./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ........................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 08:55:48,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:55:48,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:55:48,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:55:48,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:55:48,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:55:48,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:55:48,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:55:48,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:55:48,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:55:48,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:55:48,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:55:48,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:55:48,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:55:48,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:55:48,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:55:48,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:55:48,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:55:48,865 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:55:48,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:55:48,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:55:48,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:55:48,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:55:48,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:55:48,874 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:55:48,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:55:48,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:55:48,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:55:48,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:55:48,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:55:48,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:55:48,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:55:48,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:55:48,882 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:55:48,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:55:48,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:55:48,885 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 08:55:48,916 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:55:48,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:55:48,918 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:55:48,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:55:48,920 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:55:48,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:55:48,920 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:55:48,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 08:55:48,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:55:48,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:55:48,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:55:48,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:55:48,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:55:48,923 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:55:48,924 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:55:48,924 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:55:48,924 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:55:48,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:55:48,924 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:55:48,925 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:55:48,927 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:55:48,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:55:48,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:55:48,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:55:48,928 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:55:48,928 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 08:55:48,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:55:48,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 08:55:48,929 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2019-01-12 08:55:48,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:55:49,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:55:49,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:55:49,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:55:49,014 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:55:49,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2019-01-12 08:55:49,074 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8af0d3b/90681a1a74884576acc1a1c3543abf5a/FLAG71934545c [2019-01-12 08:55:49,510 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:55:49,510 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2019-01-12 08:55:49,519 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8af0d3b/90681a1a74884576acc1a1c3543abf5a/FLAG71934545c [2019-01-12 08:55:49,871 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8af0d3b/90681a1a74884576acc1a1c3543abf5a [2019-01-12 08:55:49,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:55:49,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:55:49,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:55:49,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:55:49,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:55:49,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:55:49" (1/1) ... [2019-01-12 08:55:49,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdb41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:49, skipping insertion in model container [2019-01-12 08:55:49,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:55:49" (1/1) ... [2019-01-12 08:55:49,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:55:49,939 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:55:50,260 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:55:50,266 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:55:50,348 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:55:50,382 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:55:50,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50 WrapperNode [2019-01-12 08:55:50,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:55:50,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:55:50,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:55:50,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:55:50,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:55:50,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:55:50,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:55:50,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:55:50,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... [2019-01-12 08:55:50,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:55:50,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:55:50,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:55:50,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:55:50,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 08:55:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 08:55:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 08:55:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 08:55:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 08:55:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:55:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:55:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 08:55:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 08:55:51,727 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:55:51,728 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 08:55:51,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:55:51 BoogieIcfgContainer [2019-01-12 08:55:51,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:55:51,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:55:51,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:55:51,734 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:55:51,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:55:49" (1/3) ... [2019-01-12 08:55:51,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540eb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:55:51, skipping insertion in model container [2019-01-12 08:55:51,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:50" (2/3) ... [2019-01-12 08:55:51,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540eb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:55:51, skipping insertion in model container [2019-01-12 08:55:51,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:55:51" (3/3) ... [2019-01-12 08:55:51,738 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2019-01-12 08:55:51,748 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:55:51,757 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 08:55:51,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 08:55:51,804 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:55:51,805 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:55:51,805 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:55:51,805 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:55:51,805 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:55:51,805 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:55:51,805 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:55:51,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:55:51,806 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:55:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-01-12 08:55:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 08:55:51,830 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:55:51,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 08:55:51,834 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:55:51,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:55:51,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2019-01-12 08:55:51,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 08:55:51,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 08:55:51,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:55:51,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:55:51,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:55:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:55:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 08:55:51,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 08:55:51,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 08:55:51,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 08:55:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 08:55:51,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 08:55:51,986 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-01-12 08:55:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 08:55:52,011 INFO L93 Difference]: Finished difference Result 145 states and 236 transitions. [2019-01-12 08:55:52,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 08:55:52,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-01-12 08:55:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 08:55:52,026 INFO L225 Difference]: With dead ends: 145 [2019-01-12 08:55:52,026 INFO L226 Difference]: Without dead ends: 70 [2019-01-12 08:55:52,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 08:55:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-01-12 08:55:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-01-12 08:55:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-12 08:55:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2019-01-12 08:55:52,073 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2019-01-12 08:55:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 08:55:52,074 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2019-01-12 08:55:52,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 08:55:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-01-12 08:55:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 08:55:52,075 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:55:52,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 08:55:52,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:55:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:55:52,076 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2019-01-12 08:55:52,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 08:55:52,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 08:55:52,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:55:52,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:55:52,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:55:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 08:55:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 08:55:52,188 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 08:55:52,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:55:52 BoogieIcfgContainer [2019-01-12 08:55:52,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:55:52,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:55:52,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:55:52,252 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:55:52,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:55:51" (3/4) ... [2019-01-12 08:55:52,264 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 08:55:52,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:55:52,265 INFO L168 Benchmark]: Toolchain (without parser) took 2390.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -104.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-01-12 08:55:52,270 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:55:52,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 08:55:52,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 08:55:52,276 INFO L168 Benchmark]: Boogie Preprocessor took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:55:52,277 INFO L168 Benchmark]: RCFGBuilder took 1138.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-01-12 08:55:52,278 INFO L168 Benchmark]: TraceAbstraction took 520.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:55:52,280 INFO L168 Benchmark]: Witness Printer took 13.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:55:52,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 507.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1138.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 520.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Witness Printer took 13.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 248]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 153, overapproximation of bitwiseAnd at line 171, overapproximation of someBinaryArithmeticDOUBLEoperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L147-L161] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] double x = __VERIFIER_nondet_double(); [L242] COND TRUE x < -1.0 && x > 1.0 [L164] double t, w, p, q, c, r, s; [L165] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] ieee_double_shape_type gh_u; [L168] gh_u.value = (x) [L169] EXPR gh_u.parts.msw [L169] (hx) = gh_u.parts.msw [L171] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L183] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L184] COND FALSE !(ix < 0x3e400000) [L188] t = x * x [L189-L192] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L193-L194] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L195] w = p / q [L196] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L244] double res = __ieee754_asin(x); [L18] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L247] COND TRUE !isnan_double(res) [L248] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 08:55:54,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:55:54,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:55:54,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:55:54,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:55:54,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:55:54,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:55:54,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:55:54,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:55:54,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:55:54,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:55:54,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:55:54,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:55:54,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:55:54,670 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:55:54,671 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:55:54,672 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:55:54,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:55:54,677 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:55:54,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:55:54,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:55:54,682 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:55:54,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:55:54,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:55:54,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:55:54,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:55:54,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:55:54,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:55:54,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:55:54,692 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:55:54,692 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:55:54,693 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:55:54,693 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:55:54,693 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:55:54,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:55:54,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:55:54,696 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 08:55:54,721 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:55:54,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:55:54,723 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:55:54,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:55:54,724 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:55:54,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:55:54,725 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:55:54,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:55:54,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:55:54,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:55:54,726 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:55:54,726 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:55:54,726 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 08:55:54,726 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 08:55:54,726 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:55:54,727 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:55:54,729 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:55:54,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:55:54,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:55:54,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:55:54,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:55:54,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:55:54,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:55:54,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:55:54,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:55:54,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:55:54,731 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 08:55:54,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:55:54,732 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 08:55:54,734 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 08:55:54,734 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2019-01-12 08:55:54,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:55:54,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:55:54,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:55:54,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:55:54,803 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:55:54,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2019-01-12 08:55:54,870 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b06714a/057bcf7be50e494ab75140cad06ee1de/FLAG4e6897be2 [2019-01-12 08:55:55,394 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:55:55,395 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2019-01-12 08:55:55,404 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b06714a/057bcf7be50e494ab75140cad06ee1de/FLAG4e6897be2 [2019-01-12 08:55:55,698 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b06714a/057bcf7be50e494ab75140cad06ee1de [2019-01-12 08:55:55,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:55:55,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:55:55,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:55:55,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:55:55,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:55:55,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:55:55" (1/1) ... [2019-01-12 08:55:55,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396c3d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:55, skipping insertion in model container [2019-01-12 08:55:55,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:55:55" (1/1) ... [2019-01-12 08:55:55,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:55:55,755 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:55:56,050 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:55:56,060 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:55:56,162 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:55:56,197 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:55:56,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56 WrapperNode [2019-01-12 08:55:56,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:55:56,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:55:56,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:55:56,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:55:56,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:55:56,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:55:56,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:55:56,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:55:56,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... [2019-01-12 08:55:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:55:56,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:55:56,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:55:56,458 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:55:56,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 08:55:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 08:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 08:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 08:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 08:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:55:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:55:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 08:55:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 08:55:56,906 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:55:59,391 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:55:59,439 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:56:09,049 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:56:09,088 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:56:11,766 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 08:56:16,010 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:56:16,010 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 08:56:16,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:56:16 BoogieIcfgContainer [2019-01-12 08:56:16,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:56:16,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:56:16,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:56:16,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:56:16,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:55:55" (1/3) ... [2019-01-12 08:56:16,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4fdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:56:16, skipping insertion in model container [2019-01-12 08:56:16,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:55:56" (2/3) ... [2019-01-12 08:56:16,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4fdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:56:16, skipping insertion in model container [2019-01-12 08:56:16,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:56:16" (3/3) ... [2019-01-12 08:56:16,022 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2019-01-12 08:56:16,033 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:56:16,043 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 08:56:16,062 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 08:56:16,097 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:56:16,098 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:56:16,099 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:56:16,099 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:56:16,099 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:56:16,099 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:56:16,100 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:56:16,100 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:56:16,100 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:56:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-01-12 08:56:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 08:56:16,127 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:56:16,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 08:56:16,133 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:56:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:56:16,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2019-01-12 08:56:16,146 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 08:56:16,147 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-01-12 08:56:16,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 08:56:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:56:16,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 08:56:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 08:56:16,897 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 08:56:16,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 08:56:16,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 08:56:16,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 08:56:16,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 08:56:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 08:56:16,935 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-01-12 08:56:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 08:56:16,953 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2019-01-12 08:56:16,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 08:56:16,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-01-12 08:56:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 08:56:16,962 INFO L225 Difference]: With dead ends: 78 [2019-01-12 08:56:16,962 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 08:56:16,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 08:56:16,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 08:56:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 08:56:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 08:56:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 08:56:16,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-01-12 08:56:16,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 08:56:16,988 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 08:56:16,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 08:56:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 08:56:16,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 08:56:16,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 08:56:17,371 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-01-12 08:56:17,371 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-01-12 08:56:17,372 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-01-12 08:56:17,372 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 08:56:17,372 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 186) no Hoare annotation was computed. [2019-01-12 08:56:17,372 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 248) no Hoare annotation was computed. [2019-01-12 08:56:17,372 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-01-12 08:56:17,372 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-01-12 08:56:17,373 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-01-12 08:56:17,374 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-01-12 08:56:17,374 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-01-12 08:56:17,375 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-01-12 08:56:17,376 INFO L451 ceAbstractionStarter]: At program point L253(lines 232 254) the Hoare annotation is: true [2019-01-12 08:56:17,376 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-01-12 08:56:17,376 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-01-12 08:56:17,376 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 143) no Hoare annotation was computed. [2019-01-12 08:56:17,377 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 131 145) no Hoare annotation was computed. [2019-01-12 08:56:17,377 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-01-12 08:56:17,377 INFO L448 ceAbstractionStarter]: For program point L138-2(lines 138 143) no Hoare annotation was computed. [2019-01-12 08:56:17,377 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-01-12 08:56:17,377 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-01-12 08:56:17,377 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-01-12 08:56:17,378 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-01-12 08:56:17,380 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 198) no Hoare annotation was computed. [2019-01-12 08:56:17,380 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-01-12 08:56:17,381 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-01-12 08:56:17,381 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-01-12 08:56:17,382 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-01-12 08:56:17,382 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-01-12 08:56:17,382 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-01-12 08:56:17,382 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-01-12 08:56:17,382 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-01-12 08:56:17,382 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-01-12 08:56:17,384 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 08:56:17,384 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 178) no Hoare annotation was computed. [2019-01-12 08:56:17,384 INFO L444 ceAbstractionStarter]: At program point L174-2(lines 174 178) the Hoare annotation is: false [2019-01-12 08:56:17,385 INFO L448 ceAbstractionStarter]: For program point L174-3(lines 172 183) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 251) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 225) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 251) no Hoare annotation was computed. [2019-01-12 08:56:17,386 INFO L448 ceAbstractionStarter]: For program point L209-2(lines 163 230) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-01-12 08:56:17,387 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: false [2019-01-12 08:56:17,387 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-01-12 08:56:17,390 INFO L444 ceAbstractionStarter]: At program point L144(lines 131 145) the Hoare annotation is: false [2019-01-12 08:56:17,390 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-01-12 08:56:17,390 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-01-12 08:56:17,390 INFO L444 ceAbstractionStarter]: At program point L129(lines 22 130) the Hoare annotation is: false [2019-01-12 08:56:17,391 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-01-12 08:56:17,391 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-01-12 08:56:17,391 INFO L444 ceAbstractionStarter]: At program point L229(lines 163 230) the Hoare annotation is: false [2019-01-12 08:56:17,392 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-01-12 08:56:17,392 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-01-12 08:56:17,392 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 08:56:17,392 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 250) no Hoare annotation was computed. [2019-01-12 08:56:17,392 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 214 219) no Hoare annotation was computed. [2019-01-12 08:56:17,392 INFO L444 ceAbstractionStarter]: At program point L214-2(lines 214 219) the Hoare annotation is: false [2019-01-12 08:56:17,392 INFO L448 ceAbstractionStarter]: For program point L214-3(lines 214 219) no Hoare annotation was computed. [2019-01-12 08:56:17,393 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-01-12 08:56:17,395 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2019-01-12 08:56:17,396 INFO L444 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: false [2019-01-12 08:56:17,396 INFO L448 ceAbstractionStarter]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2019-01-12 08:56:17,396 INFO L448 ceAbstractionStarter]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2019-01-12 08:56:17,397 INFO L444 ceAbstractionStarter]: At program point L133-2(lines 133 137) the Hoare annotation is: false [2019-01-12 08:56:17,397 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 198) no Hoare annotation was computed. [2019-01-12 08:56:17,398 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 183 198) no Hoare annotation was computed. [2019-01-12 08:56:17,398 INFO L444 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: false [2019-01-12 08:56:17,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:56:17 BoogieIcfgContainer [2019-01-12 08:56:17,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:56:17,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:56:17,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:56:17,415 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:56:17,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:56:16" (3/4) ... [2019-01-12 08:56:17,422 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 08:56:17,445 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 08:56:17,446 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 08:56:17,446 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 08:56:17,526 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 08:56:17,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:56:17,528 INFO L168 Benchmark]: Toolchain (without parser) took 21824.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -97.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,530 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:56:17,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,532 INFO L168 Benchmark]: Boogie Preprocessor took 81.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:56:17,533 INFO L168 Benchmark]: RCFGBuilder took 19554.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,533 INFO L168 Benchmark]: TraceAbstraction took 1401.47 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,535 INFO L168 Benchmark]: Witness Printer took 112.28 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:56:17,538 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 492.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 176.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 19554.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1401.47 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 112.28 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 248]: 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 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 1 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...