./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer --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 34324710c17488da862b5b1b77adbd97563f405e .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer --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 34324710c17488da862b5b1b77adbd97563f405e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:35:22,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:35:22,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:35:22,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:35:22,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:35:22,517 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:35:22,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:35:22,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:35:22,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:35:22,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:35:22,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:35:22,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:35:22,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:35:22,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:35:22,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:35:22,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:35:22,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:35:22,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:35:22,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:35:22,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:35:22,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:35:22,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:35:22,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:35:22,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:35:22,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:35:22,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:35:22,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:35:22,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:35:22,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:35:22,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:35:22,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:35:22,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:35:22,529 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:35:22,529 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:35:22,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:35:22,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:35:22,530 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:35:22,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:35:22,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:35:22,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:35:22,538 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:35:22,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:35:22,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:35:22,539 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:35:22,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:35:22,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:35:22,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:35:22,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:35:22,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:35:22,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:35:22,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:35:22,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:35:22,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:35:22,542 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:35:22,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:35:22,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:35:22,542 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer 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 -> 34324710c17488da862b5b1b77adbd97563f405e [2018-12-09 00:35:22,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:35:22,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:35:22,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:35:22,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:35:22,579 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:35:22,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:22,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/3887a3fe5/ab6ecb4dcd31493bbee6b58e2b1f0932/FLAG6fe0e9d89 [2018-12-09 00:35:23,008 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:35:23,008 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:23,013 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/3887a3fe5/ab6ecb4dcd31493bbee6b58e2b1f0932/FLAG6fe0e9d89 [2018-12-09 00:35:23,022 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/3887a3fe5/ab6ecb4dcd31493bbee6b58e2b1f0932 [2018-12-09 00:35:23,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:35:23,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:35:23,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:23,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:35:23,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:35:23,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4465efb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23, skipping insertion in model container [2018-12-09 00:35:23,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:35:23,050 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:35:23,171 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:23,174 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:35:23,204 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:23,249 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:35:23,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23 WrapperNode [2018-12-09 00:35:23,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:23,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:23,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:35:23,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:35:23,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:23,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:35:23,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:35:23,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:35:23,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... [2018-12-09 00:35:23,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:35:23,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:35:23,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:35:23,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:35:23,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:35:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 00:35:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 00:35:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 00:35:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:35:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 00:35:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:35:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:35:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:35:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:35:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:35:23,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:35:23,593 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 00:35:23,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:23 BoogieIcfgContainer [2018-12-09 00:35:23,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:35:23,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:35:23,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:35:23,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:35:23,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:35:23" (1/3) ... [2018-12-09 00:35:23,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a437f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:35:23, skipping insertion in model container [2018-12-09 00:35:23,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:23" (2/3) ... [2018-12-09 00:35:23,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a437f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:35:23, skipping insertion in model container [2018-12-09 00:35:23,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:23" (3/3) ... [2018-12-09 00:35:23,598 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:23,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:35:23,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:35:23,616 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:35:23,634 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:35:23,635 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:35:23,635 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:35:23,635 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:35:23,635 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:35:23,635 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:35:23,635 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:35:23,635 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:35:23,635 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:35:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-12-09 00:35:23,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:35:23,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:35:23,650 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:35:23,652 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:35:23,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:23,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1161852501, now seen corresponding path program 1 times [2018-12-09 00:35:23,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:35:23,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:35:23,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:35:23,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:35:23,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:35:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:23,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:35:23,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:35:23,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:35:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:35:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:35:23,752 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-12-09 00:35:23,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:35:23,769 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2018-12-09 00:35:23,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:35:23,770 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 00:35:23,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:35:23,775 INFO L225 Difference]: With dead ends: 158 [2018-12-09 00:35:23,776 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 00:35:23,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:35:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 00:35:23,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-09 00:35:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-09 00:35:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-12-09 00:35:23,803 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-12-09 00:35:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:35:23,803 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-12-09 00:35:23,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:35:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-12-09 00:35:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:35:23,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:35:23,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:35:23,805 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:35:23,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:23,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142383, now seen corresponding path program 1 times [2018-12-09 00:35:23,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:35:23,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:35:23,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:35:23,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:35:23,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:35:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:35:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:35:23,859 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:35:23,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:35:23 BoogieIcfgContainer [2018-12-09 00:35:23,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:35:23,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:35:23,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:35:23,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:35:23,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:23" (3/4) ... [2018-12-09 00:35:23,884 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:35:23,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:35:23,884 INFO L168 Benchmark]: Toolchain (without parser) took 860.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -54.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,886 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:35:23,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.23 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,886 INFO L168 Benchmark]: Boogie Preprocessor took 25.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,887 INFO L168 Benchmark]: RCFGBuilder took 301.64 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,887 INFO L168 Benchmark]: TraceAbstraction took 287.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:23,887 INFO L168 Benchmark]: Witness Printer took 2.74 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. [2018-12-09 00:35:23,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.23 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 301.64 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 287.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 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: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=27, \old(one_sqrt)=17, \old(pi)=30, \old(pi)=15, \old(pi)=19, \old(pS0_acos)=9, \old(pS1_acos)=28, \old(pS2_acos)=29, \old(pS3_acos)=13, \old(pS4_acos)=18, \old(pS5_acos)=31, \old(qS1_acos)=12, \old(qS2_acos)=20, \old(qS3_acos)=23, \old(qS4_acos)=14, \old(tiny_sqrt)=26, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L223] double x = -1.0 / 0.0; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L224] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L150] ieee_double_shape_type gh_u; [L151] gh_u.value = (x) [L152] EXPR gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L154] ix = hx & 0x7fffffff VAL [\old(x)=24, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L170] COND TRUE ix < 0x3fe00000 VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L171] COND TRUE ix <= 0x3c600000 [L172] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L224] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=16, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L224] double res = __ieee754_acos(x); [L227] CALL, EXPR isnan_double(res) VAL [\old(x)=16, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] return x != x; VAL [\old(x)=16, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L227] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L227] COND TRUE !isnan_double(res) [L228] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 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=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:35:25,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:35:25,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:35:25,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:35:25,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:35:25,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:35:25,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:35:25,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:35:25,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:35:25,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:35:25,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:35:25,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:35:25,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:35:25,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:35:25,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:35:25,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:35:25,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:35:25,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:35:25,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:35:25,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:35:25,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:35:25,192 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:35:25,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:35:25,193 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:35:25,193 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:35:25,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:35:25,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:35:25,194 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:35:25,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:35:25,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:35:25,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:35:25,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:35:25,196 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:35:25,196 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:35:25,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:35:25,197 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:35:25,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 00:35:25,204 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:35:25,204 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:35:25,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:35:25,204 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:35:25,205 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:35:25,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:35:25,205 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:35:25,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:35:25,206 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:35:25,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:35:25,207 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:35:25,207 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer 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 -> 34324710c17488da862b5b1b77adbd97563f405e [2018-12-09 00:35:25,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:35:25,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:35:25,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:35:25,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:35:25,235 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:35:25,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:25,271 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/a66714790/bff583fda4be469eab1fa9eea66a2cb3/FLAGc6e7d7a65 [2018-12-09 00:35:25,706 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:35:25,706 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:25,711 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/a66714790/bff583fda4be469eab1fa9eea66a2cb3/FLAGc6e7d7a65 [2018-12-09 00:35:25,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/data/a66714790/bff583fda4be469eab1fa9eea66a2cb3 [2018-12-09 00:35:25,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:35:25,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:35:25,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:25,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:35:25,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:35:25,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25, skipping insertion in model container [2018-12-09 00:35:25,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:35:25,744 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:35:25,864 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:25,868 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:35:25,902 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:25,920 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:35:25,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25 WrapperNode [2018-12-09 00:35:25,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:25,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:25,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:35:25,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:35:25,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:25,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:35:25,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:35:25,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:35:25,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:25,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 00:35:26,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:35:26,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:35:26,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:35:26,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:35:26,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 00:35:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 00:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 00:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 00:35:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 00:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 00:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:35:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:35:26,451 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:35:27,939 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:35:36,892 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:35:39,973 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:35:39,988 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:35:39,988 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 00:35:39,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:39 BoogieIcfgContainer [2018-12-09 00:35:39,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:35:39,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:35:39,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:35:39,991 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:35:39,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:35:25" (1/3) ... [2018-12-09 00:35:39,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f98695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:35:39, skipping insertion in model container [2018-12-09 00:35:39,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (2/3) ... [2018-12-09 00:35:39,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f98695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:35:39, skipping insertion in model container [2018-12-09 00:35:39,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:39" (3/3) ... [2018-12-09 00:35:39,993 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b_true-unreach-call.c [2018-12-09 00:35:39,998 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:35:40,002 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:35:40,011 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:35:40,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:35:40,028 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:35:40,028 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:35:40,028 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:35:40,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:35:40,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:35:40,028 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:35:40,028 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:35:40,028 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:35:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-12-09 00:35:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:35:40,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:35:40,043 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:35:40,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:35:40,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2101984081, now seen corresponding path program 1 times [2018-12-09 00:35:40,049 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:35:40,050 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 00:35:40,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:35:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:40,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:35:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:40,725 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:35:40,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:35:40,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:35:40,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:35:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:35:40,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:35:40,753 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-12-09 00:35:40,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:35:40,776 INFO L93 Difference]: Finished difference Result 156 states and 240 transitions. [2018-12-09 00:35:40,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:35:40,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 00:35:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:35:40,783 INFO L225 Difference]: With dead ends: 156 [2018-12-09 00:35:40,784 INFO L226 Difference]: Without dead ends: 78 [2018-12-09 00:35:40,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:35:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-09 00:35:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-09 00:35:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-09 00:35:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2018-12-09 00:35:40,818 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 22 [2018-12-09 00:35:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:35:40,818 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2018-12-09 00:35:40,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:35:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2018-12-09 00:35:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:35:40,820 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:35:40,820 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:35:40,820 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:35:40,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1503428723, now seen corresponding path program 1 times [2018-12-09 00:35:40,821 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:35:40,821 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 00:35:40,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:35:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:40,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:35:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:41,075 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:35:41,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:35:41,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:35:41,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:35:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:35:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:35:41,090 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand 7 states. [2018-12-09 00:35:52,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:35:52,407 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2018-12-09 00:35:52,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:35:52,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 00:35:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:35:52,410 INFO L225 Difference]: With dead ends: 90 [2018-12-09 00:35:52,410 INFO L226 Difference]: Without dead ends: 75 [2018-12-09 00:35:52,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:35:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-09 00:35:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-09 00:35:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-09 00:35:52,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2018-12-09 00:35:52,416 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2018-12-09 00:35:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:35:52,416 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2018-12-09 00:35:52,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:35:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-12-09 00:35:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:35:52,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:35:52,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:35:52,417 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:35:52,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:52,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1306915218, now seen corresponding path program 1 times [2018-12-09 00:35:52,417 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:35:52,417 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 00:35:52,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:35:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:56,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:35:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:56,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:35:56,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:35:56,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:35:56,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:35:56,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:35:56,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:35:56,496 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand 7 states. [2018-12-09 00:36:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:06,696 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-12-09 00:36:06,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:36:06,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 00:36:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:06,699 INFO L225 Difference]: With dead ends: 85 [2018-12-09 00:36:06,699 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 00:36:06,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:36:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 00:36:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-09 00:36:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 00:36:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-12-09 00:36:06,704 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 23 [2018-12-09 00:36:06,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:06,704 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-12-09 00:36:06,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:36:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-12-09 00:36:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:36:06,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:06,705 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:06,705 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:06,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash 727792143, now seen corresponding path program 1 times [2018-12-09 00:36:06,705 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:36:06,705 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 00:36:06,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:07,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:36:20,823 WARN L180 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 00:36:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:36:36,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:36:36,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:36:36,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:36:36,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:36:36,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:36:36,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2018-12-09 00:36:36,528 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 9 states. [2018-12-09 00:36:50,302 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from true [2018-12-09 00:37:11,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:37:11,734 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-12-09 00:37:11,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:37:11,735 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-09 00:37:11,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:37:11,736 INFO L225 Difference]: With dead ends: 81 [2018-12-09 00:37:11,736 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 00:37:11,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=4, NotChecked=20, Total=156 [2018-12-09 00:37:11,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 00:37:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-09 00:37:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 00:37:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2018-12-09 00:37:11,742 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 24 [2018-12-09 00:37:11,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:37:11,742 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2018-12-09 00:37:11,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:37:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-12-09 00:37:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:37:11,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:37:11,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:37:11,743 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:37:11,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:37:11,743 INFO L82 PathProgramCache]: Analyzing trace with hash -121435068, now seen corresponding path program 1 times [2018-12-09 00:37:11,744 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:37:11,744 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 00:37:11,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:37:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:11,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:37:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:37:11,939 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:37:11,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:37:11,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:37:11,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:37:11,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:37:11,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:37:11,948 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 7 states. [2018-12-09 00:37:16,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:37:16,023 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2018-12-09 00:37:16,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:37:16,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-09 00:37:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:37:16,044 INFO L225 Difference]: With dead ends: 82 [2018-12-09 00:37:16,044 INFO L226 Difference]: Without dead ends: 68 [2018-12-09 00:37:16,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:37:16,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-09 00:37:16,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-09 00:37:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-09 00:37:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-12-09 00:37:16,048 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 25 [2018-12-09 00:37:16,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:37:16,049 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-12-09 00:37:16,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:37:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-12-09 00:37:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 00:37:16,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:37:16,050 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:37:16,050 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:37:16,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:37:16,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2087590410, now seen corresponding path program 1 times [2018-12-09 00:37:16,050 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:37:16,050 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 00:37:16,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:37:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:20,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:37:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:37:20,400 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:37:20,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:37:20,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:37:20,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:37:20,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:37:20,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:37:20,460 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand 7 states. [2018-12-09 00:37:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:37:23,875 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-12-09 00:37:23,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:37:23,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 00:37:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:37:23,877 INFO L225 Difference]: With dead ends: 68 [2018-12-09 00:37:23,877 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:37:23,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:37:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:37:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:37:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:37:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:37:23,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 00:37:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:37:23,878 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:37:23,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:37:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:37:23,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:37:23,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:37:24,071 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: true [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L451 ceAbstractionStarter]: At program point L52-3(lines 52 53) the Hoare annotation is: true [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 00:37:24,072 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L451 ceAbstractionStarter]: At program point L71-2(lines 71 81) the Hoare annotation is: true [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L451 ceAbstractionStarter]: At program point L47-2(lines 47 51) the Hoare annotation is: true [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L451 ceAbstractionStarter]: At program point L122-2(lines 122 127) the Hoare annotation is: true [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-12-09 00:37:24,073 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L451 ceAbstractionStarter]: At program point L84-2(lines 84 100) the Hoare annotation is: true [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:37:24,074 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:37:24,074 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 169) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 146 215) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 146 215) the Hoare annotation is: true [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 146 215) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L444 ceAbstractionStarter]: At program point L198-2(lines 198 203) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 161) no Hoare annotation was computed. [2018-12-09 00:37:24,075 INFO L444 ceAbstractionStarter]: At program point L157-2(lines 157 161) the Hoare annotation is: (and (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_10)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= ((_ extract 63 32) v_prenex_10) __ieee754_acos_~hx~0)))) [2018-12-09 00:37:24,075 INFO L448 ceAbstractionStarter]: For program point L157-3(lines 155 169) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 214) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 214) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 172) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 166) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 00:37:24,076 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:37:24,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:37:24,076 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-12-09 00:37:24,077 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 217 233) the Hoare annotation is: true [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 217 233) no Hoare annotation was computed. [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 217 233) no Hoare annotation was computed. [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2018-12-09 00:37:24,077 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= .cse1 main_~x~0))) [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2018-12-09 00:37:24,077 INFO L448 ceAbstractionStarter]: For program point L227-1(lines 227 230) no Hoare annotation was computed. [2018-12-09 00:37:24,084 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,085 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,086 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,087 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,087 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,087 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,090 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:37:24 BoogieIcfgContainer [2018-12-09 00:37:24,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:37:24,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:37:24,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:37:24,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:37:24,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:39" (3/4) ... [2018-12-09 00:37:24,095 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:37:24,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-09 00:37:24,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 00:37:24,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:37:24,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-09 00:37:24,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:37:24,103 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 00:37:24,103 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 00:37:24,103 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:37:24,103 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:37:24,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 00:37:24,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) [2018-12-09 00:37:24,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x [2018-12-09 00:37:24,141 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebc3f696-dfa7-4c0c-b0e6-95c9c7b54fa5/bin-2019/uautomizer/witness.graphml [2018-12-09 00:37:24,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:37:24,141 INFO L168 Benchmark]: Toolchain (without parser) took 118421.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 815.0 MB in the end (delta: 129.7 MB). Peak memory consumption was 258.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,142 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:37:24,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.74 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 921.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,142 INFO L168 Benchmark]: Boogie Preprocessor took 29.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,142 INFO L168 Benchmark]: RCFGBuilder took 13986.79 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,143 INFO L168 Benchmark]: TraceAbstraction took 104103.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 821.8 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,143 INFO L168 Benchmark]: Witness Printer took 48.69 ms. Allocated memory is still 1.2 GB. Free memory was 821.8 MB in the beginning and 815.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:37:24,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.74 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 921.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13986.79 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 104103.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 821.8 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.69 ms. Allocated memory is still 1.2 GB. Free memory was 821.8 MB in the beginning and 815.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 00:37:24,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) - InvariantResult [Line: 198]: Loop Invariant [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,149 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,150 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 00:37:24,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 82 locations, 1 error locations. SAFE Result, 104.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 64.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 525 SDtfs, 160 SDslu, 2135 SDs, 0 SdLazy, 201 SolverSat, 7 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 45.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 233 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 30.4s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 20800 SizeOfPredicates, 21 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...