./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 0.1.24-678e011 [2019-11-20 11:10:13,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:10:13,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:10:13,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:10:13,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:10:13,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:10:13,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:10:13,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:10:13,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:10:13,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:10:13,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:10:13,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:10:13,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:10:13,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:10:13,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:10:13,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:10:13,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:10:13,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:10:13,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:10:13,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:10:13,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:10:13,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:10:13,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:10:13,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:10:13,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:10:13,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:10:13,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:10:13,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:10:13,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:10:13,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:10:13,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:10:13,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:10:13,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:10:13,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:10:13,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:10:13,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:10:13,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:10:13,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:10:13,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:10:13,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:10:13,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:10:13,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 11:10:13,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:10:13,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:10:13,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:10:13,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:10:13,238 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:10:13,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:10:13,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:10:13,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:10:13,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:10:13,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:10:13,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:10:13,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:10:13,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:10:13,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:10:13,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:10:13,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:10:13,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:10:13,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:10:13,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:10:13,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:10:13,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:10:13,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:10:13,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:10:13,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:10:13,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:10:13,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:10:13,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:10:13,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:10:13,243 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_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 [2019-11-20 11:10:13,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:10:13,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:10:13,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:10:13,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:10:13,408 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:10:13,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-20 11:10:13,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/9702d6509/2fdf96a8f12e407f9ecada729494f34f/FLAG4a2aa2f1d [2019-11-20 11:10:13,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:10:13,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-20 11:10:13,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/9702d6509/2fdf96a8f12e407f9ecada729494f34f/FLAG4a2aa2f1d [2019-11-20 11:10:13,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/9702d6509/2fdf96a8f12e407f9ecada729494f34f [2019-11-20 11:10:13,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:10:13,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:10:13,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:13,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:10:13,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:10:13,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:13" (1/1) ... [2019-11-20 11:10:13,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9d64dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:13, skipping insertion in model container [2019-11-20 11:10:13,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:13" (1/1) ... [2019-11-20 11:10:13,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:10:13,944 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:10:14,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:14,101 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:10:14,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:14,234 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:10:14,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14 WrapperNode [2019-11-20 11:10:14,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:14,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:14,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:10:14,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:10:14,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:14,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:10:14,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:10:14,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:10:14,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... [2019-11-20 11:10:14,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:10:14,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:10:14,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:10:14,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:10:14,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 [2019-11-20 11:10:14,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:10:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 11:10:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:10:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 11:10:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:10:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:10:14,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:10:14,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:10:14,651 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:10:14,651 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 11:10:14,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:14 BoogieIcfgContainer [2019-11-20 11:10:14,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:10:14,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:10:14,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:10:14,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:10:14,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:10:13" (1/3) ... [2019-11-20 11:10:14,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298bf6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:14, skipping insertion in model container [2019-11-20 11:10:14,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:14" (2/3) ... [2019-11-20 11:10:14,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298bf6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:14, skipping insertion in model container [2019-11-20 11:10:14,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:14" (3/3) ... [2019-11-20 11:10:14,661 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2019-11-20 11:10:14,673 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:10:14,683 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:10:14,711 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:10:14,738 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:10:14,739 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:10:14,739 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:10:14,739 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:10:14,740 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:10:14,740 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:10:14,740 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:10:14,740 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:10:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 11:10:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 11:10:14,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:14,768 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 11:10:14,769 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:14,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:14,778 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-11-20 11:10:14,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:14,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811442020] [2019-11-20 11:10:14,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:10:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:10:14,954 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:10:14,955 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 11:10:14,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:10:14 BoogieIcfgContainer [2019-11-20 11:10:14,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:10:14,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:10:14,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:10:14,980 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:10:14,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:14" (3/4) ... [2019-11-20 11:10:14,984 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 11:10:14,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:10:14,987 INFO L168 Benchmark]: Toolchain (without parser) took 1082.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:10:14,987 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:10:14,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:14,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:10:14,990 INFO L168 Benchmark]: Boogie Preprocessor took 23.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:10:14,991 INFO L168 Benchmark]: RCFGBuilder took 345.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:14,992 INFO L168 Benchmark]: TraceAbstraction took 325.79 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:14,993 INFO L168 Benchmark]: Witness Printer took 4.64 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. [2019-11-20 11:10:14,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 325.79 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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: 0.2s, 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 0.1.24-678e011 [2019-11-20 11:10:17,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:10:17,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:10:17,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:10:17,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:10:17,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:10:17,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:10:17,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:10:17,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:10:17,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:10:17,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:10:17,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:10:17,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:10:17,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:10:17,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:10:17,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:10:17,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:10:17,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:10:17,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:10:17,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:10:17,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:10:17,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:10:17,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:10:17,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:10:17,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:10:17,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:10:17,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:10:17,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:10:17,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:10:17,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:10:17,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:10:17,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:10:17,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:10:17,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:10:17,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:10:17,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:10:17,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:10:17,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:10:17,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:10:17,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:10:17,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:10:17,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 11:10:17,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:10:17,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:10:17,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:10:17,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:10:17,139 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:10:17,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:10:17,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:10:17,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:10:17,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:10:17,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:10:17,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:10:17,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:10:17,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:10:17,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:10:17,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:10:17,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:10:17,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:10:17,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:10:17,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:10:17,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:10:17,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:10:17,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:10:17,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:10:17,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:10:17,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:10:17,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:10:17,147 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 11:10:17,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:10:17,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:10:17,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:10:17,148 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_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 [2019-11-20 11:10:17,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:10:17,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:10:17,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:10:17,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:10:17,448 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:10:17,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-20 11:10:17,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/e90f8b7e0/cdb10420202b411297066f4b458b7404/FLAG174ca5071 [2019-11-20 11:10:17,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:10:17,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2019-11-20 11:10:17,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/e90f8b7e0/cdb10420202b411297066f4b458b7404/FLAG174ca5071 [2019-11-20 11:10:18,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/bin/uautomizer/data/e90f8b7e0/cdb10420202b411297066f4b458b7404 [2019-11-20 11:10:18,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:10:18,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:10:18,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:18,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:10:18,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:10:18,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f8948b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18, skipping insertion in model container [2019-11-20 11:10:18,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:10:18,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:10:18,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:18,584 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:10:18,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:18,634 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:10:18,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18 WrapperNode [2019-11-20 11:10:18,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:18,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:18,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:10:18,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:10:18,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:18,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:10:18,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:10:18,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:10:18,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... [2019-11-20 11:10:18,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:10:18,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:10:18,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:10:18,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:10:18,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 [2019-11-20 11:10:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 11:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 11:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:10:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:10:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 11:10:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:10:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 11:10:21,101 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:10:21,101 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 11:10:21,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:21 BoogieIcfgContainer [2019-11-20 11:10:21,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:10:21,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:10:21,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:10:21,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:10:21,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:10:18" (1/3) ... [2019-11-20 11:10:21,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725297cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:21, skipping insertion in model container [2019-11-20 11:10:21,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:18" (2/3) ... [2019-11-20 11:10:21,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725297cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:21, skipping insertion in model container [2019-11-20 11:10:21,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:21" (3/3) ... [2019-11-20 11:10:21,117 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2019-11-20 11:10:21,126 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:10:21,139 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:10:21,165 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:10:21,216 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:10:21,216 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:10:21,216 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:10:21,216 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:10:21,217 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:10:21,217 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:10:21,217 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:10:21,217 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:10:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 11:10:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 11:10:21,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:21,236 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 11:10:21,237 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:21,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:21,247 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-11-20 11:10:21,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:10:21,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200345076] [2019-11-20 11:10:21,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ba4b321-a2e9-49f1-bf2a-627c2e521d49/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 [2019-11-20 11:10:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:23,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 11:10:23,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:10:25,082 WARN L838 $PredicateComparison]: unable to prove that (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|)))) (and (= |c_ULTIMATE.start_InvSqrt_#res| (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 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))))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) is different from false [2019-11-20 11:10:27,123 WARN L860 $PredicateComparison]: unable to prove that (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|)))) (and (= |c_ULTIMATE.start_InvSqrt_#res| (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 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))))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) is different from true [2019-11-20 11:10:27,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:10:31,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:10:43,553 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 [2019-11-20 11:10:53,834 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 [2019-11-20 11:10:55,879 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 [2019-11-20 11:10:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:10:55,884 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:10:56,257 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-11-20 11:10:58,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:11:08,525 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.geq (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 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)))) (_ +zero 8 24)) (not (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (not (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)))))) (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.leq ((_ to_fp 11 53) roundNearestTiesToEven (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 roundNearestTiesToEven .cse3 (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) .cse3) .cse3))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (not (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (not (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))))) is different from false [2019-11-20 11:11:10,607 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.geq (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 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)))) (_ +zero 8 24)) (not (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (not (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)))))) (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.leq ((_ to_fp 11 53) roundNearestTiesToEven (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 roundNearestTiesToEven .cse3 (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) .cse3) .cse3))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (not (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (not (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))))) is different from true [2019-11-20 11:11:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:11:10,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200345076] [2019-11-20 11:11:10,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:11:10,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-11-20 11:11:10,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930213501] [2019-11-20 11:11:10,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 11:11:10,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:11:10,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 11:11:10,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=8, Unknown=7, NotChecked=28, Total=56 [2019-11-20 11:11:10,637 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 8 states. [2019-11-20 11:11:12,710 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 ((.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|)))) (and (= |c_ULTIMATE.start_InvSqrt_#res| (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 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))))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven |c_ULTIMATE.start_InvSqrt_#res|) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) is different from false [2019-11-20 11:11:14,752 WARN L860 $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 ((.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|)))) (and (= |c_ULTIMATE.start_InvSqrt_#res| (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 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))))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven |c_ULTIMATE.start_InvSqrt_#res|) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) is different from true [2019-11-20 11:11:16,837 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 [2019-11-20 11:11:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:11:16,845 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-11-20 11:11:16,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 11:11:16,847 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 5 [2019-11-20 11:11:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:11:16,855 INFO L225 Difference]: With dead ends: 14 [2019-11-20 11:11:16,855 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 11:11:16,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=17, Invalid=9, Unknown=10, NotChecked=54, Total=90 [2019-11-20 11:11:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 11:11:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 11:11:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 11:11:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 11:11:16,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 11:11:16,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:11:16,888 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:11:16,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 11:11:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 11:11:16,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:11:17,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 11:11:17,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 11:11:31,638 WARN L191 SmtUtils]: Spent 14.50 s on a formula simplification that was a NOOP. DAG size: 41 [2019-11-20 11:11:31,640 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 11:11:31,640 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 11:11:31,640 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 11:11:31,641 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 11:11:31,641 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 11:11:31,641 INFO L440 ceAbstractionStarter]: 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 ((.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|)))) (and (= |ULTIMATE.start_InvSqrt_#res| (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 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))))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_InvSqrt_#res|) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) [2019-11-20 11:11:31,642 INFO L447 ceAbstractionStarter]: At program point L48(lines 38 49) the Hoare annotation is: true [2019-11-20 11:11:31,642 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-20 11:11:31,642 INFO L444 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2019-11-20 11:11:31,643 INFO L447 ceAbstractionStarter]: At program point L8-3(line 8) the Hoare annotation is: true [2019-11-20 11:11:31,650 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:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-20 11:11:31,655 INFO L168 Benchmark]: Toolchain (without parser) took 73299.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -87.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:11:31,656 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-20 11:11:31,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.77 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:11:31,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:11:31,659 INFO L168 Benchmark]: Boogie Preprocessor took 34.35 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. [2019-11-20 11:11:31,660 INFO L168 Benchmark]: RCFGBuilder took 2340.25 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:11:31,660 INFO L168 Benchmark]: TraceAbstraction took 70550.49 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:11:31,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 275.77 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2340.25 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70550.49 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: 40.8 MB). Peak memory consumption was 40.8 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...