./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97ac2503801a101f5a44ae44e4a77e81fa872959 ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97ac2503801a101f5a44ae44e4a77e81fa872959 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-10-27 00:34:13,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:34:13,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:34:13,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:34:13,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:34:13,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:34:13,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:34:13,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:34:13,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:34:13,312 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:34:13,313 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:34:13,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:34:13,314 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:34:13,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:34:13,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:34:13,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:34:13,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:34:13,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:34:13,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:34:13,324 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:34:13,325 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:34:13,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:34:13,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:34:13,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:34:13,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:34:13,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:34:13,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:34:13,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:34:13,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:34:13,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:34:13,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:34:13,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:34:13,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:34:13,336 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:34:13,337 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:34:13,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:34:13,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 00:34:13,351 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:34:13,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:34:13,352 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:34:13,353 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:34:13,353 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:34:13,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:34:13,353 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:34:13,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:34:13,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:34:13,354 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:34:13,354 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:34:13,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:34:13,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:34:13,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:34:13,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:34:13,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:34:13,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:34:13,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:34:13,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:34:13,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:34:13,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:34:13,358 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:34:13,358 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:34:13,358 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:34:13,358 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:34:13,359 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:34:13,359 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:34:13,359 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:34:13,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:34:13,359 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2018-10-27 00:34:13,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:34:13,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:34:13,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:34:13,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:34:13,408 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:34:13,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:13,467 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/f485ac232/655f6401271645c499d71bbb8cac1249/FLAGfe73242f0 [2018-10-27 00:34:13,842 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:34:13,843 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:13,854 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/f485ac232/655f6401271645c499d71bbb8cac1249/FLAGfe73242f0 [2018-10-27 00:34:13,867 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/f485ac232/655f6401271645c499d71bbb8cac1249 [2018-10-27 00:34:13,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:34:13,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:34:13,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:34:13,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:34:13,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:34:13,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:34:13" (1/1) ... [2018-10-27 00:34:13,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b7c699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:13, skipping insertion in model container [2018-10-27 00:34:13,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:34:13" (1/1) ... [2018-10-27 00:34:13,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:34:13,912 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:34:14,078 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:34:14,082 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:34:14,106 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:34:14,128 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:34:14,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14 WrapperNode [2018-10-27 00:34:14,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:34:14,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:34:14,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:34:14,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:34:14,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... [2018-10-27 00:34:14,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:34:14,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:34:14,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:34:14,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:34:14,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:34:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:34:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:34:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:34:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:34:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:34:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:34:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-27 00:34:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 00:34:14,831 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:34:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:14 BoogieIcfgContainer [2018-10-27 00:34:14,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:34:14,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:34:14,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:34:14,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:34:14,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:34:13" (1/3) ... [2018-10-27 00:34:14,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721899e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:34:14, skipping insertion in model container [2018-10-27 00:34:14,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:14" (2/3) ... [2018-10-27 00:34:14,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721899e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:34:14, skipping insertion in model container [2018-10-27 00:34:14,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:14" (3/3) ... [2018-10-27 00:34:14,844 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:14,854 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:34:14,863 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:34:14,890 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:34:14,926 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:34:14,927 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:34:14,927 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:34:14,927 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:34:14,927 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:34:14,928 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:34:14,928 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:34:14,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:34:14,929 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:34:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-10-27 00:34:14,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:34:14,956 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:14,957 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:14,959 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:14,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 57370181, now seen corresponding path program 1 times [2018-10-27 00:34:14,971 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:34:14,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:34:15,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:15,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:15,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:15,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:15,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:34:15,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:34:15,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:34:15,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:34:15,331 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 4 states. [2018-10-27 00:34:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:15,442 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-10-27 00:34:15,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:34:15,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-27 00:34:15,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:15,453 INFO L225 Difference]: With dead ends: 45 [2018-10-27 00:34:15,453 INFO L226 Difference]: Without dead ends: 25 [2018-10-27 00:34:15,456 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:34:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-27 00:34:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-10-27 00:34:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-27 00:34:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-10-27 00:34:15,488 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-10-27 00:34:15,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:15,489 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-10-27 00:34:15,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:34:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-10-27 00:34:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:34:15,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:15,490 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:15,490 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:15,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:15,491 INFO L82 PathProgramCache]: Analyzing trace with hash 76287466, now seen corresponding path program 1 times [2018-10-27 00:34:15,491 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:34:15,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:34:15,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:15,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:15,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:34:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:34:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:34:15,566 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:34:15,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:34:15 BoogieIcfgContainer [2018-10-27 00:34:15,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:34:15,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:34:15,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:34:15,612 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:34:15,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:14" (3/4) ... [2018-10-27 00:34:15,616 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:34:15,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:34:15,617 INFO L168 Benchmark]: Toolchain (without parser) took 1745.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:15,619 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:15,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:15,620 INFO L168 Benchmark]: Boogie Preprocessor took 64.44 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:15,621 INFO L168 Benchmark]: RCFGBuilder took 638.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:15,622 INFO L168 Benchmark]: TraceAbstraction took 778.13 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:15,622 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:15,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.44 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 638.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 778.13 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.10 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: 54]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37. Possible FailurePath: [L1] int __return_main; [L12] float __return_72; [L13] int __return_87; VAL [\old(__return_72)=1597463012, \old(__return_87)=1597463009, \old(__return_main)=1597463011, __return_72=0, __return_87=0, __return_main=0] [L16] float main__a; [L17] float main__r; [L18] main__a = __VERIFIER_nondet_float() [L19] int main____CPAchecker_TMP_0; VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, main__a=1597463015] [L20] COND TRUE main__a >= 0.10000000149011612 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, main__a=1597463015] [L22] COND TRUE main__a <= 100.0 [L24] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, main____CPAchecker_TMP_0=1, main__a=1597463015] [L25] COND TRUE main____CPAchecker_TMP_0 != 0 [L28] float __tmp_1; [L29] __tmp_1 = main__a [L30] float InvSqrt__x; [L31] InvSqrt__x = __tmp_1 [L32] float InvSqrt__xhalf = 0.5 * InvSqrt__x; VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L33] FCALL union float_int InvSqrt__i; VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L34] FCALL InvSqrt__i.f = InvSqrt__x VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L35] EXPR, FCALL InvSqrt__i.i VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__i.i=0, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L35] FCALL InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__i.i=0, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L36] EXPR, FCALL InvSqrt__i.f VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__i.f=1597463015, InvSqrt__x=1597463015, main____CPAchecker_TMP_0=1, main__a=1597463015] [L36] InvSqrt__x = InvSqrt__i.f VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=0, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__i.f=1597463015, InvSqrt__x=1597463015, InvSqrt__x = InvSqrt__i.f=1597463016, main____CPAchecker_TMP_0=1, main__a=1597463015] [L37] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L38] __return_72 = InvSqrt__x [L39] main__r = __return_72 [L40] int main____CPAchecker_TMP_1; VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main__a=1597463015, main__r=1597463013] [L41] COND FALSE !(main__r >= 0.0) VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main__a=1597463015, main__r=1597463013] [L67] main____CPAchecker_TMP_1 = 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463015, main__r=1597463013] [L48] int __tmp_2; [L49] __tmp_2 = main____CPAchecker_TMP_1 [L50] int __VERIFIER_assert__cond; [L51] __VERIFIER_assert__cond = __tmp_2 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463015, main__r=1597463013] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463015, main__r=1597463013] [L54] __VERIFIER_error() VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=1597463013, __return_87=0, __return_main=0, __tmp_1=1597463015, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={1597463010:0}, InvSqrt__x=1597463013, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=1597463015, main__r=1597463013] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 33 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 9 SDslu, 65 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:34:17,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:34:17,877 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:34:17,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:34:17,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:34:17,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:34:17,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:34:17,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:34:17,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:34:17,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:34:17,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:34:17,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:34:17,902 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:34:17,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:34:17,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:34:17,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:34:17,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:34:17,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:34:17,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:34:17,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:34:17,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:34:17,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:34:17,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:34:17,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:34:17,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:34:17,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:34:17,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:34:17,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:34:17,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:34:17,934 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:34:17,934 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:34:17,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:34:17,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:34:17,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:34:17,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:34:17,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:34:17,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 00:34:17,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:34:17,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:34:17,957 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:34:17,957 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:34:17,958 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:34:17,958 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:34:17,958 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:34:17,959 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:34:17,959 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:34:17,960 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:34:17,960 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:34:17,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:34:17,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:34:17,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:34:17,968 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:34:17,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:34:17,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:34:17,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:34:17,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:34:17,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:34:17,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:34:17,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:34:17,970 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 00:34:17,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:34:17,970 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:34:17,970 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:34:17,971 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2018-10-27 00:34:18,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:34:18,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:34:18,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:34:18,039 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:34:18,039 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:34:18,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:18,112 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/09556058b/69cb8facd8e9489d8e17cb9c9eb2de70/FLAG53b3ab7e6 [2018-10-27 00:34:18,503 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:34:18,504 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:18,510 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/09556058b/69cb8facd8e9489d8e17cb9c9eb2de70/FLAG53b3ab7e6 [2018-10-27 00:34:18,524 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/data/09556058b/69cb8facd8e9489d8e17cb9c9eb2de70 [2018-10-27 00:34:18,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:34:18,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:34:18,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:34:18,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:34:18,541 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:34:18,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544d643c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18, skipping insertion in model container [2018-10-27 00:34:18,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:34:18,588 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:34:18,804 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:34:18,810 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:34:18,843 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:34:18,875 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:34:18,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18 WrapperNode [2018-10-27 00:34:18,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:34:18,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:34:18,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:34:18,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:34:18,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... [2018-10-27 00:34:18,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:34:18,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:34:18,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:34:18,920 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:34:18,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:34:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:34:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:34:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:34:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:34:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:34:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:34:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-27 00:34:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-27 00:34:20,881 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:34:23,738 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:34:23,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:23 BoogieIcfgContainer [2018-10-27 00:34:23,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:34:23,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:34:23,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:34:23,742 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:34:23,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:34:18" (1/3) ... [2018-10-27 00:34:23,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcf28f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:34:23, skipping insertion in model container [2018-10-27 00:34:23,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:18" (2/3) ... [2018-10-27 00:34:23,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcf28f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:34:23, skipping insertion in model container [2018-10-27 00:34:23,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:23" (3/3) ... [2018-10-27 00:34:23,751 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-27 00:34:23,762 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:34:23,770 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:34:23,785 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:34:23,813 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:34:23,814 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:34:23,815 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:34:23,815 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:34:23,815 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:34:23,815 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:34:23,815 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:34:23,816 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:34:23,816 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:34:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-10-27 00:34:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:34:23,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:23,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:23,843 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:23,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:23,848 INFO L82 PathProgramCache]: Analyzing trace with hash 57370181, now seen corresponding path program 1 times [2018-10-27 00:34:23,852 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:34:23,853 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-27 00:34:23,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:24,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:34:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:24,599 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:34:24,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:34:24,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:34:24,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:34:24,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:34:24,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:34:24,635 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 4 states. [2018-10-27 00:34:27,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:34:27,002 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-10-27 00:34:27,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:34:27,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-27 00:34:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:34:27,015 INFO L225 Difference]: With dead ends: 45 [2018-10-27 00:34:27,015 INFO L226 Difference]: Without dead ends: 25 [2018-10-27 00:34:27,019 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:34:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-27 00:34:27,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-10-27 00:34:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-27 00:34:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-10-27 00:34:27,057 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-10-27 00:34:27,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:34:27,058 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-10-27 00:34:27,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:34:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-10-27 00:34:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:34:27,059 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:34:27,059 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:34:27,059 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:34:27,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:27,060 INFO L82 PathProgramCache]: Analyzing trace with hash 76287466, now seen corresponding path program 1 times [2018-10-27 00:34:27,062 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:34:27,062 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-27 00:34:27,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:34:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:29,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:34:30,381 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-27 00:34:30,865 WARN L179 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 00:34:49,239 WARN L179 SmtUtils]: Spent 8.35 s on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:34:53,061 INFO L303 Elim1Store]: Index analysis took 3795 ms [2018-10-27 00:34:53,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:34:55,193 INFO L303 Elim1Store]: Index analysis took 2126 ms [2018-10-27 00:34:55,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:34:55,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:34:57,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:35:12,225 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:35:12,226 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:81 [2018-10-27 00:35:14,263 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) RNE (let ((.cse1 (select (select |c_#memory_int| |c_main_~#InvSqrt__i~0.base|) |c_main_~#InvSqrt__i~0.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (and (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)))) is different from false [2018-10-27 00:35:16,294 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) RNE (let ((.cse1 (select (select |c_#memory_int| |c_main_~#InvSqrt__i~0.base|) |c_main_~#InvSqrt__i~0.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (and (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)))) is different from true [2018-10-27 00:35:18,331 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_int| |c_main_~#InvSqrt__i~0.base|) |c_main_~#InvSqrt__i~0.offset|))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (and (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= |c_main_#t~mem1| .cse1) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0))))) is different from false [2018-10-27 00:35:21,477 INFO L303 Elim1Store]: Index analysis took 1193 ms [2018-10-27 00:35:21,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-10-27 00:35:23,770 INFO L303 Elim1Store]: Index analysis took 2289 ms [2018-10-27 00:35:23,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 56 [2018-10-27 00:35:23,774 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:35:39,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:35:53,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:35:53,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:56 [2018-10-27 00:36:08,886 WARN L179 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 31 [2018-10-27 00:36:10,773 INFO L303 Elim1Store]: Index analysis took 1876 ms [2018-10-27 00:36:10,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-10-27 00:36:12,478 INFO L303 Elim1Store]: Index analysis took 1702 ms [2018-10-27 00:36:12,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 36 [2018-10-27 00:36:12,480 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:36:16,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:36:25,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:36:25,406 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:77, output treesize:69 [2018-10-27 00:36:47,095 WARN L179 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 32 [2018-10-27 00:36:49,145 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~InvSqrt__x~0 (let ((.cse1 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0)))) is different from false [2018-10-27 00:36:51,373 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) is different from false [2018-10-27 00:36:53,503 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) is different from true [2018-10-27 00:36:59,913 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (not (fp.geq ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) is different from false [2018-10-27 00:37:02,035 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (not (fp.geq ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) is different from true [2018-10-27 00:37:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:37:14,867 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:37:14,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:37:14,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-27 00:37:14,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 00:37:14,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 00:37:14,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=16, Unknown=24, NotChecked=70, Total=132 [2018-10-27 00:37:14,890 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 12 states. [2018-10-27 00:37:45,329 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= (_ bv1597463007 32) (bvadd (bvashr v_arrayElimCell_3 (_ bv1 32)) (select (select |c_#memory_int| |c_main_~#InvSqrt__i~0.base|) |c_main_~#InvSqrt__i~0.offset|))) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0)))) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) c_main_~InvSqrt__xhalf~0) (= |c_main_#t~mem2| (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))))) is different from false [2018-10-27 00:37:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:37:45,432 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-10-27 00:37:45,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 00:37:45,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-10-27 00:37:45,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:37:45,434 INFO L225 Difference]: With dead ends: 30 [2018-10-27 00:37:45,434 INFO L226 Difference]: Without dead ends: 25 [2018-10-27 00:37:45,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 77.5s TimeCoverageRelationStatistics Valid=24, Invalid=17, Unknown=25, NotChecked=90, Total=156 [2018-10-27 00:37:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-27 00:37:45,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-10-27 00:37:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-27 00:37:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-10-27 00:37:45,439 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 23 [2018-10-27 00:37:45,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:37:45,439 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-10-27 00:37:45,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 00:37:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-10-27 00:37:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:37:45,440 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:37:45,441 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:37:45,441 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:37:45,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:37:45,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1790865783, now seen corresponding path program 1 times [2018-10-27 00:37:45,442 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:37:45,442 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef972e35-a47b-43c3-91fc-648107886d6d/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-27 00:37:45,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:37:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:37:46,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:37:46,990 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-27 00:37:47,793 WARN L179 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 00:38:07,502 WARN L179 SmtUtils]: Spent 9.84 s on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:38:10,433 INFO L303 Elim1Store]: Index analysis took 2926 ms [2018-10-27 00:38:10,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:38:11,432 INFO L303 Elim1Store]: Index analysis took 997 ms [2018-10-27 00:38:11,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:38:11,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:38:15,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:38:27,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:38:27,016 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:81 [2018-10-27 00:38:54,745 WARN L179 SmtUtils]: Spent 14.00 s on a formula simplification that was a NOOP. DAG size: 24 [2018-10-27 00:39:23,052 WARN L179 SmtUtils]: Spent 13.39 s on a formula simplification that was a NOOP. DAG size: 26 [2018-10-27 00:39:25,052 INFO L303 Elim1Store]: Index analysis took 1996 ms [2018-10-27 00:39:25,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-10-27 00:39:28,600 INFO L303 Elim1Store]: Index analysis took 3545 ms [2018-10-27 00:39:28,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 56 [2018-10-27 00:39:28,604 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:39:44,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:39:58,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:39:58,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:56 [2018-10-27 00:40:24,484 WARN L179 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 31 [2018-10-27 00:40:26,613 INFO L303 Elim1Store]: Index analysis took 2121 ms [2018-10-27 00:40:26,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-10-27 00:40:27,864 INFO L303 Elim1Store]: Index analysis took 1247 ms [2018-10-27 00:40:27,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 36 [2018-10-27 00:40:27,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:40:32,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:40:47,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:40:47,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:77, output treesize:69 [2018-10-27 00:40:49,605 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0) (= |c_main_#t~mem2| (let ((.cse1 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0)))))) is different from false [2018-10-27 00:41:19,412 WARN L179 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 32 [2018-10-27 00:41:21,561 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse1) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))))))) is different from false [2018-10-27 00:41:23,703 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse1) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))))))) is different from true [2018-10-27 00:41:25,855 WARN L832 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) RNE c_main_~main__r~0) (_ +zero 11 53)) (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse1) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))))))) is different from false [2018-10-27 00:41:28,597 WARN L854 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) RNE c_main_~main__r~0) (_ +zero 11 53)) (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) RNE (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse1) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))))))) is different from true [2018-10-27 00:41:35,074 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (let ((.cse1 ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse2) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse2) .cse2))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (not (fp.leq .cse1 ((_ to_fp 11 53) RNE 10.0))) (fp.geq .cse1 (_ +zero 11 53)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))))))) is different from false [2018-10-27 00:41:37,209 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (let ((.cse1 ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse2) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) .cse2) .cse2))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (not (fp.leq .cse1 ((_ to_fp 11 53) RNE 10.0))) (fp.geq .cse1 (_ +zero 11 53)) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))))))) is different from true [2018-10-27 00:41:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:41:50,196 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:41:50,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:41:50,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-27 00:41:50,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 00:41:50,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 00:41:50,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=23, Unknown=40, NotChecked=68, Total=156 [2018-10-27 00:41:50,212 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 13 states. [2018-10-27 00:42:09,042 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) RNE c_main_~main__a~0)) (.cse1 ((_ to_fp 11 53) RNE 100.0)) (.cse3 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (.cse0 ((_ to_fp 11 53) RNE c_main_~InvSqrt__x~0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse2 .cse3) (fp.leq .cse2 .cse1) (fp.geq .cse0 .cse3) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0))) is different from false [2018-10-27 00:42:11,088 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) RNE c_main_~main__a~0)) (.cse1 ((_ to_fp 11 53) RNE 100.0)) (.cse3 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (.cse0 ((_ to_fp 11 53) RNE c_main_~InvSqrt__x~0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse2 .cse3) (fp.leq .cse2 .cse1) (fp.geq .cse0 .cse3) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0))) is different from true [2018-10-27 00:42:37,254 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (= (_ bv1597463007 32) (bvadd (bvashr v_arrayElimCell_7 (_ bv1 32)) (select (select |c_#memory_int| |c_main_~#InvSqrt__i~0.base|) |c_main_~#InvSqrt__i~0.offset|))) (fp.leq .cse0 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse0)) c_main_~InvSqrt__xhalf~0) (fp.geq .cse0 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0)))))) (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (and (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0)) (= ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) c_main_~InvSqrt__xhalf~0) (= |c_main_#t~mem2| (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))))))) is different from false [2018-10-27 00:42:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:42:46,755 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-10-27 00:42:46,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 00:42:46,904 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-10-27 00:42:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:42:46,905 INFO L225 Difference]: With dead ends: 25 [2018-10-27 00:42:46,905 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:42:46,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 156.0s TimeCoverageRelationStatistics Valid=29, Invalid=24, Unknown=43, NotChecked=114, Total=210 [2018-10-27 00:42:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:42:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:42:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:42:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:42:46,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-10-27 00:42:46,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:42:46,907 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:42:46,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 00:42:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:42:46,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:42:46,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:43:01,399 WARN L179 SmtUtils]: Spent 14.45 s on a formula simplification that was a NOOP. DAG size: 74 [2018-10-27 00:43:20,350 WARN L179 SmtUtils]: Spent 18.95 s on a formula simplification that was a NOOP. DAG size: 76 [2018-10-27 00:43:20,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:43:20,353 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:43:20,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:43:20,353 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:43:20,353 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:43:20,353 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33-3(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33-4(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L33-5(line 33) no Hoare annotation was computed. [2018-10-27 00:43:20,354 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 80) no Hoare annotation was computed. [2018-10-27 00:43:20,355 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 14 91) no Hoare annotation was computed. [2018-10-27 00:43:20,355 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-10-27 00:43:20,355 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 61) no Hoare annotation was computed. [2018-10-27 00:43:20,355 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 14 91) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L421 ceAbstractionStarter]: At program point L73(lines 41 74) the Hoare annotation is: (or (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (not (fp.geq ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (let ((.cse4 ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse5) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse3)) .cse5) .cse5))))))))) (and (fp.leq .cse3 ((_ to_fp 11 53) RNE 100.0)) (not (fp.leq .cse4 ((_ to_fp 11 53) RNE 10.0))) (fp.geq .cse4 (_ +zero 11 53)) (fp.geq .cse3 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0)))))))) [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point L36-2(line 36) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point L36-3(line 36) no Hoare annotation was computed. [2018-10-27 00:43:20,356 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2018-10-27 00:43:20,357 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 14 91) the Hoare annotation is: true [2018-10-27 00:43:20,357 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 85) no Hoare annotation was computed. [2018-10-27 00:43:20,357 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 90) no Hoare annotation was computed. [2018-10-27 00:43:20,357 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 69) no Hoare annotation was computed. [2018-10-27 00:43:20,357 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 74) no Hoare annotation was computed. [2018-10-27 00:43:20,358 INFO L421 ceAbstractionStarter]: At program point L68(lines 43 69) the Hoare annotation is: (or (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))))) (and (not (fp.geq ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse0) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) RNE 100.0))))) (exists ((v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) RNE (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))))) (let ((.cse4 ((_ to_fp 11 53) RNE ((_ to_fp 8 24) RNE (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr v_arrayElimCell_7 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul RNE ((_ to_fp 11 53) RNE .cse5) (fp.sub RNE ((_ to_fp 11 53) RNE (/ 3.0 2.0)) ((_ to_fp 11 53) RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (fp.mul RNE ((_ to_fp 11 53) RNE (/ 1.0 2.0)) .cse3)) .cse5) .cse5))))))))) (and (fp.leq .cse3 ((_ to_fp 11 53) RNE 100.0)) (not (fp.leq .cse4 ((_ to_fp 11 53) RNE 10.0))) (fp.geq .cse4 (_ +zero 11 53)) (fp.geq .cse3 ((_ to_fp 11 53) RNE (/ 2500000037252903.0 25000000000000000.0))))))) (= (_ bv1 32) main_~main____CPAchecker_TMP_1~0)) [2018-10-27 00:43:20,358 INFO L425 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-10-27 00:43:20,358 INFO L425 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-10-27 00:43:20,362 FATAL L292 ToolchainWalker]: 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.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) 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:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) 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:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) 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:123) 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) [2018-10-27 00:43:20,368 INFO L168 Benchmark]: Toolchain (without parser) took 541837.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.6 MB in the beginning and 953.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:43:20,369 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:43:20,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:43:20,370 INFO L168 Benchmark]: Boogie Preprocessor took 43.26 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:43:20,370 INFO L168 Benchmark]: RCFGBuilder took 4819.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:43:20,371 INFO L168 Benchmark]: TraceAbstraction took 536627.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:43:20,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.26 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4819.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 536627.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: 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 - 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.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...