./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/floats-cbmc-regression/float12.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 ca3708fe76c0d5fcf2081cc4044485827bf478fe ........................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/floats-cbmc-regression/float12.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 ca3708fe76c0d5fcf2081cc4044485827bf478fe ..................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:38:55,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:38:55,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:38:55,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:38:55,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:38:55,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:38:55,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:38:55,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:38:55,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:38:55,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:38:55,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:38:55,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:38:55,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:38:55,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:38:55,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:38:55,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:38:55,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:38:55,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:38:55,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:38:55,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:38:55,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:38:55,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:38:55,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:38:55,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:38:55,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:38:55,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:38:55,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:38:55,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:38:55,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:38:55,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:38:55,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:38:55,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:38:55,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:38:55,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:38:55,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:38:55,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:38:55,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:38:55,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:38:55,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:38:55,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:38:55,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:38:55,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:38:55,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:38:55,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:38:55,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:38:55,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:38:55,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:38:55,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:38:55,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:38:55,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:38:55,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:38:55,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:38:55,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:38:55,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:38:55,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:38:55,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:38:55,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:38:55,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:38:55,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:38:55,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:38:55,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:38:55,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:38:55,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:38:55,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:38:55,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:38:55,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:38:55,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:38:55,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:38:55,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:38:55,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:38:55,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:38:55,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> ca3708fe76c0d5fcf2081cc4044485827bf478fe [2019-11-28 16:38:55,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:38:55,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:38:55,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:38:55,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:38:55,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:38:55,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float12.c [2019-11-28 16:38:55,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe667024/05dab75e5fa84e82be879be9496efd6a/FLAGb8ae3dbf2 [2019-11-28 16:38:56,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:38:56,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float12.c [2019-11-28 16:38:56,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe667024/05dab75e5fa84e82be879be9496efd6a/FLAGb8ae3dbf2 [2019-11-28 16:38:56,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe667024/05dab75e5fa84e82be879be9496efd6a [2019-11-28 16:38:56,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:38:56,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:38:56,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:56,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:38:56,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:38:56,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c210e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56, skipping insertion in model container [2019-11-28 16:38:56,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:38:56,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:38:56,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:56,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:38:56,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:38:56,893 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:38:56,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56 WrapperNode [2019-11-28 16:38:56,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:38:56,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:56,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:38:56,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:38:56,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:38:56,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:38:56,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:38:56,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:38:56,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:56,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (1/1) ... [2019-11-28 16:38:57,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:38:57,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:38:57,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:38:57,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:38:57,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (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 [2019-11-28 16:38:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:38:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:38:57,204 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:38:57,204 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 16:38:57,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:57 BoogieIcfgContainer [2019-11-28 16:38:57,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:38:57,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:38:57,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:38:57,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:38:57,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:38:56" (1/3) ... [2019-11-28 16:38:57,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66096c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:57, skipping insertion in model container [2019-11-28 16:38:57,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:56" (2/3) ... [2019-11-28 16:38:57,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66096c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:57, skipping insertion in model container [2019-11-28 16:38:57,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:57" (3/3) ... [2019-11-28 16:38:57,215 INFO L109 eAbstractionObserver]: Analyzing ICFG float12.c [2019-11-28 16:38:57,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:38:57,229 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:38:57,240 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:38:57,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:38:57,266 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:38:57,267 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:38:57,267 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:38:57,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:38:57,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:38:57,268 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:38:57,268 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:38:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-28 16:38:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 16:38:57,291 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:38:57,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 16:38:57,294 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:38:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:38:57,299 INFO L82 PathProgramCache]: Analyzing trace with hash 957381, now seen corresponding path program 1 times [2019-11-28 16:38:57,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:38:57,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315389418] [2019-11-28 16:38:57,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:38:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:38:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:38:57,417 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:38:57,418 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:38:57,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:38:57 BoogieIcfgContainer [2019-11-28 16:38:57,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:38:57,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:38:57,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:38:57,433 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:38:57,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:57" (3/4) ... [2019-11-28 16:38:57,437 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:38:57,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:38:57,439 INFO L168 Benchmark]: Toolchain (without parser) took 786.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:57,440 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:38:57,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:57,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:57,443 INFO L168 Benchmark]: Boogie Preprocessor took 19.90 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:57,444 INFO L168 Benchmark]: RCFGBuilder took 206.71 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:57,445 INFO L168 Benchmark]: TraceAbstraction took 224.37 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:38:57,446 INFO L168 Benchmark]: Witness Printer took 3.87 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. [2019-11-28 16:38:57,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 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 84.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.90 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.71 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 224.37 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 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: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L6] float f = __VERIFIER_nondet_float(); [L7] double d; [L8] unsigned char x = __VERIFIER_nondet_uchar(); [L10] d=f [L12] COND TRUE f==x [L13] COND TRUE !(d==x) [L13] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-11-28 16:38:59,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:38:59,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:38:59,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:38:59,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:38:59,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:38:59,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:38:59,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:38:59,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:38:59,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:38:59,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:38:59,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:38:59,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:38:59,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:38:59,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:38:59,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:38:59,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:38:59,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:38:59,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:38:59,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:38:59,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:38:59,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:38:59,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:38:59,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:38:59,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:38:59,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:38:59,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:38:59,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:38:59,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:38:59,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:38:59,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:38:59,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:38:59,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:38:59,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:38:59,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:38:59,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:38:59,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:38:59,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:38:59,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:38:59,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:38:59,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:38:59,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:38:59,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:38:59,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:38:59,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:38:59,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:38:59,811 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:38:59,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:38:59,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:38:59,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:38:59,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:38:59,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:38:59,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:38:59,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:38:59,813 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:38:59,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:38:59,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:38:59,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:38:59,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:38:59,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:38:59,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:38:59,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:38:59,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:38:59,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:38:59,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:38:59,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:38:59,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:38:59,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:38:59,818 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:38:59,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:38:59,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:38:59,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:38:59,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:38:59,819 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> ca3708fe76c0d5fcf2081cc4044485827bf478fe [2019-11-28 16:39:00,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:39:00,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:39:00,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:39:00,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:39:00,160 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:39:00,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float12.c [2019-11-28 16:39:00,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564b953ef/fb330d78022041a68e11b942320718e8/FLAGdf5d514fb [2019-11-28 16:39:00,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:39:00,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float12.c [2019-11-28 16:39:00,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564b953ef/fb330d78022041a68e11b942320718e8/FLAGdf5d514fb [2019-11-28 16:39:01,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564b953ef/fb330d78022041a68e11b942320718e8 [2019-11-28 16:39:01,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:39:01,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:39:01,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:01,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:39:01,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:39:01,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76344466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01, skipping insertion in model container [2019-11-28 16:39:01,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:39:01,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:39:01,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:01,307 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:39:01,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:39:01,339 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:39:01,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01 WrapperNode [2019-11-28 16:39:01,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:39:01,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:01,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:39:01,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:39:01,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:39:01,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:39:01,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:39:01,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:39:01,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (1/1) ... [2019-11-28 16:39:01,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:39:01,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:39:01,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:39:01,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:39:01,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (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 [2019-11-28 16:39:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:39:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:39:01,731 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:39:01,731 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 16:39:01,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:01 BoogieIcfgContainer [2019-11-28 16:39:01,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:39:01,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:39:01,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:39:01,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:39:01,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:39:01" (1/3) ... [2019-11-28 16:39:01,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9dc5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:01, skipping insertion in model container [2019-11-28 16:39:01,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:01" (2/3) ... [2019-11-28 16:39:01,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9dc5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:01, skipping insertion in model container [2019-11-28 16:39:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:01" (3/3) ... [2019-11-28 16:39:01,741 INFO L109 eAbstractionObserver]: Analyzing ICFG float12.c [2019-11-28 16:39:01,750 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:39:01,756 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:39:01,768 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:39:01,794 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:39:01,794 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:39:01,794 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:39:01,795 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:39:01,795 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:39:01,795 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:39:01,795 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:39:01,795 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:39:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-28 16:39:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 16:39:01,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:39:01,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 16:39:01,819 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:39:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:39:01,825 INFO L82 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2019-11-28 16:39:01,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:39:01,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068657793] [2019-11-28 16:39:01,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-28 16:39:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:39:01,934 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 16:39:01,941 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:39:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:39:02,699 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:39:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:39:04,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068657793] [2019-11-28 16:39:04,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:39:04,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 16:39:04,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133883519] [2019-11-28 16:39:04,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:39:04,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:39:04,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:39:04,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:39:04,285 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2019-11-28 16:39:06,645 WARN L192 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2019-11-28 16:39:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:39:06,871 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-28 16:39:06,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:39:06,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-11-28 16:39:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:39:06,885 INFO L225 Difference]: With dead ends: 15 [2019-11-28 16:39:06,885 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:39:06,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:39:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:39:06,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:39:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:39:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:39:06,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-28 16:39:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:39:06,911 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:39:06,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:39:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:39:06,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:39:07,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:39:07,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:39:07,120 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:39:07,120 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:39:07,120 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:39:07,121 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:39:07,121 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-28 16:39:07,121 INFO L246 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-28 16:39:07,121 INFO L246 CegarLoopResult]: For program point L12(lines 12 13) no Hoare annotation was computed. [2019-11-28 16:39:07,122 INFO L246 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-11-28 16:39:07,122 INFO L246 CegarLoopResult]: For program point L4(lines 4 14) no Hoare annotation was computed. [2019-11-28 16:39:07,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:39:07 BoogieIcfgContainer [2019-11-28 16:39:07,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:39:07,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:39:07,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:39:07,131 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:39:07,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:01" (3/4) ... [2019-11-28 16:39:07,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:39:07,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 16:39:07,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:39:07,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:39:07,182 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:39:07,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:39:07,184 INFO L168 Benchmark]: Toolchain (without parser) took 6076.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:07,185 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:39:07,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 946.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:07,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:07,188 INFO L168 Benchmark]: Boogie Preprocessor took 21.48 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. [2019-11-28 16:39:07,189 INFO L168 Benchmark]: RCFGBuilder took 273.52 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:07,189 INFO L168 Benchmark]: TraceAbstraction took 5396.74 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:39:07,190 INFO L168 Benchmark]: Witness Printer took 51.64 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. [2019-11-28 16:39:07,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 946.9 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 96.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.48 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. * RCFGBuilder took 273.52 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5396.74 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.64 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: 13]: 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 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 156 SizeOfPredicates, 6 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...