./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ..................................................................................................................................................................................................................................................................... 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_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:57:16,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:57:16,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:57:16,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:57:16,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:57:16,953 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:57:16,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:57:16,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:57:16,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:57:16,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:57:16,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:57:16,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:57:16,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:57:16,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:57:16,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:57:16,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:57:16,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:57:16,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:57:16,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:57:16,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:57:16,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:57:16,966 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:57:16,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:57:16,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:57:16,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:57:16,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:57:16,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:57:16,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:57:16,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:57:16,971 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:57:16,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:57:16,972 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:57:16,972 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:57:16,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:57:16,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:57:16,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:57:16,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:57:16,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:57:16,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:57:16,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:57:16,984 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:57:16,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:57:16,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:57:16,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:57:16,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:57:16,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:57:16,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:57:16,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:57:16,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:57:16,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:57:16,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:57:16,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:57:16,987 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:57:16,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:57:16,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:57:16,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:57:16,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:57:16,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:57:16,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:57:16,988 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:57:16,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:57:16,988 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_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2018-11-10 03:57:17,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:57:17,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:57:17,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:57:17,021 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:57:17,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:57:17,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:17,057 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/01780176e/a70fc9c51c344649b7d2ff89b9d60123/FLAGf5ee67d64 [2018-11-10 03:57:17,447 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:57:17,447 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:17,451 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/01780176e/a70fc9c51c344649b7d2ff89b9d60123/FLAGf5ee67d64 [2018-11-10 03:57:17,461 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/01780176e/a70fc9c51c344649b7d2ff89b9d60123 [2018-11-10 03:57:17,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:57:17,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:57:17,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:57:17,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:57:17,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:57:17,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce791db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17, skipping insertion in model container [2018-11-10 03:57:17,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:57:17,488 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:57:17,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:57:17,592 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:57:17,604 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:57:17,617 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:57:17,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17 WrapperNode [2018-11-10 03:57:17,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:57:17,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:57:17,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:57:17,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:57:17,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... [2018-11-10 03:57:17,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:57:17,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:57:17,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:57:17,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:57:17,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:57:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:57:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:57:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 03:57:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2018-11-10 03:57:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:57:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:57:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 03:57:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:57:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:57:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:57:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:57:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 03:57:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 03:57:17,854 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:57:17,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:17 BoogieIcfgContainer [2018-11-10 03:57:17,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:57:17,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:57:17,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:57:17,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:57:17,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:57:17" (1/3) ... [2018-11-10 03:57:17,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd5e617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:57:17, skipping insertion in model container [2018-11-10 03:57:17,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:17" (2/3) ... [2018-11-10 03:57:17,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd5e617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:57:17, skipping insertion in model container [2018-11-10 03:57:17,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:17" (3/3) ... [2018-11-10 03:57:17,860 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:17,868 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:57:17,874 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:57:17,886 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:57:17,912 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:57:17,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:57:17,913 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:57:17,913 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:57:17,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:57:17,913 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:57:17,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:57:17,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:57:17,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:57:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-10 03:57:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:57:17,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:57:17,935 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:57:17,937 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:57:17,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:57:17,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1314302442, now seen corresponding path program 1 times [2018-11-10 03:57:17,944 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:57:17,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:57:17,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:57:17,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:57:17,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:57:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:57:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:57:18,067 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:57:18,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:57:18 BoogieIcfgContainer [2018-11-10 03:57:18,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:57:18,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:57:18,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:57:18,088 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:57:18,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:17" (3/4) ... [2018-11-10 03:57:18,092 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:57:18,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:57:18,092 INFO L168 Benchmark]: Toolchain (without parser) took 628.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:57:18,094 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:57:18,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:57:18,095 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:57:18,095 INFO L168 Benchmark]: RCFGBuilder took 213.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:57:18,096 INFO L168 Benchmark]: TraceAbstraction took 232.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:57:18,096 INFO L168 Benchmark]: Witness Printer took 3.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:57:18,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 22. Possible FailurePath: [L40] float a,r; [L42] a = __VERIFIER_nondet_float() [L45] CALL, EXPR InvSqrt(a) VAL [\old(x)=1597463012] [L17] float xhalf = 0.5f*x; VAL [\old(x)=1597463012, x=1597463012] [L18] FCALL union float_int i; VAL [\old(x)=1597463012, i={1597463010:0}, x=1597463012] [L19] FCALL i.f = x VAL [\old(x)=1597463012, i={1597463010:0}, x=1597463012] [L20] EXPR, FCALL i.i VAL [\old(x)=1597463012, i={1597463010:0}, i.i=0, x=1597463012] [L20] FCALL i.i = 0x5f3759df - (i.i>>1) VAL [\old(x)=1597463012, i={1597463010:0}, i.i=0, x=1597463012] [L21] EXPR, FCALL i.f VAL [\old(x)=1597463012, i={1597463010:0}, i.f=1597463012, x=1597463012] [L21] x = i.f VAL [\old(x)=1597463012, i={1597463010:0}, i.f=1597463012, x=1597463012, x = i.f=1597463008] [L22] x = x*(1.5f-xhalf*x*x) [L23] return x; VAL [\old(x)=1597463012, \result=1597463011, i={1597463010:0}, x=1597463011] [L23] RET return x; VAL [\old(x)=1597463012, \result=1597463011, x=1597463011] [L45] EXPR InvSqrt(a) VAL [a=1597463012, InvSqrt(a)=1597463011] [L45] r = InvSqrt(a) [L47] CALL __VERIFIER_assert(r >= 0.f && r <= 10.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:57:19,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:57:19,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:57:19,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:57:19,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:57:19,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:57:19,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:57:19,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:57:19,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:57:19,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:57:19,533 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:57:19,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:57:19,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:57:19,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:57:19,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:57:19,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:57:19,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:57:19,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:57:19,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:57:19,540 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:57:19,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:57:19,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:57:19,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:57:19,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:57:19,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:57:19,544 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:57:19,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:57:19,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:57:19,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:57:19,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:57:19,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:57:19,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:57:19,547 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:57:19,547 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:57:19,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:57:19,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:57:19,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 03:57:19,559 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:57:19,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:57:19,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:57:19,560 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:57:19,560 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:57:19,561 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:57:19,561 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:57:19,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:57:19,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:57:19,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:57:19,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:57:19,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:57:19,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:57:19,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:57:19,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:57:19,564 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 03:57:19,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:57:19,564 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:57:19,564 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:57:19,564 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_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2018-11-10 03:57:19,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:57:19,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:57:19,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:57:19,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:57:19,603 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:57:19,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:19,639 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/a7cd37a50/b40d13d39e6f445e81fe6ed7d7b6b8f0/FLAGc366a694c [2018-11-10 03:57:19,942 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:57:19,943 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:19,947 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/a7cd37a50/b40d13d39e6f445e81fe6ed7d7b6b8f0/FLAGc366a694c [2018-11-10 03:57:19,956 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/data/a7cd37a50/b40d13d39e6f445e81fe6ed7d7b6b8f0 [2018-11-10 03:57:19,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:57:19,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:57:19,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:57:19,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:57:19,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:57:19,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:57:19" (1/1) ... [2018-11-10 03:57:19,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147cd99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:19, skipping insertion in model container [2018-11-10 03:57:19,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:57:19" (1/1) ... [2018-11-10 03:57:19,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:57:19,987 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:57:20,110 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:57:20,114 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:57:20,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:57:20,144 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:57:20,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20 WrapperNode [2018-11-10 03:57:20,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:57:20,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:57:20,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:57:20,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:57:20,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... [2018-11-10 03:57:20,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:57:20,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:57:20,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:57:20,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:57:20,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:57:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:57:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:57:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 03:57:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2018-11-10 03:57:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:57:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 03:57:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 03:57:20,376 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:57:20,756 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:57:20,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:20 BoogieIcfgContainer [2018-11-10 03:57:20,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:57:20,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:57:20,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:57:20,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:57:20,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:57:19" (1/3) ... [2018-11-10 03:57:20,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdc61ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:57:20, skipping insertion in model container [2018-11-10 03:57:20,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:57:20" (2/3) ... [2018-11-10 03:57:20,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdc61ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:57:20, skipping insertion in model container [2018-11-10 03:57:20,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:20" (3/3) ... [2018-11-10 03:57:20,761 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-11-10 03:57:20,766 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:57:20,771 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:57:20,780 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:57:20,799 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:57:20,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:57:20,799 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:57:20,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:57:20,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:57:20,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:57:20,800 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:57:20,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:57:20,800 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:57:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-10 03:57:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:57:20,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:57:20,814 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:57:20,815 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:57:20,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:57:20,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1314302442, now seen corresponding path program 1 times [2018-11-10 03:57:20,821 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:57:20,821 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 03:57:20,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:57:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:21,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:57:22,127 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-10 03:57:22,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:57:22,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:57:22,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:57:22,215 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:57:22,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:57:22,445 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:30 [2018-11-10 03:57:22,990 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 03:57:23,560 WARN L179 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-10 03:57:23,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2018-11-10 03:57:23,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-11-10 03:57:23,712 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:57:23,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:57:24,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:57:24,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:29 [2018-11-10 03:57:24,457 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-10 03:57:24,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-11-10 03:57:24,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 36 [2018-11-10 03:57:24,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:57:24,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:57:24,836 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:57:24,836 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:50, output treesize:42 [2018-11-10 03:57:25,419 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-10 03:57:26,242 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-10 03:57:52,656 WARN L179 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-10 03:57:54,694 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (fp.leq .cse0 ((_ to_fp 8 24) RNE 100.0)) (= |c_main_#t~ret4| (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.geq .cse0 ((_ to_fp 8 24) RNE (/ 1.0 10.0)))))) is different from false [2018-11-10 03:57:56,720 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (fp.leq .cse0 ((_ to_fp 8 24) RNE 100.0)) (= |c_main_#t~ret4| (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.geq .cse0 ((_ to_fp 8 24) RNE (/ 1.0 10.0)))))) is different from true [2018-11-10 03:57:58,755 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (fp.leq .cse0 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (= c_main_~r~0 (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse0) .cse1) .cse1)))))))) is different from false [2018-11-10 03:58:00,784 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (fp.leq .cse0 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (= c_main_~r~0 (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse0) .cse1) .cse1)))))))) is different from true [2018-11-10 03:58:17,147 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse4 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_4 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_prenex_4) ((_ extract 30 23) v_prenex_4) ((_ extract 22 0) v_prenex_4)))) (let ((.cse0 (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr v_prenex_4 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul RNE .cse2 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse1) .cse2) .cse2)))))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.leq .cse1 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (fp.leq ((_ to_fp 11 53) RNE .cse0) ((_ to_fp 11 53) RNE 10.0))))))) (and .cse4 (exists ((v_prenex_2 (_ BitVec 32))) (let ((.cse5 (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2)))) (and (fp.leq .cse5 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse5 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) RNE (let ((.cse6 (let ((.cse7 (bvadd (bvneg (bvashr v_prenex_2 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.mul RNE .cse6 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse5) .cse6) .cse6))))) ((_ to_fp 11 53) RNE 10.0))))))) (and (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (not (fp.geq (let ((.cse8 (let ((.cse10 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul RNE .cse8 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse9) .cse8) .cse8)))) (_ +zero 8 24))) (fp.leq .cse9 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse9 ((_ to_fp 8 24) RNE (/ 1.0 10.0)))))) .cse4))) is different from false [2018-11-10 03:58:31,493 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (not (fp.geq (let ((.cse1 (let ((.cse3 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse2) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse2 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse2 ((_ to_fp 8 24) RNE (/ 1.0 10.0))))))) (and .cse0 (exists ((v_prenex_2 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2)))) (and (fp.leq .cse4 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) RNE (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr v_prenex_2 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul RNE .cse5 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse4) .cse5) .cse5))))) ((_ to_fp 11 53) RNE 10.0))))))) (and (exists ((v_prenex_4 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_prenex_4) ((_ extract 30 23) v_prenex_4) ((_ extract 22 0) v_prenex_4)))) (let ((.cse7 (let ((.cse9 (let ((.cse10 (bvadd (bvneg (bvashr v_prenex_4 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul RNE .cse9 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse8) .cse9) .cse9)))))) (and (fp.geq .cse7 (_ +zero 8 24)) (fp.leq .cse8 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse8 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (fp.leq ((_ to_fp 11 53) RNE .cse7) ((_ to_fp 11 53) RNE 10.0)))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))))) is different from false [2018-11-10 03:58:41,726 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (not (fp.geq (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse0 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse1) .cse0) .cse0)))) (_ +zero 8 24))) (fp.leq .cse1 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) RNE (/ 1.0 10.0)))))) (exists ((v_prenex_2 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2)))) (and (fp.leq .cse3 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) RNE (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_2 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul RNE .cse4 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) RNE 10.0))))))) is different from false [2018-11-10 03:58:43,761 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (not (fp.geq (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse0 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse1) .cse0) .cse0)))) (_ +zero 8 24))) (fp.leq .cse1 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse1 ((_ to_fp 8 24) RNE (/ 1.0 10.0)))))) (exists ((v_prenex_2 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2)))) (and (fp.leq .cse3 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) RNE (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_2 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul RNE .cse4 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) RNE 10.0))))))) is different from true [2018-11-10 03:58:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:58:43,773 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:58:43,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:58:43,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-10 03:58:43,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 03:58:43,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 03:58:43,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=66, Unknown=16, NotChecked=100, Total=210 [2018-11-10 03:58:43,795 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 15 states. [2018-11-10 03:58:55,882 WARN L179 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2018-11-10 03:59:01,235 WARN L179 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-11-10 03:59:06,700 WARN L179 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-11-10 03:59:14,836 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-10 03:59:20,187 WARN L179 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-11-10 03:59:25,858 WARN L179 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-10 03:59:38,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:59:38,542 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-11-10 03:59:38,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 03:59:38,580 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-11-10 03:59:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:59:38,585 INFO L225 Difference]: With dead ends: 41 [2018-11-10 03:59:38,585 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:59:38,587 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 66.0s TimeCoverageRelationStatistics Valid=58, Invalid=180, Unknown=22, NotChecked=160, Total=420 [2018-11-10 03:59:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:59:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:59:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:59:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:59:38,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-10 03:59:38,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:59:38,603 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:59:38,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 03:59:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:59:38,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:59:38,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:00:06,057 WARN L179 SmtUtils]: Spent 27.41 s on a formula simplification. DAG size of input: 115 DAG size of output: 1 [2018-11-10 04:00:10,140 WARN L179 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 34 [2018-11-10 04:00:10,142 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:00:10,142 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point InvSqrtFINAL(lines 15 24) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point InvSqrtEXIT(lines 15 24) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-11-10 04:00:10,143 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L428 ceAbstractionStarter]: At program point InvSqrtENTRY(lines 15 24) the Hoare annotation is: true [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:00:10,144 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 04:00:10,144 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:00:10,144 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:00:10,145 INFO L421 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (fp.leq .cse0 ((_ to_fp 8 24) RNE 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (= main_~r~0 (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr v_arrayElimCell_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul RNE .cse1 (fp.sub RNE ((_ to_fp 8 24) RNE (/ 3.0 2.0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1.0 2.0)) .cse0) .cse1) .cse1)))))))) [2018-11-10 04:00:10,145 INFO L425 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-10 04:00:10,145 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 38 49) the Hoare annotation is: true [2018-11-10 04:00:10,145 INFO L421 ceAbstractionStarter]: At program point L45(line 45) the Hoare annotation is: (and (fp.geq main_~a~0 ((_ to_fp 8 24) RNE (/ 1.0 10.0))) (fp.leq main_~a~0 ((_ to_fp 8 24) RNE 100.0))) [2018-11-10 04:00:10,145 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 38 49) no Hoare annotation was computed. [2018-11-10 04:00:10,145 INFO L425 ceAbstractionStarter]: For program point L45-1(line 45) no Hoare annotation was computed. [2018-11-10 04:00:10,145 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 38 49) no Hoare annotation was computed. [2018-11-10 04:00:10,145 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 8) the Hoare annotation is: true [2018-11-10 04:00:10,146 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-10 04:00:10,146 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 8) no Hoare annotation was computed. [2018-11-10 04:00:10,146 INFO L425 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-10 04:00:10,146 INFO L425 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2018-11-10 04:00:10,146 INFO L425 ceAbstractionStarter]: For program point L8-3(line 8) no Hoare annotation was computed. [2018-11-10 04:00:10,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:00:10 BoogieIcfgContainer [2018-11-10 04:00:10,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:00:10,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:00:10,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:00:10,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:00:10,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:20" (3/4) ... [2018-11-10 04:00:10,152 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:00:10,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:00:10,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure InvSqrt [2018-11-10 04:00:10,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:00:10,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 04:00:10,160 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 04:00:10,160 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 04:00:10,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:00:10,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:00:10,188 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9311ea2-06f3-4290-bf88-4da09b3484fe/bin-2019/uautomizer/witness.graphml [2018-11-10 04:00:10,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:00:10,189 INFO L168 Benchmark]: Toolchain (without parser) took 170230.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.7 MB in the beginning and 955.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 113.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,189 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:00:10,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.44 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,190 INFO L168 Benchmark]: Boogie Preprocessor took 28.52 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,191 INFO L168 Benchmark]: RCFGBuilder took 582.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,191 INFO L168 Benchmark]: TraceAbstraction took 169391.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 125.9 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,191 INFO L168 Benchmark]: Witness Printer took 40.01 ms. Allocated memory is still 1.1 GB. Free memory was 962.3 MB in the beginning and 955.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:00:10,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.44 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.52 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 582.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 169391.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 125.9 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.01 ms. Allocated memory is still 1.1 GB. Free memory was 962.3 MB in the beginning and 955.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. SAFE Result, 169.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 54.8s AutomataDifference, 0.0s DeadEndRemovalTime, 31.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 6 SDslu, 122 SDs, 0 SdLazy, 53 SolverSat, 4 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 33.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 66.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 132 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 930 FormulaSimplificationTreeSizeReductionInter, 31.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 81.9s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 14 QuantifiedInterpolants, 51875 SizeOfPredicates, 11 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...