" (3/3) ... [2018-09-21 17:54:41,345 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:41,356 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:54:41,368 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:54:41,408 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:54:41,409 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:54:41,409 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:54:41,409 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:54:41,409 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:54:41,409 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:54:41,409 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:54:41,410 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:54:41,410 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:54:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-09-21 17:54:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-21 17:54:41,438 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:41,439 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] [2018-09-21 17:54:41,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:41,446 INFO L82 PathProgramCache]: Analyzing trace with hash -267865449, now seen corresponding path program 1 times [2018-09-21 17:54:41,449 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:54:41,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:54:41,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:41,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:41,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:54:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:54:41,599 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:54:41,599 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:54:41,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:54:41,621 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:54:41,622 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:54:41,625 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 2 states. [2018-09-21 17:54:41,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:54:41,649 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2018-09-21 17:54:41,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:54:41,651 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-21 17:54:41,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:54:41,664 INFO L225 Difference]: With dead ends: 88 [2018-09-21 17:54:41,664 INFO L226 Difference]: Without dead ends: 84 [2018-09-21 17:54:41,666 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:54:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-21 17:54:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-09-21 17:54:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-09-21 17:54:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2018-09-21 17:54:41,714 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 20 [2018-09-21 17:54:41,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:54:41,714 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions. [2018-09-21 17:54:41,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:54:41,715 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2018-09-21 17:54:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-21 17:54:41,716 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:41,716 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] [2018-09-21 17:54:41,717 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:41,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1973379583, now seen corresponding path program 1 times [2018-09-21 17:54:41,717 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:54:41,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:54:41,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:41,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:41,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:54:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:54:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:54:41,820 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:54:41,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:54:41 BoogieIcfgContainer [2018-09-21 17:54:41,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:54:41,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:54:41,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:54:41,888 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:54:41,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:41" (3/4) ... [2018-09-21 17:54:41,893 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:54:41,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:54:41,894 INFO L168 Benchmark]: Toolchain (without parser) took 2022.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:41,897 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:54:41,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:41,899 INFO L168 Benchmark]: Boogie Preprocessor took 77.00 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:54:41,900 INFO L168 Benchmark]: RCFGBuilder took 968.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:41,901 INFO L168 Benchmark]: TraceAbstraction took 552.93 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-09-21 17:54:41,903 INFO L168 Benchmark]: Witness Printer took 6.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:54:41,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 403.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.00 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 968.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 552.93 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.42 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: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=16, \old(tiny_sqrt)=13, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=17, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=17, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L26] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=17, ew_u={9:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L27] FCALL ew_u.value = (x) VAL [\old(x)=17, ew_u={9:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] (ix0) = ew_u.parts.msw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] FCALL (ix0) = ew_u.parts.msw VAL [(ix0) = ew_u.parts.msw=14, \old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] (ix1) = ew_u.parts.lsw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] FCALL (ix1) = ew_u.parts.lsw VAL [(ix1) = ew_u.parts.lsw=12, \old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L30] COND FALSE !(0) VAL [\old(x)=17, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] RET return x * x + x; VAL [\old(x)=17, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L140] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=10, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=10, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] RET return x != x; VAL [\old(x)=10, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10] [L143] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=10, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=10, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 107 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=88occurred 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:54:44,355 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:54:44,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:54:44,371 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:54:44,372 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:54:44,373 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:54:44,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:54:44,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:54:44,382 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:54:44,383 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:54:44,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:54:44,384 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:54:44,385 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:54:44,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:54:44,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:54:44,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:54:44,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:54:44,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:54:44,397 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:54:44,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:54:44,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:54:44,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:54:44,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:54:44,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:54:44,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:54:44,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:54:44,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:54:44,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:54:44,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:54:44,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:54:44,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:54:44,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:54:44,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:54:44,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:54:44,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:54:44,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:54:44,430 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:54:44,463 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:54:44,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:54:44,469 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:54:44,469 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:54:44,470 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:54:44,470 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:54:44,470 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:54:44,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:54:44,471 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:54:44,471 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:54:44,471 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:54:44,471 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:54:44,473 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:54:44,473 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:54:44,473 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:54:44,473 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:54:44,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:54:44,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:54:44,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:54:44,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:54:44,476 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:54:44,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:54:44,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:54:44,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:44,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:54:44,477 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:54:44,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:54:44,477 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:54:44,478 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:54:44,478 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:54:44,478 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:54:44,478 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 -> 77a01f137667344720fd98189387bfe86c106b2a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:54:44,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:54:44,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:54:44,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:54:44,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:54:44,588 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:54:44,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:44,992 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f89e9fe/6260b1b420c1429da14f19d03ce9d9c9/FLAG45cfe7c0d [2018-09-21 17:54:45,155 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:54:45,156 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:45,165 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f89e9fe/6260b1b420c1429da14f19d03ce9d9c9/FLAG45cfe7c0d [2018-09-21 17:54:45,183 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f89e9fe/6260b1b420c1429da14f19d03ce9d9c9 [2018-09-21 17:54:45,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:54:45,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:54:45,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:45,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:54:45,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:54:45,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19623080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45, skipping insertion in model container [2018-09-21 17:54:45,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,215 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:54:45,527 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:45,548 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:54:45,593 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:54:45,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45 WrapperNode [2018-09-21 17:54:45,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:54:45,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:54:45,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:54:45,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:54:45,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... [2018-09-21 17:54:45,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:54:45,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:54:45,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:54:45,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:54:45,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:54:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:54:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:54:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:54:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:54:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:54:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:54:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:54:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:54:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:54:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:54:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:54:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:54:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:54:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:54:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:54:46,345 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:46,379 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:46,424 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:54:51,124 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:54:51,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:51 BoogieIcfgContainer [2018-09-21 17:54:51,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:54:51,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:54:51,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:54:51,130 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:54:51,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:54:45" (1/3) ... [2018-09-21 17:54:51,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efdc8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:51, skipping insertion in model container [2018-09-21 17:54:51,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:54:45" (2/3) ... [2018-09-21 17:54:51,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efdc8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:54:51, skipping insertion in model container [2018-09-21 17:54:51,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:51" (3/3) ... [2018-09-21 17:54:51,133 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-09-21 17:54:51,144 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:54:51,153 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:54:51,193 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:54:51,194 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:54:51,194 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:54:51,194 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:54:51,194 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:54:51,194 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:54:51,195 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:54:51,195 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:54:51,195 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:54:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-09-21 17:54:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-21 17:54:51,223 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:51,225 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:54:51,227 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:51,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1953469968, now seen corresponding path program 1 times [2018-09-21 17:54:51,237 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:54:51,237 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 17:54:51,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:54:51,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:54:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:54:51,720 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:54:51,744 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:54:51,745 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:54:51,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:54:51,766 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:54:51,766 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:54:51,769 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-09-21 17:54:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:54:51,795 INFO L93 Difference]: Finished difference Result 87 states and 106 transitions. [2018-09-21 17:54:51,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:54:51,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-21 17:54:51,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:54:51,814 INFO L225 Difference]: With dead ends: 87 [2018-09-21 17:54:51,814 INFO L226 Difference]: Without dead ends: 83 [2018-09-21 17:54:51,817 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:54:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-21 17:54:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-09-21 17:54:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-21 17:54:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2018-09-21 17:54:51,875 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 19 [2018-09-21 17:54:51,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:54:51,875 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2018-09-21 17:54:51,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:54:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2018-09-21 17:54:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-21 17:54:51,877 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:54:51,877 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] [2018-09-21 17:54:51,878 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:54:51,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1314250089, now seen corresponding path program 1 times [2018-09-21 17:54:51,879 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:54:51,879 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 17:54:51,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:54:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:54:52,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:05,121 WARN L178 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 6 [2018-09-21 17:55:10,582 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-21 17:55:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:55:12,570 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:12,584 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:12,584 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:55:12,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:55:12,586 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:55:12,586 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2018-09-21 17:55:12,587 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. Second operand 9 states. [2018-09-21 17:55:53,406 WARN L178 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-21 17:56:31,535 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-21 17:57:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:57:53,781 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2018-09-21 17:57:53,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-21 17:57:53,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-21 17:57:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:57:53,788 INFO L225 Difference]: With dead ends: 90 [2018-09-21 17:57:53,788 INFO L226 Difference]: Without dead ends: 85 [2018-09-21 17:57:53,789 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.9s TimeCoverageRelationStatistics Valid=33, Invalid=115, Unknown=8, NotChecked=0, Total=156 [2018-09-21 17:57:53,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-21 17:57:53,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2018-09-21 17:57:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-21 17:57:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2018-09-21 17:57:53,806 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 32 [2018-09-21 17:57:53,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:57:53,807 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2018-09-21 17:57:53,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:57:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2018-09-21 17:57:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-21 17:57:53,809 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:57:53,810 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:57:53,810 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:57:53,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1662117317, now seen corresponding path program 1 times [2018-09-21 17:57:53,811 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:57:53,811 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 17:57:53,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:57:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:57:53,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:57:53,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:57:53,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:57:53,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:53,961 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:53,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:53,980 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:57:54,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:57:54,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:57:54,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:54,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:54,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:54,141 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:57:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:57:54,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:57:54,321 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:57:54,321 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 17:57:54,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 17:57:54,322 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 17:57:54,323 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 17:57:54,323 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand 8 states. [2018-09-21 17:57:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:57:58,314 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2018-09-21 17:57:58,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 17:57:58,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-21 17:57:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:57:58,317 INFO L225 Difference]: With dead ends: 84 [2018-09-21 17:57:58,317 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:57:58,317 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-21 17:57:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:57:58,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:57:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:57:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:57:58,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-09-21 17:57:58,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:57:58,319 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:57:58,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 17:57:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:57:58,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:57:58,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:57:58 BoogieIcfgContainer [2018-09-21 17:57:58,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:57:58,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:57:58,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:57:58,326 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:57:58,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:54:51" (3/4) ... [2018-09-21 17:57:58,330 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:57:58,338 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-21 17:57:58,338 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 17:57:58,338 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:57:58,339 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:57:58,346 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-09-21 17:57:58,347 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-21 17:57:58,347 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-21 17:57:58,448 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:57:58,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:57:58,450 INFO L168 Benchmark]: Toolchain (without parser) took 193261.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.9 MB in the beginning and 941.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2018-09-21 17:57:58,452 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:57:58,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:57:58,453 INFO L168 Benchmark]: Boogie Preprocessor took 58.71 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:57:58,454 INFO L168 Benchmark]: RCFGBuilder took 5402.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:57:58,454 INFO L168 Benchmark]: TraceAbstraction took 187198.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.5 MB in the end (delta: 157.4 MB). Peak memory consumption was 157.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:57:58,455 INFO L168 Benchmark]: Witness Printer took 123.39 ms. Allocated memory is still 1.2 GB. Free memory was 948.5 MB in the beginning and 941.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-09-21 17:57:58,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.71 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5402.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 187198.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.5 MB in the end (delta: 157.4 MB). Peak memory consumption was 157.4 MB. Max. memory is 11.5 GB. * Witness Printer took 123.39 ms. Allocated memory is still 1.2 GB. Free memory was 948.5 MB in the beginning and 941.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 87 locations, 1 error locations. SAFE Result, 187.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 165.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 273 SDtfs, 258 SDslu, 756 SDs, 0 SdLazy, 220 SolverSat, 16 SolverUnsat, 37 SolverUnknown, 0 SolverNotchecked, 137.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 41.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 82 ConstructedInterpolants, 16 QuantifiedInterpolants, 15286 SizeOfPredicates, 11 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...