./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/TaipanReach.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_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan --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 Taipan --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_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/TaipanReach.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_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan --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 Taipan --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 0.1.23-635dfa2 [2018-12-09 00:08:56,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:08:56,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:08:56,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:08:56,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:08:56,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:08:56,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:08:56,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:08:56,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:08:56,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:08:56,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:08:56,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:08:56,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:08:56,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:08:56,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:08:56,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:08:56,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:08:56,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:08:56,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:08:56,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:08:56,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:08:56,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:08:56,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:08:56,110 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:08:56,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:08:56,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:08:56,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:08:56,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:08:56,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:08:56,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:08:56,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:08:56,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:08:56,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:08:56,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:08:56,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:08:56,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:08:56,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:08:56,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:08:56,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:08:56,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:08:56,122 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:08:56,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:08:56,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:08:56,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:08:56,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:08:56,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:08:56,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:08:56,125 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan 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 -> Taipan 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 [2018-12-09 00:08:56,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:08:56,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:08:56,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:08:56,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:08:56,155 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:08:56,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:08:56,193 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/9e83202a4/5dd4cf3471574055b449dc548e9a3bd9/FLAG82897a38a [2018-12-09 00:08:56,628 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:08:56,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:08:56,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/9e83202a4/5dd4cf3471574055b449dc548e9a3bd9/FLAG82897a38a [2018-12-09 00:08:56,641 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/9e83202a4/5dd4cf3471574055b449dc548e9a3bd9 [2018-12-09 00:08:56,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:08:56,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:08:56,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:08:56,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:08:56,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:08:56,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdd580a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56, skipping insertion in model container [2018-12-09 00:08:56,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:08:56,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:08:56,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:08:56,758 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:08:56,772 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:08:56,784 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:08:56,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56 WrapperNode [2018-12-09 00:08:56,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:08:56,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:08:56,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:08:56,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:08:56,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:08:56,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:08:56,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:08:56,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:08:56,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... [2018-12-09 00:08:56,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:08:56,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:08:56,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:08:56,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:08:56,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:08:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:08:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:08:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:08:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:08:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:08:56,975 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:08:56,976 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:08:56,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:08:56 BoogieIcfgContainer [2018-12-09 00:08:56,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:08:56,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:08:56,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:08:56,978 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:08:56,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:08:56" (1/3) ... [2018-12-09 00:08:56,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c10de50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:08:56, skipping insertion in model container [2018-12-09 00:08:56,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:56" (2/3) ... [2018-12-09 00:08:56,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c10de50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:08:56, skipping insertion in model container [2018-12-09 00:08:56,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:08:56" (3/3) ... [2018-12-09 00:08:56,980 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:08:56,986 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:08:56,990 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:08:56,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:08:57,016 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:08:57,016 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:08:57,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:08:57,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:08:57,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:08:57,016 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:08:57,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:08:57,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:08:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-12-09 00:08:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:08:57,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:08:57,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:08:57,031 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:08:57,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:08:57,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1326004698, now seen corresponding path program 1 times [2018-12-09 00:08:57,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:08:57,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:08:57,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:08:57,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:08:57,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:08:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:08:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:08:57,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:08:57,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:08:57,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:08:57,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:08:57,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:08:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:08:57,147 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-12-09 00:08:57,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:08:57,184 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-12-09 00:08:57,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:08:57,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-09 00:08:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:08:57,191 INFO L225 Difference]: With dead ends: 30 [2018-12-09 00:08:57,191 INFO L226 Difference]: Without dead ends: 16 [2018-12-09 00:08:57,193 INFO L631 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 [2018-12-09 00:08:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-09 00:08:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-09 00:08:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-09 00:08:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-12-09 00:08:57,215 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-12-09 00:08:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:08:57,215 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-12-09 00:08:57,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:08:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-12-09 00:08:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:08:57,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:08:57,215 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:08:57,216 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:08:57,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:08:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1310900661, now seen corresponding path program 1 times [2018-12-09 00:08:57,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:08:57,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:08:57,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:08:57,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:08:57,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:08:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:08:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:08:57,261 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:08:57,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:08:57 BoogieIcfgContainer [2018-12-09 00:08:57,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:08:57,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:08:57,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:08:57,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:08:57,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:08:56" (3/4) ... [2018-12-09 00:08:57,287 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:08:57,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:08:57,287 INFO L168 Benchmark]: Toolchain (without parser) took 643.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,288 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:08:57,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.91 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,290 INFO L168 Benchmark]: Boogie Preprocessor took 45.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,290 INFO L168 Benchmark]: RCFGBuilder took 130.12 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,291 INFO L168 Benchmark]: TraceAbstraction took 306.81 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:08:57,291 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:08:57,293 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.91 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.12 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 306.81 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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)=10, \old(__return_87)=7, \old(__return_main)=8, __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=16] [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=16] [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=16] [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] union float_int InvSqrt__i; [L34] InvSqrt__i.f = InvSqrt__x [L35] EXPR InvSqrt__i.i [L35] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L36] EXPR 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=12, __return_87=0, __return_main=0, __tmp_1=16, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main__a=16, main__r=12] [L41] COND FALSE !(main__r >= 0.0) VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=12, __return_87=0, __return_main=0, __tmp_1=16, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main__a=16, main__r=12] [L67] main____CPAchecker_TMP_1 = 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=12, __return_87=0, __return_main=0, __tmp_1=16, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=16, main__r=12] [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=12, __return_87=0, __return_main=0, __tmp_1=16, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=16, main__r=12] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=12, __return_87=0, __return_main=0, __tmp_1=16, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=16, main__r=12] [L54] __VERIFIER_error() VAL [\old(__return_72)=0, \old(__return_87)=0, __return_72=12, __return_87=0, __return_main=0, __tmp_1=16, __tmp_2=0, __VERIFIER_assert__cond=0, InvSqrt__i={6:0}, InvSqrt__x=12, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=16, main__r=12] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 1 error locations. UNSAFE Result, 0.2s 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 0.1.23-635dfa2 [2018-12-09 00:08:58,579 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:08:58,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:08:58,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:08:58,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:08:58,586 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:08:58,587 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:08:58,588 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:08:58,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:08:58,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:08:58,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:08:58,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:08:58,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:08:58,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:08:58,591 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:08:58,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:08:58,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:08:58,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:08:58,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:08:58,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:08:58,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:08:58,595 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:08:58,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:08:58,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:08:58,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:08:58,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:08:58,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:08:58,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:08:58,598 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:08:58,598 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:08:58,598 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:08:58,599 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:08:58,599 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:08:58,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:08:58,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:08:58,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:08:58,600 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 00:08:58,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:08:58,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:08:58,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:08:58,608 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:08:58,608 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:08:58,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:08:58,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:08:58,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:08:58,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:08:58,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:08:58,611 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:08:58,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:08:58,611 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:08:58,611 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:08:58,611 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_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan 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 -> Taipan 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 [2018-12-09 00:08:58,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:08:58,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:08:58,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:08:58,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:08:58,638 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:08:58,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:08:58,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/d1316d9fd/5d0747c64d1e41a3a8f94589c309b51a/FLAG1e9d64b1b [2018-12-09 00:08:59,095 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:08:59,095 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:08:59,099 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/d1316d9fd/5d0747c64d1e41a3a8f94589c309b51a/FLAG1e9d64b1b [2018-12-09 00:08:59,107 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/data/d1316d9fd/5d0747c64d1e41a3a8f94589c309b51a [2018-12-09 00:08:59,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:08:59,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:08:59,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:08:59,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:08:59,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:08:59,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eb7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59, skipping insertion in model container [2018-12-09 00:08:59,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:08:59,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:08:59,238 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:08:59,241 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:08:59,257 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:08:59,276 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:08:59,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59 WrapperNode [2018-12-09 00:08:59,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:08:59,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:08:59,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:08:59,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:08:59,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:08:59,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:08:59,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:08:59,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:08:59,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... [2018-12-09 00:08:59,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:08:59,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:08:59,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:08:59,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:08:59,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:08:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:08:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:08:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 00:08:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:08:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:08:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:08:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:08:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:08:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:08:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 00:08:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:08:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:09:01,766 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:09:01,935 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:09:01,935 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:09:01,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:09:01 BoogieIcfgContainer [2018-12-09 00:09:01,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:09:01,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:09:01,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:09:01,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:09:01,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:08:59" (1/3) ... [2018-12-09 00:09:01,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d78722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:09:01, skipping insertion in model container [2018-12-09 00:09:01,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:59" (2/3) ... [2018-12-09 00:09:01,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d78722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:09:01, skipping insertion in model container [2018-12-09 00:09:01,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:09:01" (3/3) ... [2018-12-09 00:09:01,940 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-12-09 00:09:01,946 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:09:01,950 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:09:01,959 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:09:01,975 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:09:01,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:09:01,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:09:01,976 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:09:01,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:09:01,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:09:01,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:09:01,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:09:01,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:09:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-12-09 00:09:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:09:01,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:09:01,989 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:09:01,990 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:09:01,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:09:01,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1326004698, now seen corresponding path program 1 times [2018-12-09 00:09:01,996 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:09:01,996 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 00:09:02,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:09:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:09:02,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:09:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:09:02,517 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:09:02,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:09:02,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:09:02,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:09:02,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:09:02,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:09:02,542 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-12-09 00:09:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:09:04,879 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-12-09 00:09:04,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:09:04,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-09 00:09:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:09:04,886 INFO L225 Difference]: With dead ends: 30 [2018-12-09 00:09:04,886 INFO L226 Difference]: Without dead ends: 16 [2018-12-09 00:09:04,889 INFO L631 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 [2018-12-09 00:09:04,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-09 00:09:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-09 00:09:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-09 00:09:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-12-09 00:09:04,913 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-12-09 00:09:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:09:04,913 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-12-09 00:09:04,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:09:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-12-09 00:09:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:09:04,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:09:04,914 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:09:04,914 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:09:04,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:09:04,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1310900661, now seen corresponding path program 1 times [2018-12-09 00:09:04,915 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:09:04,915 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 00:09:04,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:09:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:09:05,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:09:06,603 WARN L180 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 00:09:08,701 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 [2018-12-09 00:09:10,780 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 [2018-12-09 00:09:17,096 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 [2018-12-09 00:09:19,180 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 [2018-12-09 00:09:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:09:31,858 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:09:31,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:09:31,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:09:31,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:09:31,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:09:31,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=6, Unknown=4, NotChecked=10, Total=30 [2018-12-09 00:09:31,873 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2018-12-09 00:09:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:09:34,282 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-12-09 00:09:34,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:09:34,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-12-09 00:09:34,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:09:34,387 INFO L225 Difference]: With dead ends: 21 [2018-12-09 00:09:34,387 INFO L226 Difference]: Without dead ends: 16 [2018-12-09 00:09:34,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=10, Invalid=6, Unknown=4, NotChecked=10, Total=30 [2018-12-09 00:09:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-09 00:09:34,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-09 00:09:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-09 00:09:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-12-09 00:09:34,390 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2018-12-09 00:09:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:09:34,391 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-12-09 00:09:34,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:09:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-12-09 00:09:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:09:34,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:09:34,392 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:09:34,392 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:09:34,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:09:34,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1852104242, now seen corresponding path program 1 times [2018-12-09 00:09:34,393 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:09:34,393 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b61f77-8f4f-4c8a-910f-90730d182d0a/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 00:09:34,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:09:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:09:36,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:09:36,722 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 00:09:38,834 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 [2018-12-09 00:09:40,927 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 [2018-12-09 00:09:43,039 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 [2018-12-09 00:09:45,460 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 [2018-12-09 00:09:51,811 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 [2018-12-09 00:09:53,930 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 [2018-12-09 00:10:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:06,640 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:10:06,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:10:06,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:10:06,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:10:06,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:10:06,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=6, Unknown=6, NotChecked=18, Total=42 [2018-12-09 00:10:06,655 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 7 states. [2018-12-09 00:10:09,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:10:09,134 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-09 00:10:09,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:10:09,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-12-09 00:10:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:10:09,242 INFO L225 Difference]: With dead ends: 16 [2018-12-09 00:10:09,242 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:10:09,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=12, Invalid=6, Unknown=6, NotChecked=18, Total=42 [2018-12-09 00:10:09,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:10:09,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:10:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:10:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:10:09,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-09 00:10:09,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:10:09,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:10:09,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:10:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:10:09,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:10:09,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:10:23,613 WARN L180 SmtUtils]: Spent 14.33 s on a formula simplification that was a NOOP. DAG size: 74 [2018-12-09 00:10:42,165 WARN L180 SmtUtils]: Spent 18.55 s on a formula simplification that was a NOOP. DAG size: 76 [2018-12-09 00:10:42,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:10:42,168 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:10:42,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:10:42,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 00:10:42,169 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 80) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 14 91) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 61) no Hoare annotation was computed. [2018-12-09 00:10:42,169 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 14 91) no Hoare annotation was computed. [2018-12-09 00:10:42,170 INFO L444 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))))))) [2018-12-09 00:10:42,170 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 14 91) the Hoare annotation is: true [2018-12-09 00:10:42,170 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 85) no Hoare annotation was computed. [2018-12-09 00:10:42,170 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 90) no Hoare annotation was computed. [2018-12-09 00:10:42,170 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 69) no Hoare annotation was computed. [2018-12-09 00:10:42,170 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 74) no Hoare annotation was computed. [2018-12-09 00:10:42,171 INFO L444 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)) [2018-12-09 00:10:42,175 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:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java: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) [2018-12-09 00:10:42,178 INFO L168 Benchmark]: Toolchain (without parser) took 103068.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -61.4 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:10:42,179 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:10:42,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.96 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:10:42,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.66 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:10:42,181 INFO L168 Benchmark]: Boogie Preprocessor took 17.68 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:10:42,181 INFO L168 Benchmark]: RCFGBuilder took 2625.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:10:42,181 INFO L168 Benchmark]: TraceAbstraction took 100241.02 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: 91.6 MB). Peak memory consumption was 91.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:10:42,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.96 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.66 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.68 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2625.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100241.02 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: 91.6 MB). Peak memory consumption was 91.6 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...