./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ........................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:34:11,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:34:11,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:34:12,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:34:12,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:34:12,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:34:12,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:34:12,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:34:12,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:34:12,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:34:12,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:34:12,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:34:12,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:34:12,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:34:12,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:34:12,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:34:12,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:34:12,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:34:12,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:34:12,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:34:12,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:34:12,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:34:12,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:34:12,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:34:12,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:34:12,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:34:12,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:34:12,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:34:12,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:34:12,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:34:12,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:34:12,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:34:12,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:34:12,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:34:12,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:34:12,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:34:12,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:34:12,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:34:12,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:34:12,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:34:12,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:34:12,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:34:12,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:34:12,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:34:12,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:34:12,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:34:12,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:34:12,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:34:12,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:34:12,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:34:12,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:34:12,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:34:12,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:34:12,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:34:12,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:34:12,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2019-12-07 15:34:12,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:34:12,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:34:12,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:34:12,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:34:12,174 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:34:12,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-12-07 15:34:12,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/acf5b5f6a/38d559d8247a4d318c70850639147085/FLAG03d3c378a [2019-12-07 15:34:12,646 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:34:12,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-12-07 15:34:12,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/acf5b5f6a/38d559d8247a4d318c70850639147085/FLAG03d3c378a [2019-12-07 15:34:12,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/acf5b5f6a/38d559d8247a4d318c70850639147085 [2019-12-07 15:34:12,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:34:12,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:34:12,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:12,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:34:12,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:34:12,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3a36ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12, skipping insertion in model container [2019-12-07 15:34:12,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:34:12,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:34:12,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:12,820 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:34:12,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:12,847 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:34:12,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12 WrapperNode [2019-12-07 15:34:12,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:12,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:12,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:34:12,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:34:12,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:12,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:34:12,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:34:12,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:34:12,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... [2019-12-07 15:34:12,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:34:12,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:34:12,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:34:12,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:34:12,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 [2019-12-07 15:34:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:34:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:34:13,042 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:34:13,042 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 15:34:13,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:13 BoogieIcfgContainer [2019-12-07 15:34:13,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:34:13,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:34:13,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:34:13,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:34:13,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:34:12" (1/3) ... [2019-12-07 15:34:13,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e04445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:13, skipping insertion in model container [2019-12-07 15:34:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:12" (2/3) ... [2019-12-07 15:34:13,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e04445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:13, skipping insertion in model container [2019-12-07 15:34:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:13" (3/3) ... [2019-12-07 15:34:13,048 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2019-12-07 15:34:13,054 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:34:13,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:34:13,065 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:34:13,079 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:34:13,079 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:34:13,079 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:34:13,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:34:13,079 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:34:13,079 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:34:13,079 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:34:13,079 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:34:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 15:34:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:34:13,091 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:34:13,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:34:13,092 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:34:13,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:34:13,096 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-12-07 15:34:13,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:34:13,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427042640] [2019-12-07 15:34:13,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:34:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:34:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:34:13,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:34:13,200 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:34:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:34:13 BoogieIcfgContainer [2019-12-07 15:34:13,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:34:13,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:34:13,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:34:13,215 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:34:13,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:13" (3/4) ... [2019-12-07 15:34:13,217 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:34:13,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:34:13,219 INFO L168 Benchmark]: Toolchain (without parser) took 556.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 942.5 MB in the beginning and 1.0 GB in the end (delta: -106.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:13,220 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:13,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:13,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:13,221 INFO L168 Benchmark]: Boogie Preprocessor took 14.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:13,221 INFO L168 Benchmark]: RCFGBuilder took 157.50 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:13,222 INFO L168 Benchmark]: TraceAbstraction took 170.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:13,222 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:13,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.50 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 170.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 17. Possible FailurePath: [L40] float a,r; [L42] a = __VERIFIER_nondet_float() [L17] float xhalf = 0.5f*x; [L18] union float_int i; [L19] i.f = x [L20] EXPR i.i [L20] i.i = 0x5f3759df - (i.i>>1) [L21] EXPR i.f [L21] x = i.f [L22] x = x*(1.5f-xhalf*x*x) [L23] return x; [L23] return x; [L45] r = InvSqrt(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-12-07 15:34:14,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:34:14,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:34:14,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:34:14,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:34:14,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:34:14,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:34:14,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:34:14,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:34:14,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:34:14,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:34:14,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:34:14,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:34:14,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:34:14,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:34:14,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:34:14,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:34:14,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:34:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:34:14,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:34:14,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:34:14,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:34:14,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:34:14,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:34:14,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:34:14,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:34:14,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:34:14,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:34:14,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:34:14,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:34:14,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:34:14,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:34:14,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:34:14,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:34:14,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:34:14,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:34:14,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:34:14,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:34:14,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:34:14,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:34:14,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:34:14,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 15:34:14,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:34:14,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:34:14,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:34:14,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:34:14,572 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:34:14,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:34:14,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:34:14,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:34:14,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:34:14,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:34:14,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:34:14,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:34:14,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:34:14,576 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2019-12-07 15:34:14,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:34:14,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:34:14,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:34:14,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:34:14,772 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:34:14,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-12-07 15:34:14,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/15e802578/b7fda1d1a1c6420eab89086e39641509/FLAG6be44dc77 [2019-12-07 15:34:15,167 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:34:15,167 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-12-07 15:34:15,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/15e802578/b7fda1d1a1c6420eab89086e39641509/FLAG6be44dc77 [2019-12-07 15:34:15,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/uautomizer/data/15e802578/b7fda1d1a1c6420eab89086e39641509 [2019-12-07 15:34:15,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:34:15,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:34:15,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:15,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:34:15,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:34:15,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@faaa545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15, skipping insertion in model container [2019-12-07 15:34:15,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:34:15,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:34:15,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:15,311 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:34:15,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:15,343 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:34:15,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15 WrapperNode [2019-12-07 15:34:15,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:15,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:15,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:34:15,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:34:15,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:15,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:34:15,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:34:15,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:34:15,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... [2019-12-07 15:34:15,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:34:15,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:34:15,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:34:15,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:34:15,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 [2019-12-07 15:34:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:34:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 15:34:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:34:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:34:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:34:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 15:34:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:34:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:34:17,643 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:34:17,643 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 15:34:17,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:17 BoogieIcfgContainer [2019-12-07 15:34:17,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:34:17,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:34:17,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:34:17,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:34:17,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:34:15" (1/3) ... [2019-12-07 15:34:17,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102776fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:17, skipping insertion in model container [2019-12-07 15:34:17,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:15" (2/3) ... [2019-12-07 15:34:17,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102776fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:17, skipping insertion in model container [2019-12-07 15:34:17,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:17" (3/3) ... [2019-12-07 15:34:17,651 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2019-12-07 15:34:17,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:34:17,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:34:17,673 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:34:17,688 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:34:17,688 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:34:17,688 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:34:17,688 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:34:17,688 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:34:17,689 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:34:17,689 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:34:17,689 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:34:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 15:34:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:34:17,702 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:34:17,703 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:34:17,703 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:34:17,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:34:17,707 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-12-07 15:34:17,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:34:17,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331625778] [2019-12-07 15:34:17,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b7291e8-5da2-44b8-aadf-14835578266f/bin/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 [2019-12-07 15:34:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:34:18,728 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:34:18,733 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:34:20,788 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 100.0)) (= (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) |c_ULTIMATE.start_InvSqrt_#res|) (fp.geq .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 15:34:20,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:34:22,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:34:37,133 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (let ((.cse0 (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse2) .cse2)))))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))))))) (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven .cse5 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse5) .cse5)))) (_ +zero 8 24)))))) .cse7) (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse8 (let ((.cse10 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse8 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse9) .cse8) .cse8))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.leq .cse9 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse9 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) .cse7))) is different from false [2019-12-07 15:34:47,362 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4)))) (_ +zero 8 24))))))) is different from false [2019-12-07 15:34:49,394 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4)))) (_ +zero 8 24))))))) is different from true [2019-12-07 15:34:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:34:49,398 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:34:49,795 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-12-07 15:34:49,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:34:51,829 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.leq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul c_currentRoundingMode .cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24)) (not (fp.leq .cse4 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0)))))))) is different from false [2019-12-07 15:34:53,903 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.leq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul c_currentRoundingMode .cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24)) (not (fp.leq .cse4 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0)))))))) is different from true [2019-12-07 15:34:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:34:53,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331625778] [2019-12-07 15:34:53,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:34:53,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-12-07 15:34:53,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786407484] [2019-12-07 15:34:53,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:34:53,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:34:53,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:34:53,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=6, NotChecked=36, Total=72 [2019-12-07 15:34:53,922 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 9 states. [2019-12-07 15:34:56,013 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.leq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul c_currentRoundingMode .cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24)) (not (fp.leq .cse4 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 15:34:58,081 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.leq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (or (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul c_currentRoundingMode .cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24)) (not (fp.leq .cse4 ((_ to_fp 8 24) c_currentRoundingMode 100.0))) (not (fp.geq .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 15:35:00,122 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq |c_ULTIMATE.start_InvSqrt_#res| (_ +zero 8 24)) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 100.0)) (= (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) |c_ULTIMATE.start_InvSqrt_#res|) (fp.geq .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0)))))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_InvSqrt_#res|) ((_ to_fp 11 53) c_currentRoundingMode 10.0))) is different from false [2019-12-07 15:35:02,193 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (and (or (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (let ((.cse0 (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse2) .cse2)))))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))))))) (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven .cse5 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse5) .cse5)))) (_ +zero 8 24)))))) .cse7) (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse8 (let ((.cse10 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse8 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse9) .cse8) .cse8))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.leq .cse9 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse9 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) .cse7)) (not .cse7))) is different from false [2019-12-07 15:35:02,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:35:02,201 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-12-07 15:35:02,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:35:02,202 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 5 [2019-12-07 15:35:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:35:02,208 INFO L225 Difference]: With dead ends: 14 [2019-12-07 15:35:02,208 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:35:02,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=21, Invalid=17, Unknown=10, NotChecked=84, Total=132 [2019-12-07 15:35:02,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:35:02,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:35:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:35:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:35:02,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-12-07 15:35:02,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:35:02,230 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:35:02,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:35:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:35:02,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:35:02,431 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:35:02,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:35:20,989 WARN L192 SmtUtils]: Spent 18.50 s on a formula simplification that was a NOOP. DAG size: 43 [2019-12-07 15:35:20,991 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:35:20,991 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:35:20,991 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:35:20,991 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:35:20,992 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-12-07 15:35:20,992 INFO L242 CegarLoopResult]: At program point L23(lines 15 24) the Hoare annotation is: (and (fp.geq |ULTIMATE.start_InvSqrt_#res| (_ +zero 8 24)) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (and (fp.leq .cse0 ((_ to_fp 8 24) currentRoundingMode 100.0)) (= (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul currentRoundingMode .cse1 (fp.sub currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 3.0 2.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) |ULTIMATE.start_InvSqrt_#res|) (fp.geq .cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 10.0)))))) (= currentRoundingMode roundNearestTiesToEven) (fp.leq ((_ to_fp 11 53) currentRoundingMode |ULTIMATE.start_InvSqrt_#res|) ((_ to_fp 11 53) currentRoundingMode 10.0))) [2019-12-07 15:35:20,992 INFO L249 CegarLoopResult]: At program point L48(lines 38 49) the Hoare annotation is: true [2019-12-07 15:35:20,992 INFO L246 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2019-12-07 15:35:20,993 INFO L246 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2019-12-07 15:35:20,993 INFO L249 CegarLoopResult]: At program point L8-3(line 8) the Hoare annotation is: true [2019-12-07 15:35:20,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 15:35:21,002 INFO L168 Benchmark]: Toolchain (without parser) took 65819.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:21,003 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:35:21,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 941.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:21,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:21,004 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:35:21,005 INFO L168 Benchmark]: RCFGBuilder took 2223.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:21,005 INFO L168 Benchmark]: TraceAbstraction took 63355.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:21,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 941.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2223.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 63355.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...