./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 0.1.23-5842f4b [2018-11-18 13:46:36,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:46:36,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:46:36,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:46:36,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:46:36,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:46:36,271 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:46:36,272 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:46:36,273 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:46:36,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:46:36,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:46:36,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:46:36,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:46:36,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:46:36,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:46:36,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:46:36,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:46:36,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:46:36,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:46:36,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:46:36,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:46:36,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:46:36,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:46:36,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:46:36,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:46:36,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:46:36,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:46:36,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:46:36,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:46:36,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:46:36,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:46:36,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:46:36,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:46:36,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:46:36,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:46:36,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:46:36,292 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:46:36,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:46:36,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:46:36,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:46:36,303 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:46:36,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:46:36,304 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:46:36,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:46:36,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:46:36,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:46:36,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:46:36,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:46:36,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:46:36,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:46:36,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:46:36,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:46:36,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:46:36,307 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:46:36,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:46:36,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:46:36,307 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_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:36,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:46:36,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:46:36,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:46:36,344 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:46:36,345 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:46:36,345 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:36,386 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/1d4fb2c89/47e30dc427014d4e8928489b0850759c/FLAG3e1cdc5a2 [2018-11-18 13:46:36,718 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:46:36,718 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:36,724 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/1d4fb2c89/47e30dc427014d4e8928489b0850759c/FLAG3e1cdc5a2 [2018-11-18 13:46:37,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/1d4fb2c89/47e30dc427014d4e8928489b0850759c [2018-11-18 13:46:37,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:46:37,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:46:37,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:37,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:46:37,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:46:37,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622ff55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37, skipping insertion in model container [2018-11-18 13:46:37,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:46:37,175 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:46:37,289 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:37,292 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:46:37,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:37,320 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:46:37,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37 WrapperNode [2018-11-18 13:46:37,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:37,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:46:37,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:46:37,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:46:37,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... [2018-11-18 13:46:37,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:46:37,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:46:37,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:46:37,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:46:37,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:46:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:46:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:46:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:46:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 13:46:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:46:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:46:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:46:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:46:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:46:37,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:46:37,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:37 BoogieIcfgContainer [2018-11-18 13:46:37,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:46:37,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:46:37,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:46:37,535 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:46:37,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:46:37" (1/3) ... [2018-11-18 13:46:37,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cd42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:37, skipping insertion in model container [2018-11-18 13:46:37,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:37" (2/3) ... [2018-11-18 13:46:37,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cd42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:37, skipping insertion in model container [2018-11-18 13:46:37,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:37" (3/3) ... [2018-11-18 13:46:37,537 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:37,543 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:46:37,548 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:46:37,556 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:46:37,574 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:46:37,574 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:46:37,575 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:46:37,575 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:46:37,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:46:37,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:46:37,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:46:37,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:46:37,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:46:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-18 13:46:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:46:37,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:37,592 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:37,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:37,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:37,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1709792353, now seen corresponding path program 1 times [2018-11-18 13:46:37,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:37,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:37,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:37,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:37,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:37,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:37,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:46:37,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:46:37,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:46:37,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:37,743 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-11-18 13:46:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:37,788 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-11-18 13:46:37,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:46:37,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-18 13:46:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:37,795 INFO L225 Difference]: With dead ends: 30 [2018-11-18 13:46:37,795 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 13:46:37,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:46:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 13:46:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 13:46:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 13:46:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-18 13:46:37,819 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-11-18 13:46:37,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:37,819 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-18 13:46:37,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:46:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-18 13:46:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:46:37,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:37,820 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:37,821 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:37,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1724896390, now seen corresponding path program 1 times [2018-11-18 13:46:37,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:37,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:37,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:37,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:37,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:37,864 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:46:37,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:46:37 BoogieIcfgContainer [2018-11-18 13:46:37,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:46:37,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:46:37,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:46:37,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:46:37,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:37" (3/4) ... [2018-11-18 13:46:37,886 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:46:37,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:46:37,886 INFO L168 Benchmark]: Toolchain (without parser) took 738.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:37,887 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:46:37,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.39 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:37,888 INFO L168 Benchmark]: Boogie Preprocessor took 22.32 ms. Allocated memory is still 1.0 GB. Free memory is still 944.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:46:37,889 INFO L168 Benchmark]: RCFGBuilder took 189.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:37,889 INFO L168 Benchmark]: TraceAbstraction took 349.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:37,890 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:37,892 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.39 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 944.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.32 ms. Allocated memory is still 1.0 GB. Free memory is still 944.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 189.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 349.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. 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 32. Possible FailurePath: [L1] int __return_main; [L12] float __return_72; [L13] int __return_87; VAL [\old(__return_72)=12, \old(__return_87)=9, \old(__return_main)=11, __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=7] [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=7] [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=7] [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; [L33] FCALL union float_int InvSqrt__i; [L34] FCALL InvSqrt__i.f = InvSqrt__x [L35] EXPR, FCALL InvSqrt__i.i [L35] FCALL InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L36] EXPR, FCALL InvSqrt__i.f [L36] InvSqrt__x = InvSqrt__i.f [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=8, __return_87=0, __return_main=0, __tmp_1=7, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main__a=7, main__r=8] [L41] COND FALSE !(main__r >= 0.0) VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=8, __return_87=0, __return_main=0, __tmp_1=7, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main__a=7, main__r=8] [L67] main____CPAchecker_TMP_1 = 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=8, __return_87=0, __return_main=0, __tmp_1=7, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=7, main__r=8] [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=8, __return_87=0, __return_main=0, __tmp_1=7, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=7, main__r=8] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=8, __return_87=0, __return_main=0, __tmp_1=7, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=7, main__r=8] [L54] __VERIFIER_error() VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=8, __return_87=0, __return_main=0, __tmp_1=7, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=8, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=7, main__r=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 5 SDslu, 43 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 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 0.1.23-5842f4b [2018-11-18 13:46:39,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:46:39,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:46:39,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:46:39,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:46:39,333 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:46:39,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:46:39,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:46:39,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:46:39,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:46:39,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:46:39,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:46:39,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:46:39,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:46:39,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:46:39,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:46:39,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:46:39,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:46:39,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:46:39,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:46:39,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:46:39,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:46:39,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:46:39,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:46:39,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:46:39,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:46:39,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:46:39,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:46:39,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:46:39,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:46:39,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:46:39,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:46:39,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:46:39,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:46:39,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:46:39,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:46:39,351 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:46:39,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:46:39,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:46:39,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:46:39,362 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:46:39,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:46:39,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:46:39,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:46:39,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:46:39,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:46:39,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:46:39,365 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:46:39,366 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:46:39,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:46:39,366 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:46:39,366 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:46:39,366 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_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:39,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:46:39,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:46:39,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:46:39,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:46:39,408 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:46:39,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:39,445 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/b3c34f65b/09078c29d8014dffbac657d9adad921c/FLAGb59d7830b [2018-11-18 13:46:39,836 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:46:39,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:39,840 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/b3c34f65b/09078c29d8014dffbac657d9adad921c/FLAGb59d7830b [2018-11-18 13:46:39,850 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/bin-2019/uautomizer/data/b3c34f65b/09078c29d8014dffbac657d9adad921c [2018-11-18 13:46:39,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:46:39,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:46:39,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:39,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:46:39,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:46:39,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:39" (1/1) ... [2018-11-18 13:46:39,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0f2772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:39, skipping insertion in model container [2018-11-18 13:46:39,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:39" (1/1) ... [2018-11-18 13:46:39,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:46:39,885 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:46:40,020 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:40,024 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:46:40,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:40,059 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:46:40,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40 WrapperNode [2018-11-18 13:46:40,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:40,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:46:40,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:46:40,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:46:40,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... [2018-11-18 13:46:40,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:46:40,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:46:40,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:46:40,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:46:40,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:46:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:46:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 13:46:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:46:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:46:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:46:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 13:46:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:46:42,445 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:46:42,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:46:42,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:42 BoogieIcfgContainer [2018-11-18 13:46:42,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:46:42,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:46:42,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:46:42,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:46:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:46:39" (1/3) ... [2018-11-18 13:46:42,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405d1479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:42, skipping insertion in model container [2018-11-18 13:46:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:40" (2/3) ... [2018-11-18 13:46:42,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405d1479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:42, skipping insertion in model container [2018-11-18 13:46:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:42" (3/3) ... [2018-11-18 13:46:42,758 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-18 13:46:42,763 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:46:42,768 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:46:42,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:46:42,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:46:42,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:46:42,798 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:46:42,798 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:46:42,798 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:46:42,799 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:46:42,799 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:46:42,799 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:46:42,799 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:46:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-18 13:46:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:46:42,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:42,813 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:42,814 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:42,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:42,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1709792353, now seen corresponding path program 1 times [2018-11-18 13:46:42,820 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:46:42,821 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:42,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:43,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:43,361 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:46:43,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:43,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:46:43,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:46:43,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:46:43,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:43,390 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-11-18 13:46:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:45,706 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-11-18 13:46:45,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:46:45,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-18 13:46:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:45,712 INFO L225 Difference]: With dead ends: 30 [2018-11-18 13:46:45,712 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 13:46:45,715 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:46:45,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 13:46:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 13:46:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 13:46:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-18 13:46:45,740 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-11-18 13:46:45,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:45,740 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-18 13:46:45,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:46:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-18 13:46:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:46:45,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:45,741 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:45,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:45,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:45,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1724896390, now seen corresponding path program 1 times [2018-11-18 13:46:45,742 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:46:45,742 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:46:45,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:47,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:47,383 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 13:46:48,009 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 13:46:50,097 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))))))) is different from false [2018-11-18 13:46:52,169 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))))))) is different from true [2018-11-18 13:46:58,451 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53)))))) is different from false [2018-11-18 13:47:00,534 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53)))))) is different from true [2018-11-18 13:47:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:13,114 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:47:13,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:13,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:47:13,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:47:13,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:47:13,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=6, Unknown=4, NotChecked=10, Total=30 [2018-11-18 13:47:13,129 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2018-11-18 13:47:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:15,431 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-11-18 13:47:15,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:47:15,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-18 13:47:15,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:15,517 INFO L225 Difference]: With dead ends: 21 [2018-11-18 13:47:15,517 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 13:47:15,518 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=10, Invalid=6, Unknown=4, NotChecked=10, Total=30 [2018-11-18 13:47:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 13:47:15,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 13:47:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 13:47:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-11-18 13:47:15,520 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2018-11-18 13:47:15,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:15,521 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-11-18 13:47:15,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:47:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-18 13:47:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 13:47:15,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:47:15,521 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:47:15,522 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:47:15,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:15,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1472532306, now seen corresponding path program 1 times [2018-11-18 13:47:15,522 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:47:15,522 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3d38ca0-bf20-4d22-a7cb-206e4c1a3062/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 [2018-11-18 13:47:15,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:16,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:47:16,969 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 13:47:19,066 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2018-11-18 13:47:21,155 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2018-11-18 13:47:23,251 WARN L832 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven c_main_~main__r~0) (_ +zero 11 53)) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from false [2018-11-18 13:47:25,447 WARN L854 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven c_main_~main__r~0) (_ +zero 11 53)) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from true [2018-11-18 13:47:31,757 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from false [2018-11-18 13:47:33,860 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from true [2018-11-18 13:47:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:46,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:47:46,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:47:46,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:47:46,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:47:46,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:47:46,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=6, Unknown=6, NotChecked=18, Total=42 [2018-11-18 13:47:46,503 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 7 states. [2018-11-18 13:47:48,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:47:48,803 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-18 13:47:48,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:47:48,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-11-18 13:47:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:47:48,893 INFO L225 Difference]: With dead ends: 16 [2018-11-18 13:47:48,893 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:47:48,894 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=12, Invalid=6, Unknown=6, NotChecked=18, Total=42 [2018-11-18 13:47:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:47:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:47:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:47:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:47:48,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-18 13:47:48,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:47:48,895 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:47:48,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:47:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:47:48,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:47:48,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:48:03,168 WARN L180 SmtUtils]: Spent 14.24 s on a formula simplification that was a NOOP. DAG size: 74 [2018-11-18 13:48:21,636 WARN L180 SmtUtils]: Spent 18.47 s on a formula simplification that was a NOOP. DAG size: 76 [2018-11-18 13:48:21,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:48:21,638 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:48:21,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:48:21,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:48:21,638 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 13:48:21,638 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:48:21,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:48:21,639 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 80) no Hoare annotation was computed. [2018-11-18 13:48:21,639 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 14 91) no Hoare annotation was computed. [2018-11-18 13:48:21,639 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 13:48:21,639 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 61) no Hoare annotation was computed. [2018-11-18 13:48:21,639 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 14 91) no Hoare annotation was computed. [2018-11-18 13:48:21,640 INFO L421 ceAbstractionStarter]: At program point L73(lines 41 74) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse5) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse4)) .cse5) .cse5))))))) (_ +zero 11 53))))))) [2018-11-18 13:48:21,640 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2018-11-18 13:48:21,640 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 14 91) the Hoare annotation is: true [2018-11-18 13:48:21,640 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 85) no Hoare annotation was computed. [2018-11-18 13:48:21,640 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 90) no Hoare annotation was computed. [2018-11-18 13:48:21,640 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 69) no Hoare annotation was computed. [2018-11-18 13:48:21,640 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 74) no Hoare annotation was computed. [2018-11-18 13:48:21,641 INFO L421 ceAbstractionStarter]: At program point L68(lines 43 69) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_3|) ((_ extract 30 23) |v_q#valueAsBitvector_3|) ((_ extract 22 0) |v_q#valueAsBitvector_3|))))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse2) .cse2))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|))))) (and (fp.geq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse5) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse4)) .cse5) .cse5))))))) (_ +zero 11 53)))))) (= (_ bv1 32) main_~main____CPAchecker_TMP_1~0)) [2018-11-18 13:48:21,644 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: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) [2018-11-18 13:48:21,646 INFO L168 Benchmark]: Toolchain (without parser) took 101793.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -76.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:21,647 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 13:48:21,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:21,647 INFO L168 Benchmark]: Boogie Preprocessor took 26.51 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:48:21,648 INFO L168 Benchmark]: RCFGBuilder took 2665.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:21,648 INFO L168 Benchmark]: TraceAbstraction took 98892.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:21,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.51 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2665.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98892.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 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...