./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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 0.1.23-635dfa2 [2018-12-09 08:03:47,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:03:47,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:03:47,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:03:47,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:03:47,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:03:47,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:03:47,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:03:47,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:03:47,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:03:47,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:03:47,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:03:47,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:03:47,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:03:47,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:03:47,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:03:47,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:03:47,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:03:47,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:03:47,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:03:47,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:03:47,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:03:47,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:03:47,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:03:47,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:03:47,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:03:47,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:03:47,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:03:47,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:03:47,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:03:47,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:03:47,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:03:47,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:03:47,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:03:47,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:03:47,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:03:47,213 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 08:03:47,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:03:47,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:03:47,220 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:03:47,221 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:03:47,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:03:47,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:03:47,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:03:47,222 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:47,223 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:03:47,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:03:47,223 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_1f816998-9e40-4800-b901-d23415e8310b/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 [2018-12-09 08:03:47,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:03:47,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:03:47,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:03:47,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:03:47,254 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:03:47,254 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:47,296 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/fe55ff936/c25be99524fd443983b86ac88802aa10/FLAGfdfc2a104 [2018-12-09 08:03:47,690 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:03:47,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:47,694 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/fe55ff936/c25be99524fd443983b86ac88802aa10/FLAGfdfc2a104 [2018-12-09 08:03:47,702 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/fe55ff936/c25be99524fd443983b86ac88802aa10 [2018-12-09 08:03:47,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:03:47,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:03:47,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:47,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:03:47,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:03:47,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97cb65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47, skipping insertion in model container [2018-12-09 08:03:47,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:03:47,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:03:47,811 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:47,814 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:03:47,825 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:47,838 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:03:47,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47 WrapperNode [2018-12-09 08:03:47,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:47,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:47,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:03:47,839 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:03:47,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:47,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:03:47,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:03:47,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:03:47,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... [2018-12-09 08:03:47,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:03:47,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:03:47,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:03:47,902 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:03:47,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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 [2018-12-09 08:03:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:03:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:03:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-12-09 08:03:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:03:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 08:03:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 08:03:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 08:03:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 08:03:48,025 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:03:48,026 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 08:03:48,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:48 BoogieIcfgContainer [2018-12-09 08:03:48,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:03:48,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:03:48,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:03:48,028 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:03:48,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:03:47" (1/3) ... [2018-12-09 08:03:48,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2f610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:48, skipping insertion in model container [2018-12-09 08:03:48,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:47" (2/3) ... [2018-12-09 08:03:48,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2f610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:48, skipping insertion in model container [2018-12-09 08:03:48,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:48" (3/3) ... [2018-12-09 08:03:48,031 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:48,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:03:48,041 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:03:48,049 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:03:48,066 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:03:48,067 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:03:48,067 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:03:48,067 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:03:48,067 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:03:48,067 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:03:48,067 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:03:48,067 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:03:48,067 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:03:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-09 08:03:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 08:03:48,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:03:48,080 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:03:48,081 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:03:48,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:03:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1573477556, now seen corresponding path program 1 times [2018-12-09 08:03:48,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:03:48,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:03:48,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:03:48,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:03:48,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:03:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:03:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:03:48,168 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 08:03:48,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:03:48 BoogieIcfgContainer [2018-12-09 08:03:48,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:03:48,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:03:48,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:03:48,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:03:48,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:48" (3/4) ... [2018-12-09 08:03:48,187 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 08:03:48,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:03:48,188 INFO L168 Benchmark]: Toolchain (without parser) took 483.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:48,189 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:48,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.45 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:48,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.67 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:48,190 INFO L168 Benchmark]: Boogie Preprocessor took 48.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:48,190 INFO L168 Benchmark]: RCFGBuilder took 123.76 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 08:03:48,191 INFO L168 Benchmark]: TraceAbstraction took 157.93 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:48,191 INFO L168 Benchmark]: Witness Printer took 2.80 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. [2018-12-09 08:03:48,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.45 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.67 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 123.76 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 157.93 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 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 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 17. Possible FailurePath: [L40] float a,r; [L42] a = __VERIFIER_nondet_float() [L45] CALL, EXPR InvSqrt(a) VAL [\old(x)=11] [L17] float xhalf = 0.5f*x; [L18] union float_int i; [L19] i.f = x [L20] EXPR i.i [L20] i.i = 0x5f3759df - (i.i>>1) [L21] EXPR i.f [L21] x = i.f [L22] x = x*(1.5f-xhalf*x*x) [L23] return x; [L23] return x; VAL [\old(x)=11, \result=12, x=12] [L45] RET, EXPR InvSqrt(a) VAL [a=11, InvSqrt(a)=12] [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, 23 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=23occurred 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, 15 NumberOfCodeBlocks, 15 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 0.1.23-635dfa2 [2018-12-09 08:03:49,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:03:49,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:03:49,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:03:49,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:03:49,477 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:03:49,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:03:49,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:03:49,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:03:49,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:03:49,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:03:49,481 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:03:49,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:03:49,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:03:49,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:03:49,483 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:03:49,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:03:49,484 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:03:49,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:03:49,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:03:49,487 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:03:49,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:03:49,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:03:49,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:03:49,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:03:49,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:03:49,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:03:49,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:03:49,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:03:49,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:03:49,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:03:49,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:03:49,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:03:49,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:03:49,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:03:49,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:03:49,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 08:03:49,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:03:49,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:03:49,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:03:49,504 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:03:49,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:03:49,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:03:49,505 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:03:49,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:03:49,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:03:49,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 08:03:49,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:03:49,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:03:49,507 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:03:49,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:03:49,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:03:49,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:03:49,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:49,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 08:03:49,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:03:49,509 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 08:03:49,509 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 08:03:49,509 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_1f816998-9e40-4800-b901-d23415e8310b/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 [2018-12-09 08:03:49,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:03:49,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:03:49,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:03:49,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:03:49,543 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:03:49,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:49,579 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/eda65c991/aecc629fb0d94b14a90ce8f319972a8a/FLAGc831b9cba [2018-12-09 08:03:49,905 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:03:49,906 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:49,909 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/eda65c991/aecc629fb0d94b14a90ce8f319972a8a/FLAGc831b9cba [2018-12-09 08:03:50,308 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/data/eda65c991/aecc629fb0d94b14a90ce8f319972a8a [2018-12-09 08:03:50,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:03:50,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:03:50,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:50,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:03:50,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:03:50,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50, skipping insertion in model container [2018-12-09 08:03:50,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:03:50,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:03:50,420 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:50,423 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:03:50,436 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:50,450 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:03:50,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50 WrapperNode [2018-12-09 08:03:50,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:50,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:50,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:03:50,451 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:03:50,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:50,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:03:50,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:03:50,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:03:50,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... [2018-12-09 08:03:50,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:03:50,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:03:50,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:03:50,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:03:50,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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 [2018-12-09 08:03:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:03:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:03:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2018-12-09 08:03:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:03:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 08:03:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 08:03:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 08:03:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 08:03:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 08:03:51,702 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 08:03:51,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:03:51,725 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 08:03:51,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:51 BoogieIcfgContainer [2018-12-09 08:03:51,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:03:51,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:03:51,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:03:51,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:03:51,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:03:50" (1/3) ... [2018-12-09 08:03:51,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728b1509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:51, skipping insertion in model container [2018-12-09 08:03:51,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:50" (2/3) ... [2018-12-09 08:03:51,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728b1509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:51, skipping insertion in model container [2018-12-09 08:03:51,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:51" (3/3) ... [2018-12-09 08:03:51,731 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-09 08:03:51,739 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:03:51,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:03:51,757 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:03:51,773 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:03:51,774 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:03:51,774 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:03:51,774 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:03:51,774 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:03:51,774 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:03:51,774 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:03:51,774 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:03:51,774 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:03:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-09 08:03:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 08:03:51,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:03:51,786 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:03:51,788 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:03:51,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:03:51,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1573477556, now seen corresponding path program 1 times [2018-12-09 08:03:51,793 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 08:03:51,794 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/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 [2018-12-09 08:03:51,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:03:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:03:52,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:04:00,191 WARN L180 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-09 08:04:02,221 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (= |c_main_#t~ret4| (let ((.cse0 (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 .cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from false [2018-12-09 08:04:04,250 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (= |c_main_#t~ret4| (let ((.cse0 (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 .cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse0) .cse0))))) (fp.geq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from true [2018-12-09 08:04:06,282 WARN L832 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= c_main_~r~0 (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 .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from false [2018-12-09 08:04:08,311 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= c_main_~r~0 (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 .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from true [2018-12-09 08:04:24,646 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse7 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_prenex_3) ((_ extract 30 23) v_prenex_3) ((_ extract 22 0) v_prenex_3)))) (let ((.cse1 (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr v_prenex_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse2) .cse2)))))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse1 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (and (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse4 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (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 .cse5 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse5) .cse5)))) (_ +zero 8 24))) (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) .cse7) (and (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse8 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse9 (let ((.cse10 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse9 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse8) .cse9) .cse9))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) .cse7))) is different from false [2018-12-09 08:04:38,976 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse1 (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 .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse1) .cse2) .cse2)))) (_ +zero 8 24))) (fp.leq .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)))))) (and .cse0 (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse5 (let ((.cse6 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven .cse5 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse5) .cse5))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (and (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 31 31) v_prenex_3) ((_ extract 30 23) v_prenex_3) ((_ extract 22 0) v_prenex_3)))) (let ((.cse8 (let ((.cse9 (let ((.cse10 (bvadd (bvneg (bvashr v_prenex_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse9 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse7) .cse9) .cse9)))))) (and (fp.geq .cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq .cse7 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse8 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse8) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))))) is different from false [2018-12-09 08:04:49,210 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (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 .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from false [2018-12-09 08:04:51,261 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (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 .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from true [2018-12-09 08:04:51,267 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 08:04:51,267 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 08:04:51,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:51,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 08:04:51,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 08:04:51,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 08:04:51,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=7, Unknown=10, NotChecked=40, Total=72 [2018-12-09 08:04:51,289 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 9 states. [2018-12-09 08:04:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:56,333 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-12-09 08:04:56,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 08:04:56,364 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-12-09 08:04:56,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:56,368 INFO L225 Difference]: With dead ends: 30 [2018-12-09 08:04:56,369 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 08:04:56,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=15, Invalid=7, Unknown=10, NotChecked=40, Total=72 [2018-12-09 08:04:56,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 08:04:56,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 08:04:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 08:04:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 08:04:56,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-09 08:04:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:56,387 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:04:56,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 08:04:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:04:56,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:04:56,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 08:05:25,681 WARN L180 SmtUtils]: Spent 29.25 s on a formula simplification. DAG size of input: 115 DAG size of output: 1 [2018-12-09 08:05:29,751 WARN L180 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 08:05:29,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:05:29,753 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 08:05:29,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:05:29,754 INFO L451 ceAbstractionStarter]: At program point InvSqrtENTRY(lines 15 24) the Hoare annotation is: true [2018-12-09 08:05:29,754 INFO L448 ceAbstractionStarter]: For program point InvSqrtFINAL(lines 15 24) no Hoare annotation was computed. [2018-12-09 08:05:29,754 INFO L448 ceAbstractionStarter]: For program point InvSqrtEXIT(lines 15 24) no Hoare annotation was computed. [2018-12-09 08:05:29,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:05:29,754 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 08:05:29,754 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 08:05:29,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:05:29,755 INFO L444 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (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 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= main_~r~0 (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 .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) [2018-12-09 08:05:29,755 INFO L448 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-12-09 08:05:29,755 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 38 49) the Hoare annotation is: true [2018-12-09 08:05:29,755 INFO L444 ceAbstractionStarter]: At program point L45(line 45) the Hoare annotation is: (and (fp.geq main_~a~0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq main_~a~0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))) [2018-12-09 08:05:29,755 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 38 49) no Hoare annotation was computed. [2018-12-09 08:05:29,755 INFO L448 ceAbstractionStarter]: For program point L45-1(line 45) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 38 49) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 8) the Hoare annotation is: true [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 8) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2018-12-09 08:05:29,756 INFO L448 ceAbstractionStarter]: For program point L8-3(line 8) no Hoare annotation was computed. [2018-12-09 08:05:29,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:05:29 BoogieIcfgContainer [2018-12-09 08:05:29,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:05:29,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:05:29,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:05:29,760 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:05:29,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:51" (3/4) ... [2018-12-09 08:05:29,764 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:05:29,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 08:05:29,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure InvSqrt [2018-12-09 08:05:29,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 08:05:29,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 08:05:29,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-09 08:05:29,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 08:05:29,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:05:29,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:05:29,803 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f816998-9e40-4800-b901-d23415e8310b/bin-2019/uautomizer/witness.graphml [2018-12-09 08:05:29,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:05:29,803 INFO L168 Benchmark]: Toolchain (without parser) took 99492.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -85.3 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,804 INFO L168 Benchmark]: CDTParser took 0.13 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 08:05:29,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.12 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.82 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,804 INFO L168 Benchmark]: Boogie Preprocessor took 16.48 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:05:29,805 INFO L168 Benchmark]: RCFGBuilder took 1242.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,805 INFO L168 Benchmark]: TraceAbstraction took 98033.20 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,805 INFO L168 Benchmark]: Witness Printer took 42.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:05:29,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 139.12 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.82 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.48 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1242.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98033.20 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. * Witness Printer took 42.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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, 23 locations, 1 error locations. SAFE Result, 97.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 33.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 33.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 58.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 7 QuantifiedInterpolants, 22372 SizeOfPredicates, 5 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 12 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...