./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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 /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 ............................................................................................................................................................................................................................................................................................................... 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 /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:52:35,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:52:35,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:52:35,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:52:35,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:52:35,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:52:35,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:52:35,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:52:35,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:52:35,080 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:52:35,081 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:52:35,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:52:35,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:52:35,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:52:35,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:52:35,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:52:35,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:52:35,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:52:35,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:52:35,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:52:35,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:52:35,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:52:35,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:52:35,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:52:35,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:52:35,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:52:35,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:52:35,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:52:35,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:52:35,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:52:35,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:52:35,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:52:35,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:52:35,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:52:35,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:52:35,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:52:35,114 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:52:35,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:52:35,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:52:35,133 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:52:35,134 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:52:35,134 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:52:35,135 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:52:35,137 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:52:35,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:52:35,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:52:35,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:52:35,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:52:35,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:52:35,140 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:52:35,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:52:35,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:52:35,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:52:35,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:52:35,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:52:35,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:52:35,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:52:35,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:52:35,142 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:52:35,142 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:52:35,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:52:35,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:52:35,144 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-11-28 17:52:35,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:52:35,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:52:35,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:52:35,227 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:52:35,228 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:52:35,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:35,296 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64042ad5b/4e185d8a37254a7bb84ac6f67c301274/FLAG639fb2036 [2018-11-28 17:52:35,828 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:52:35,829 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:35,838 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64042ad5b/4e185d8a37254a7bb84ac6f67c301274/FLAG639fb2036 [2018-11-28 17:52:36,144 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64042ad5b/4e185d8a37254a7bb84ac6f67c301274 [2018-11-28 17:52:36,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:52:36,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:52:36,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:52:36,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:52:36,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:52:36,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576c7cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36, skipping insertion in model container [2018-11-28 17:52:36,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:52:36,215 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:52:36,459 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:52:36,467 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:52:36,519 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:52:36,570 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:52:36,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36 WrapperNode [2018-11-28 17:52:36,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:52:36,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:52:36,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:52:36,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:52:36,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:52:36,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:52:36,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:52:36,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:52:36,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (1/1) ... [2018-11-28 17:52:36,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:52:36,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:52:36,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:52:36,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:52:36,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (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 [2018-11-28 17:52:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 17:52:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 17:52:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:52:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 17:52:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 17:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:52:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:52:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:52:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:52:37,612 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:52:37,613 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-28 17:52:37,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:37 BoogieIcfgContainer [2018-11-28 17:52:37,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:52:37,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:52:37,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:52:37,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:52:37,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:52:36" (1/3) ... [2018-11-28 17:52:37,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d10ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:52:37, skipping insertion in model container [2018-11-28 17:52:37,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:36" (2/3) ... [2018-11-28 17:52:37,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d10ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:52:37, skipping insertion in model container [2018-11-28 17:52:37,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:37" (3/3) ... [2018-11-28 17:52:37,624 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:37,635 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:52:37,645 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:52:37,665 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:52:37,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:52:37,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:52:37,716 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:52:37,716 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:52:37,717 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:52:37,717 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:52:37,717 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:52:37,718 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:52:37,718 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:52:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-11-28 17:52:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:52:37,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:52:37,750 INFO L402 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] [2018-11-28 17:52:37,752 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:52:37,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:52:37,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1907649109, now seen corresponding path program 1 times [2018-11-28 17:52:37,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:52:37,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:52:37,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:52:37,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:52:37,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:52:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:52:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:52:37,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:52:37,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:52:37,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:52:37,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:52:37,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:52:37,953 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-11-28 17:52:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:52:37,981 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2018-11-28 17:52:37,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:52:37,982 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 17:52:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:52:37,995 INFO L225 Difference]: With dead ends: 122 [2018-11-28 17:52:37,995 INFO L226 Difference]: Without dead ends: 61 [2018-11-28 17:52:37,999 INFO L631 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 [2018-11-28 17:52:38,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-28 17:52:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-28 17:52:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 17:52:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2018-11-28 17:52:38,047 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 22 [2018-11-28 17:52:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:52:38,047 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2018-11-28 17:52:38,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:52:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-28 17:52:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 17:52:38,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:52:38,049 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:52:38,049 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:52:38,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:52:38,049 INFO L82 PathProgramCache]: Analyzing trace with hash -213203193, now seen corresponding path program 1 times [2018-11-28 17:52:38,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:52:38,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:52:38,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:52:38,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:52:38,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:52:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:52:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:52:38,294 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:52:38,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:52:38 BoogieIcfgContainer [2018-11-28 17:52:38,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:52:38,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:52:38,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:52:38,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:52:38,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:37" (3/4) ... [2018-11-28 17:52:38,356 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:52:38,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:52:38,357 INFO L168 Benchmark]: Toolchain (without parser) took 2207.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -109.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:52:38,359 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:52:38,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:52:38,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:52:38,362 INFO L168 Benchmark]: Boogie Preprocessor took 52.81 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. [2018-11-28 17:52:38,362 INFO L168 Benchmark]: RCFGBuilder took 889.53 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:52:38,363 INFO L168 Benchmark]: TraceAbstraction took 736.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:52:38,364 INFO L168 Benchmark]: Witness Printer took 5.29 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. [2018-11-28 17:52:38,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.81 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. * RCFGBuilder took 889.53 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 736.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.29 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: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450951, \old(tiny_sqrt)=6442450956, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450952, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450952, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [\old(x)=6442450952, ix0=2147483647, ix1=6442450958, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L156] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L134] __int32_t hx, lx; VAL [\old(x)=6442450949, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L136] ieee_double_shape_type ew_u; [L137] ew_u.value = (x) [L138] EXPR ew_u.parts.msw [L138] (hx) = ew_u.parts.msw [L139] EXPR ew_u.parts.lsw [L139] (lx) = ew_u.parts.lsw [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450949, \result=0, hx=2146435073, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450949] [L159] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() VAL [one_sqrt=1, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 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=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.24-91b1670 [2018-11-28 17:52:40,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:52:40,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:52:40,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:52:40,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:52:40,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:52:40,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:52:40,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:52:40,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:52:40,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:52:40,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:52:40,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:52:40,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:52:40,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:52:40,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:52:40,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:52:40,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:52:40,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:52:40,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:52:40,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:52:40,880 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:52:40,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:52:40,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:52:40,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:52:40,891 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:52:40,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:52:40,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:52:40,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:52:40,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:52:40,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:52:40,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:52:40,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:52:40,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:52:40,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:52:40,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:52:40,905 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:52:40,905 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:52:40,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:52:40,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:52:40,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:52:40,936 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:52:40,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:52:40,938 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:52:40,938 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:52:40,939 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:52:40,939 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:52:40,939 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:52:40,939 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:52:40,939 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:52:40,940 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:52:40,943 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:52:40,943 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:52:40,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:52:40,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:52:40,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:52:40,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:52:40,944 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:52:40,945 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:52:40,945 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-11-28 17:52:41,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:52:41,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:52:41,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:52:41,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:52:41,035 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:52:41,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:41,106 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc10f636/4d46ff9699b7445ea4987f7500148d67/FLAG113255213 [2018-11-28 17:52:41,618 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:52:41,618 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:41,627 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc10f636/4d46ff9699b7445ea4987f7500148d67/FLAG113255213 [2018-11-28 17:52:41,929 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc10f636/4d46ff9699b7445ea4987f7500148d67 [2018-11-28 17:52:41,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:52:41,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:52:41,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:52:41,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:52:41,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:52:41,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:52:41" (1/1) ... [2018-11-28 17:52:41,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3926fb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:41, skipping insertion in model container [2018-11-28 17:52:41,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:52:41" (1/1) ... [2018-11-28 17:52:41,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:52:41,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:52:42,283 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:52:42,298 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:52:42,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:52:42,432 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:52:42,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42 WrapperNode [2018-11-28 17:52:42,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:52:42,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:52:42,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:52:42,434 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:52:42,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:52:42,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:52:42,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:52:42,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:52:42,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (1/1) ... [2018-11-28 17:52:42,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:52:42,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:52:42,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:52:42,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:52:42,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (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 [2018-11-28 17:52:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 17:52:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 17:52:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 17:52:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 17:52:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:52:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:52:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 17:52:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 17:52:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:52:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:52:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:52:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:52:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:52:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:52:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:52:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:52:43,640 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:52:46,105 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:52:46,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:52:46,196 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-28 17:52:46,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:46 BoogieIcfgContainer [2018-11-28 17:52:46,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:52:46,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:52:46,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:52:46,201 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:52:46,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:52:41" (1/3) ... [2018-11-28 17:52:46,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a266e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:52:46, skipping insertion in model container [2018-11-28 17:52:46,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:52:42" (2/3) ... [2018-11-28 17:52:46,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a266e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:52:46, skipping insertion in model container [2018-11-28 17:52:46,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:46" (3/3) ... [2018-11-28 17:52:46,204 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-11-28 17:52:46,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:52:46,224 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:52:46,243 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:52:46,275 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:52:46,276 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:52:46,277 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:52:46,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:52:46,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:52:46,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:52:46,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:52:46,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:52:46,278 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:52:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-11-28 17:52:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 17:52:46,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:52:46,303 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:52:46,305 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:52:46,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:52:46,311 INFO L82 PathProgramCache]: Analyzing trace with hash 319424566, now seen corresponding path program 1 times [2018-11-28 17:52:46,315 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:52:46,316 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) [2018-11-28 17:52:46,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:52:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:52:46,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:52:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:52:46,803 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:52:46,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:52:46,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:52:46,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:52:46,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:52:46,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:52:46,843 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-11-28 17:52:46,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:52:46,877 INFO L93 Difference]: Finished difference Result 120 states and 181 transitions. [2018-11-28 17:52:46,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:52:46,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-28 17:52:46,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:52:46,891 INFO L225 Difference]: With dead ends: 120 [2018-11-28 17:52:46,891 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 17:52:46,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:52:46,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 17:52:46,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 17:52:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 17:52:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2018-11-28 17:52:46,945 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 21 [2018-11-28 17:52:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:52:46,946 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2018-11-28 17:52:46,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:52:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2018-11-28 17:52:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 17:52:46,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:52:46,948 INFO L402 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] [2018-11-28 17:52:46,948 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:52:46,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:52:46,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2042217984, now seen corresponding path program 1 times [2018-11-28 17:52:46,950 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:52:46,950 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 [2018-11-28 17:52:46,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:52:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:52:47,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:52:49,625 WARN L832 $PredicateComparison]: unable to prove that (= |c___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|) |c___ieee754_sqrt_#in~x|)) is different from false [2018-11-28 17:52:50,411 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 17:52:50,425 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 17:52:50,435 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 17:52:50,445 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 17:52:50,453 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-11-28 17:52:50,516 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 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 70 treesize of output 52 [2018-11-28 17:52:50,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 17:52:50,579 INFO L478 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 11 treesize of output 9 [2018-11-28 17:52:50,579 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 17:52:50,719 INFO L478 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 33 treesize of output 25 [2018-11-28 17:52:50,731 INFO L478 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 25 treesize of output 11 [2018-11-28 17:52:50,731 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 17:52:50,749 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:52:50,765 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 17:52:50,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 17:52:50,789 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-11-28 17:52:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:52:51,472 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:52:51,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:52:51,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 17:52:51,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 17:52:51,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 17:52:51,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=74, Unknown=1, NotChecked=16, Total=110 [2018-11-28 17:52:51,494 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand 11 states. [2018-11-28 17:53:06,324 WARN L180 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 17:53:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:53:12,976 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2018-11-28 17:53:12,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 17:53:12,977 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2018-11-28 17:53:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:53:12,980 INFO L225 Difference]: With dead ends: 67 [2018-11-28 17:53:12,980 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 17:53:12,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=44, Invalid=197, Unknown=3, NotChecked=28, Total=272 [2018-11-28 17:53:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 17:53:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 17:53:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 17:53:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 78 transitions. [2018-11-28 17:53:12,995 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 78 transitions. Word has length 23 [2018-11-28 17:53:12,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:53:12,996 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 78 transitions. [2018-11-28 17:53:12,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 17:53:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-11-28 17:53:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 17:53:12,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:53:12,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:53:12,999 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:53:12,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:53:12,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1143433436, now seen corresponding path program 1 times [2018-11-28 17:53:13,001 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:53:13,001 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 [2018-11-28 17:53:13,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:53:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:53:13,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:53:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:53:13,278 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:53:13,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:53:13,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:53:13,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:53:13,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:53:13,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:53:13,292 INFO L87 Difference]: Start difference. First operand 60 states and 78 transitions. Second operand 6 states. [2018-11-28 17:53:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:53:16,265 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2018-11-28 17:53:16,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:53:16,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 17:53:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:53:16,268 INFO L225 Difference]: With dead ends: 67 [2018-11-28 17:53:16,268 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:53:16,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:53:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:53:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:53:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:53:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:53:16,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-28 17:53:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:53:16,271 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:53:16,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:53:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:53:16,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:53:16,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:53:16,550 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-11-28 17:53:16,550 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-11-28 17:53:16,550 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-11-28 17:53:16,551 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:53:16,551 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-28 17:53:16,551 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:53:16,551 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-11-28 17:53:16,551 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-11-28 17:53:16,551 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-11-28 17:53:16,552 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-11-28 17:53:16,553 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-11-28 17:53:16,553 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:53:16,553 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-11-28 17:53:16,553 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-28 17:53:16,553 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-11-28 17:53:16,553 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-28 17:53:16,554 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-11-28 17:53:16,556 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-11-28 17:53:16,557 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-11-28 17:53:16,557 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-28 17:53:16,557 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-11-28 17:53:16,559 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-11-28 17:53:16,559 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-28 17:53:16,559 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-11-28 17:53:16,560 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-11-28 17:53:16,560 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:53:16,560 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-28 17:53:16,560 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:53:16,560 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) (_ bv2148532224 32)) (_ bv0 32))))) (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) [2018-11-28 17:53:16,560 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-28 17:53:16,564 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:53:16,565 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:53:16,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:53:16,565 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 133 145) no Hoare annotation was computed. [2018-11-28 17:53:16,565 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 133 145) no Hoare annotation was computed. [2018-11-28 17:53:16,565 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 133 145) the Hoare annotation is: true [2018-11-28 17:53:16,565 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 140) no Hoare annotation was computed. [2018-11-28 17:53:16,567 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 140) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-11-28 17:53:16,567 INFO L448 ceAbstractionStarter]: For program point L135-3(lines 135 140) no Hoare annotation was computed. [2018-11-28 17:53:16,567 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:53:16,568 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 17:53:16,568 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:53:16,568 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:53:16,568 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 17:53:16,568 INFO L444 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0) (= main_~x~0 .cse0))) [2018-11-28 17:53:16,568 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 159 162) no Hoare annotation was computed. [2018-11-28 17:53:16,569 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 147 165) the Hoare annotation is: true [2018-11-28 17:53:16,569 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 147 165) no Hoare annotation was computed. [2018-11-28 17:53:16,569 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-11-28 17:53:16,569 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-28 17:53:16,569 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 147 165) no Hoare annotation was computed. [2018-11-28 17:53:16,569 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-11-28 17:53:16,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,604 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,614 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,614 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,614 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,615 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,615 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,615 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,615 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,619 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,619 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,620 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,620 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,620 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,620 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:53:16 BoogieIcfgContainer [2018-11-28 17:53:16,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:53:16,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:53:16,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:53:16,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:53:16,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:52:46" (3/4) ... [2018-11-28 17:53:16,643 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:53:16,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-28 17:53:16,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:53:16,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-28 17:53:16,652 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:53:16,659 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-11-28 17:53:16,660 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-28 17:53:16,660 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:53:16,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-28 17:53:16,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-28 17:53:16,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-11-28 17:53:16,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-11-28 17:53:16,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-11-28 17:53:16,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-11-28 17:53:16,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) [2018-11-28 17:53:16,746 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:53:16,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:53:16,747 INFO L168 Benchmark]: Toolchain (without parser) took 34813.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.4 MB in the beginning and 928.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,748 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:53:16,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,750 INFO L168 Benchmark]: Boogie Preprocessor took 92.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,750 INFO L168 Benchmark]: RCFGBuilder took 3537.29 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,751 INFO L168 Benchmark]: TraceAbstraction took 30433.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.9 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,751 INFO L168 Benchmark]: Witness Printer took 111.86 ms. Allocated memory is still 1.2 GB. Free memory was 934.9 MB in the beginning and 928.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:53:16,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3537.29 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30433.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.9 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. * Witness Printer took 111.86 ms. Allocated memory is still 1.2 GB. Free memory was 934.9 MB in the beginning and 928.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 28]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 72]: Loop Invariant [2018-11-28 17:53:16,763 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 53]: Loop Invariant [2018-11-28 17:53:16,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 123]: Loop Invariant [2018-11-28 17:53:16,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 48]: Loop Invariant [2018-11-28 17:53:16,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 85]: Loop Invariant [2018-11-28 17:53:16,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-11-28 17:53:16,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_4[63:32]), 2148532224bv32) == 0bv32)) && x == \old(x) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 64 locations, 1 error locations. SAFE Result, 30.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 24.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 205 SDtfs, 198 SDslu, 591 SDs, 0 SdLazy, 140 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 17.0s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 19 PreInvPairs, 29 NumberOfFragments, 173 HoareAnnotationTreeSize, 19 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 11 QuantifiedInterpolants, 11586 SizeOfPredicates, 9 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 27 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...