./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-benchs/Rump_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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-benchs/Rump_double_true-unreach-call_true-termination.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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ................................................................................................................................................................................................................................... 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-benchs/Rump_double_true-unreach-call_true-termination.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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:40:24,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:40:24,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:40:24,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:40:24,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:40:24,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:40:24,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:40:24,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:40:24,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:40:24,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:40:24,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:40:24,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:40:24,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:40:24,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:40:24,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:40:24,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:40:24,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:40:24,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:40:24,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:40:24,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:40:24,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:40:24,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:40:24,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:40:24,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:40:24,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:40:24,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:40:24,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:40:24,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:40:24,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:40:24,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:40:24,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:40:24,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:40:24,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:40:24,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:40:24,600 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:40:24,601 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:40:24,601 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:40:24,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:40:24,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:40:24,619 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:40:24,619 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:40:24,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:40:24,621 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:40:24,621 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:40:24,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:40:24,621 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:40:24,621 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:40:24,621 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:40:24,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:40:24,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:40:24,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:40:24,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:40:24,623 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:40:24,623 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:40:24,624 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:40:24,624 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:40:24,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:40:24,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:40:24,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:40:24,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:40:24,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:40:24,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:40:24,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:40:24,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:40:24,628 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:40:24,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:40:24,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:40:24,628 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-11-28 17:40:24,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:40:24,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:40:24,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:40:24,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:40:24,685 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:40:24,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:24,746 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95e4a66a/70fdf7a06a5246cab85fe570ae0b6e8a/FLAG568fb1004 [2018-11-28 17:40:25,200 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:40:25,201 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:25,212 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95e4a66a/70fdf7a06a5246cab85fe570ae0b6e8a/FLAG568fb1004 [2018-11-28 17:40:25,565 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95e4a66a/70fdf7a06a5246cab85fe570ae0b6e8a [2018-11-28 17:40:25,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:40:25,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:40:25,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:40:25,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:40:25,576 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:40:25,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1abf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25, skipping insertion in model container [2018-11-28 17:40:25,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:40:25,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:40:25,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:40:25,829 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:40:25,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:40:25,871 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:40:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25 WrapperNode [2018-11-28 17:40:25,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:40:25,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:40:25,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:40:25,873 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:40:25,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:40:25,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:40:25,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:40:25,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:40:25,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (1/1) ... [2018-11-28 17:40:25,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:40:25,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:40:25,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:40:25,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:40:25,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (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 [2018-11-28 17:40:26,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:40:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:40:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:40:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:40:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:40:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:40:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 17:40:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 17:40:26,249 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:40:26,249 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:40:26,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:26 BoogieIcfgContainer [2018-11-28 17:40:26,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:40:26,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:40:26,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:40:26,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:40:26,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:40:25" (1/3) ... [2018-11-28 17:40:26,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2184277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:40:26, skipping insertion in model container [2018-11-28 17:40:26,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:25" (2/3) ... [2018-11-28 17:40:26,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2184277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:40:26, skipping insertion in model container [2018-11-28 17:40:26,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:26" (3/3) ... [2018-11-28 17:40:26,260 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:26,269 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:40:26,276 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:40:26,289 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:40:26,318 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:40:26,319 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:40:26,319 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:40:26,320 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:40:26,320 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:40:26,320 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:40:26,320 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:40:26,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:40:26,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:40:26,339 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 17:40:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 17:40:26,346 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:40:26,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:40:26,349 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:40:26,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:40:26,356 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 17:40:26,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:40:26,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:40:26,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:40:26,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:40:26,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:40:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:40:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:40:26,469 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:40:26,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:40:26 BoogieIcfgContainer [2018-11-28 17:40:26,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:40:26,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:40:26,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:40:26,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:40:26,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:26" (3/4) ... [2018-11-28 17:40:26,502 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:40:26,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:40:26,503 INFO L168 Benchmark]: Toolchain (without parser) took 933.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:40:26,505 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 17:40:26,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.92 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:26,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.57 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:40:26,508 INFO L168 Benchmark]: Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:40:26,510 INFO L168 Benchmark]: RCFGBuilder took 308.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:26,512 INFO L168 Benchmark]: TraceAbstraction took 245.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:26,516 INFO L168 Benchmark]: Witness Printer took 5.42 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. [2018-11-28 17:40:26,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 300.92 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.57 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 308.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 245.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.42 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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 0.1.24-91b1670 [2018-11-28 17:40:28,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:40:28,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:40:28,924 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:40:28,924 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:40:28,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:40:28,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:40:28,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:40:28,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:40:28,932 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:40:28,933 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:40:28,933 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:40:28,935 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:40:28,936 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:40:28,937 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:40:28,938 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:40:28,939 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:40:28,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:40:28,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:40:28,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:40:28,947 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:40:28,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:40:28,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:40:28,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:40:28,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:40:28,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:40:28,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:40:28,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:40:28,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:40:28,958 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:40:28,958 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:40:28,959 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:40:28,960 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:40:28,960 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:40:28,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:40:28,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:40:28,963 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:40:28,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:40:28,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:40:28,988 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:40:28,989 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:40:28,989 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:40:28,989 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:40:28,990 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:40:28,990 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:40:28,991 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:40:28,991 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:40:28,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:40:28,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:40:28,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:40:28,992 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:40:28,993 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:40:28,994 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:40:28,994 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:40:28,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:40:28,995 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:40:28,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:40:28,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:40:28,995 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:40:28,995 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:40:28,996 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:40:28,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:40:28,997 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:40:28,997 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:40:28,997 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-11-28 17:40:29,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:40:29,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:40:29,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:40:29,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:40:29,056 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:40:29,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:29,115 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3177ff1ec/7f1ed3b648e645e99ffd77f23743a036/FLAGb87b3a5b5 [2018-11-28 17:40:29,591 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:40:29,592 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:29,598 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3177ff1ec/7f1ed3b648e645e99ffd77f23743a036/FLAGb87b3a5b5 [2018-11-28 17:40:29,965 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3177ff1ec/7f1ed3b648e645e99ffd77f23743a036 [2018-11-28 17:40:29,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:40:29,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:40:29,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:40:29,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:40:29,976 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:40:29,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:40:29" (1/1) ... [2018-11-28 17:40:29,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364f73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:29, skipping insertion in model container [2018-11-28 17:40:29,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:40:29" (1/1) ... [2018-11-28 17:40:29,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:40:30,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:40:30,236 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:40:30,247 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:40:30,277 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:40:30,299 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:40:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30 WrapperNode [2018-11-28 17:40:30,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:40:30,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:40:30,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:40:30,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:40:30,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:40:30,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:40:30,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:40:30,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:40:30,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (1/1) ... [2018-11-28 17:40:30,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:40:30,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:40:30,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:40:30,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:40:30,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (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 [2018-11-28 17:40:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:40:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:40:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:40:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:40:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:40:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:40:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 17:40:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 17:40:30,727 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:40:30,728 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:40:30,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:30 BoogieIcfgContainer [2018-11-28 17:40:30,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:40:30,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:40:30,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:40:30,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:40:30,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:40:29" (1/3) ... [2018-11-28 17:40:30,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc2705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:40:30, skipping insertion in model container [2018-11-28 17:40:30,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:40:30" (2/3) ... [2018-11-28 17:40:30,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc2705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:40:30, skipping insertion in model container [2018-11-28 17:40:30,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:30" (3/3) ... [2018-11-28 17:40:30,737 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-11-28 17:40:30,748 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:40:30,756 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:40:30,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:40:30,806 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:40:30,807 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:40:30,807 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:40:30,807 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:40:30,807 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:40:30,807 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:40:30,808 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:40:30,808 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:40:30,808 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:40:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 17:40:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 17:40:30,834 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:40:30,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:40:30,837 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:40:30,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:40:30,845 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 17:40:30,850 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:40:30,850 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) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:40:30,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:40:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:40:44,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:40:44,647 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 5 [2018-11-28 17:40:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:40:44,742 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:40:44,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:40:44,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 17:40:44,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 17:40:44,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 17:40:44,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 17:40:44,898 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-28 17:40:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:40:45,046 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-28 17:40:45,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 17:40:45,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-28 17:40:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:40:45,057 INFO L225 Difference]: With dead ends: 24 [2018-11-28 17:40:45,057 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:40:45,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:40:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:40:45,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:40:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:40:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:40:45,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-28 17:40:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:40:45,094 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:40:45,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 17:40:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:40:45,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:40:45,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:40:45,176 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 17:40:45,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:40:45,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:40:45,176 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 17:40:45,177 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:40:45,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:40:45,177 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-11-28 17:40:45,178 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-11-28 17:40:45,178 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-11-28 17:40:45,178 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-28 17:40:45,181 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-11-28 17:40:45,181 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-28 17:40:45,181 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-28 17:40:45,182 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-28 17:40:45,182 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-28 17:40:45,182 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-28 17:40:45,182 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-28 17:40:45,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:40:45 BoogieIcfgContainer [2018-11-28 17:40:45,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:40:45,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:40:45,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:40:45,189 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:40:45,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:40:30" (3/4) ... [2018-11-28 17:40:45,193 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:40:45,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:40:45,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:40:45,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 17:40:45,205 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 17:40:45,206 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:40:45,206 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 17:40:45,246 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:40:45,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:40:45,247 INFO L168 Benchmark]: Toolchain (without parser) took 15277.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:45,249 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 17:40:45,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:45,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.96 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:40:45,251 INFO L168 Benchmark]: Boogie Preprocessor took 51.89 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:45,251 INFO L168 Benchmark]: RCFGBuilder took 342.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:45,252 INFO L168 Benchmark]: TraceAbstraction took 14458.11 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:40:45,253 INFO L168 Benchmark]: Witness Printer took 58.31 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. [2018-11-28 17:40:45,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 327.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.96 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.89 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14458.11 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * Witness Printer took 58.31 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: - PositiveResult [Line: 4]: 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 4 procedures, 17 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 12.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 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! Received shutdown request...