./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_1121b_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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a ............................................................................................................................................................................................................................................................................................... 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_1121b_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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:08:37,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:37,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:37,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:37,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:37,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:37,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:37,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:37,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:37,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:37,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:37,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:37,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:37,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:37,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:37,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:37,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:37,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:37,111 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:37,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:37,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:37,116 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:37,118 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:37,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:37,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:37,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:37,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:37,123 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:37,124 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:37,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:37,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:37,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:37,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:37,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:37,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:37,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:37,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:08:37,147 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:37,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:37,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:37,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:37,150 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:37,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:37,150 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:37,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:08:37,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:37,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:37,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:37,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:37,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:37,152 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:37,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:37,153 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:37,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:37,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:37,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:37,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:37,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:37,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:37,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:37,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:37,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:37,155 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:08:37,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:37,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:08:37,157 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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2019-01-12 09:08:37,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:37,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:37,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:37,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:37,213 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:37,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:37,273 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f38a483/bb2be2d5b73248abb255c1fb7675fb93/FLAG765c282bd [2019-01-12 09:08:37,747 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:37,747 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:37,757 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f38a483/bb2be2d5b73248abb255c1fb7675fb93/FLAG765c282bd [2019-01-12 09:08:38,082 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f38a483/bb2be2d5b73248abb255c1fb7675fb93 [2019-01-12 09:08:38,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:38,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:38,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:38,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:38,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:38,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cb9006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38, skipping insertion in model container [2019-01-12 09:08:38,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:38,136 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:38,452 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:38,458 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:38,521 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:38,556 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:38,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38 WrapperNode [2019-01-12 09:08:38,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:38,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:38,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:38,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:38,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:38,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:38,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:38,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:38,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (1/1) ... [2019-01-12 09:08:38,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:38,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:38,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:38,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:38,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (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 [2019-01-12 09:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:08:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:08:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:39,851 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:39,851 INFO L286 CfgBuilder]: Removed 22 assue(true) statements. [2019-01-12 09:08:39,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:39 BoogieIcfgContainer [2019-01-12 09:08:39,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:39,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:39,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:39,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:39,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:38" (1/3) ... [2019-01-12 09:08:39,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ce28b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:39, skipping insertion in model container [2019-01-12 09:08:39,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:38" (2/3) ... [2019-01-12 09:08:39,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ce28b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:39, skipping insertion in model container [2019-01-12 09:08:39,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:39" (3/3) ... [2019-01-12 09:08:39,861 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:39,871 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:39,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:39,898 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:39,930 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:39,931 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:39,931 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:39,931 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:39,932 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:39,932 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:39,932 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:39,932 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:39,932 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-01-12 09:08:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:08:39,957 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:39,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:39,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:39,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:39,968 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-01-12 09:08:39,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:39,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:40,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:40,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:40,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:40,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:40,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:40,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:40,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:40,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:40,137 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-01-12 09:08:40,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:40,167 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-01-12 09:08:40,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:40,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:08:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:40,186 INFO L225 Difference]: With dead ends: 108 [2019-01-12 09:08:40,187 INFO L226 Difference]: Without dead ends: 52 [2019-01-12 09:08:40,191 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 [2019-01-12 09:08:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-12 09:08:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-12 09:08:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-12 09:08:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-01-12 09:08:40,241 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-01-12 09:08:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:40,241 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-01-12 09:08:40,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-01-12 09:08:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:40,243 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:40,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:40,243 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-01-12 09:08:40,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:40,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:40,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:40,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:40,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:40,453 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:08:40,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:08:40 BoogieIcfgContainer [2019-01-12 09:08:40,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:08:40,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:08:40,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:08:40,499 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:08:40,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:39" (3/4) ... [2019-01-12 09:08:40,505 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:08:40,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:08:40,506 INFO L168 Benchmark]: Toolchain (without parser) took 2419.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:40,509 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. [2019-01-12 09:08:40,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.20 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:40,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:40,512 INFO L168 Benchmark]: Boogie Preprocessor took 90.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:40,513 INFO L168 Benchmark]: RCFGBuilder took 1062.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:40,514 INFO L168 Benchmark]: TraceAbstraction took 643.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:40,515 INFO L168 Benchmark]: Witness Printer took 7.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:40,520 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 469.20 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 140.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1062.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 643.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 170, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L169] double x = __VERIFIER_nondet_double(); [L170] double y = -0.0; [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={1:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L171] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={1:0}] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 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=55occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-0ed9222-m [2019-01-12 09:08:42,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:42,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:42,745 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:42,745 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:42,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:42,748 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:42,749 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:42,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:42,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:42,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:42,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:42,754 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:42,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:42,756 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:42,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:42,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:42,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:42,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:42,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:42,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:42,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:42,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:42,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:42,769 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:42,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:42,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:42,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:42,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:42,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:42,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:42,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:42,776 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:42,776 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:42,777 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:42,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:42,779 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:08:42,798 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:42,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:42,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:42,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:42,801 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:42,801 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:42,801 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:42,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:42,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:42,802 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:42,802 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:42,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:42,802 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:08:42,802 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:08:42,803 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:42,803 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:42,803 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:42,803 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:42,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:42,804 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:42,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:42,804 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:42,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:42,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:42,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:42,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:42,805 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:08:42,805 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:42,805 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:08:42,806 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:08:42,806 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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2019-01-12 09:08:42,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:42,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:42,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:42,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:42,858 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:42,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:42,915 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5d53c0e/f906d93de8e14d819ee5f384504aad94/FLAG116d54ee1 [2019-01-12 09:08:43,367 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:43,367 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:43,380 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5d53c0e/f906d93de8e14d819ee5f384504aad94/FLAG116d54ee1 [2019-01-12 09:08:43,714 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5d53c0e/f906d93de8e14d819ee5f384504aad94 [2019-01-12 09:08:43,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:43,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:43,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:43,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:43,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:43,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:43" (1/1) ... [2019-01-12 09:08:43,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4deda83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:43, skipping insertion in model container [2019-01-12 09:08:43,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:43" (1/1) ... [2019-01-12 09:08:43,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:43,774 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:44,103 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:44,117 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:44,198 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:44,356 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:44,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44 WrapperNode [2019-01-12 09:08:44,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:44,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:44,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:44,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:44,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:44,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:44,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:44,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:44,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (1/1) ... [2019-01-12 09:08:44,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:44,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:44,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:44,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:44,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (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 [2019-01-12 09:08:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:08:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:08:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-01-12 09:08:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:08:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:08:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:44,799 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:44,990 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:45,101 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:48,322 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:48,323 INFO L286 CfgBuilder]: Removed 22 assue(true) statements. [2019-01-12 09:08:48,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:48 BoogieIcfgContainer [2019-01-12 09:08:48,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:48,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:48,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:48,328 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:48,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:43" (1/3) ... [2019-01-12 09:08:48,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44831c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:48, skipping insertion in model container [2019-01-12 09:08:48,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:44" (2/3) ... [2019-01-12 09:08:48,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44831c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:48, skipping insertion in model container [2019-01-12 09:08:48,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:48" (3/3) ... [2019-01-12 09:08:48,332 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b_true-unreach-call.c [2019-01-12 09:08:48,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:48,348 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:48,364 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:48,391 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:48,392 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:48,392 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:48,392 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:48,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:48,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:48,393 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:48,393 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:48,393 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-01-12 09:08:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:08:48,416 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:48,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:48,420 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:48,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:48,426 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-01-12 09:08:48,431 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:48,432 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:48,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:49,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:49,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:49,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:49,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:49,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:49,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:49,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:49,551 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-01-12 09:08:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:49,574 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-01-12 09:08:49,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:49,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:08:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:49,585 INFO L225 Difference]: With dead ends: 108 [2019-01-12 09:08:49,585 INFO L226 Difference]: Without dead ends: 52 [2019-01-12 09:08:49,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-12 09:08:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-12 09:08:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-12 09:08:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-01-12 09:08:49,624 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-01-12 09:08:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:49,624 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-01-12 09:08:49,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-01-12 09:08:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:49,625 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:49,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:49,626 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:49,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:49,626 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-01-12 09:08:49,628 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:49,629 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 [2019-01-12 09:08:49,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:53,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:09:03,328 WARN L181 SmtUtils]: Spent 4.26 s on a formula simplification that was a NOOP. DAG size: 9 [2019-01-12 09:09:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:09:13,979 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:09:14,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:09:14,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:09:14,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:09:14,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:09:14,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=20, Unknown=1, NotChecked=0, Total=30 [2019-01-12 09:09:14,019 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 6 states. [2019-01-12 09:09:33,878 WARN L181 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 09:09:48,476 WARN L181 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 18 [2019-01-12 09:10:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:02,138 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-01-12 09:10:02,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:10:02,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-12 09:10:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:02,140 INFO L225 Difference]: With dead ends: 57 [2019-01-12 09:10:02,140 INFO L226 Difference]: Without dead ends: 52 [2019-01-12 09:10:02,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=19, Invalid=35, Unknown=2, NotChecked=0, Total=56 [2019-01-12 09:10:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-12 09:10:02,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-12 09:10:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-12 09:10:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-01-12 09:10:02,151 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-01-12 09:10:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:02,151 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-01-12 09:10:02,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:10:02,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-01-12 09:10:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-12 09:10:02,153 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:02,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:02,154 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:02,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:02,154 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-01-12 09:10:02,156 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:02,156 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 [2019-01-12 09:10:02,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:02,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:02,347 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 09:10:02,365 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 09:10:02,368 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 09:10:02,370 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 09:10:02,376 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 73 treesize of output 98 [2019-01-12 09:10:02,693 WARN L181 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-01-12 09:10:02,707 INFO L701 Elim1Store]: detected not equals via solver [2019-01-12 09:10:02,708 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 09:10:02,710 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 74 [2019-01-12 09:10:02,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-12 09:10:02,764 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 62 treesize of output 48 [2019-01-12 09:10:02,828 INFO L701 Elim1Store]: detected not equals via solver [2019-01-12 09:10:02,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2019-01-12 09:10:02,832 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-12 09:10:02,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:10:03,093 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 32 treesize of output 24 [2019-01-12 09:10:03,133 INFO L701 Elim1Store]: detected not equals via solver [2019-01-12 09:10:03,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2019-01-12 09:10:03,138 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-12 09:10:03,215 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:10:03,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:10:03,259 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. [2019-01-12 09:10:03,260 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:83, output treesize:29 [2019-01-12 09:10:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:03,363 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:03,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:03,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:10:03,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:10:03,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:10:03,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:10:03,377 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 5 states. [2019-01-12 09:10:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:03,527 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-01-12 09:10:03,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:10:03,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-01-12 09:10:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:03,528 INFO L225 Difference]: With dead ends: 52 [2019-01-12 09:10:03,528 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:10:03,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:10:03,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:10:03,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:10:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:10:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:10:03,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-01-12 09:10:03,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:03,532 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:10:03,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:10:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:10:03,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:10:03,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:10:06,728 WARN L181 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 9 [2019-01-12 09:10:11,735 WARN L181 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 09:10:11,849 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-01-12 09:10:11,849 INFO L448 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,849 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L444 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,850 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L444 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-01-12 09:10:11,851 INFO L444 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-01-12 09:10:11,851 INFO L448 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-01-12 09:10:11,852 INFO L444 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-01-12 09:10:11,853 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2019-01-12 09:10:11,853 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-01-12 09:10:11,853 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-01-12 09:10:11,853 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-01-12 09:10:11,853 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-01-12 09:10:11,853 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y) [2019-01-12 09:10:11,854 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-01-12 09:10:11,854 INFO L444 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) [2019-01-12 09:10:11,854 INFO L444 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-01-12 09:10:11,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:10:11,854 INFO L448 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,854 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-01-12 09:10:11,854 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-01-12 09:10:11,855 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-01-12 09:10:11,857 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,857 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,857 INFO L451 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2019-01-12 09:10:11,857 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-01-12 09:10:11,857 INFO L448 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,857 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L444 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|))) [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-01-12 09:10:11,858 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-01-12 09:10:11,859 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-01-12 09:10:11,859 INFO L444 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-01-12 09:10:11,859 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-01-12 09:10:11,859 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-01-12 09:10:11,859 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-01-12 09:10:11,859 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-01-12 09:10:11,859 INFO L448 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-01-12 09:10:11,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,877 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,883 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:11,883 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:11,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:10:11 BoogieIcfgContainer [2019-01-12 09:10:11,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:10:11,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:10:11,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:10:11,889 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:10:11,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:48" (3/4) ... [2019-01-12 09:10:11,894 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:10:11,914 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-12 09:10:11,915 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 09:10:11,915 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:10:11,971 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:10:11,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:10:11,972 INFO L168 Benchmark]: Toolchain (without parser) took 88254.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 992.5 MB in the end (delta: -41.2 MB). Peak memory consumption was 117.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,973 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. [2019-01-12 09:10:11,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -200.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,976 INFO L168 Benchmark]: Boogie Preprocessor took 67.39 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. [2019-01-12 09:10:11,977 INFO L168 Benchmark]: RCFGBuilder took 3806.23 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,978 INFO L168 Benchmark]: TraceAbstraction took 83562.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.3 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,979 INFO L168 Benchmark]: Witness Printer took 83.04 ms. Allocated memory is still 1.2 GB. Free memory was 999.3 MB in the beginning and 992.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:11,991 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 637.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -200.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.39 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 3806.23 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83562.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.3 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * Witness Printer took 83.04 ms. Allocated memory is still 1.2 GB. Free memory was 999.3 MB in the beginning and 992.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2019-01-12 09:10:12,000 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,000 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,008 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,009 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) == \result) - InvariantResult [Line: 16]: Loop Invariant [2019-01-12 09:10:12,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,009 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,012 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,012 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,013 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-01-12 09:10:12,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:12,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: ~bvadd64(\result, 4294967295bv32) == 0bv32 && (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) == \result) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. SAFE Result, 83.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 48.3s AutomataDifference, 0.0s DeadEndRemovalTime, 8.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 162 SDtfs, 75 SDslu, 225 SDs, 0 SdLazy, 21 SolverSat, 1 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 48 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 2063 SizeOfPredicates, 14 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 23 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...