./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/floats-cbmc-regression/float3_true-unreach-call_true-termination.i -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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 ............................................................................................................................................................................................................................ 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/floats-cbmc-regression/float3_true-unreach-call_true-termination.i -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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:41:47,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:41:47,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:41:47,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:41:47,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:41:47,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:41:47,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:41:47,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:41:47,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:41:47,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:41:47,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:41:47,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:41:47,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:41:47,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:41:47,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:41:47,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:41:47,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:41:47,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:41:47,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:41:47,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:41:47,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:41:47,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:41:47,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:41:47,482 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:41:47,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:41:47,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:41:47,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:41:47,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:41:47,486 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:41:47,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:41:47,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:41:47,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:41:47,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:41:47,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:41:47,491 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:41:47,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:41:47,496 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:41:47,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:41:47,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:41:47,532 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:41:47,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:41:47,534 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:41:47,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:41:47,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:41:47,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:41:47,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:41:47,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:41:47,537 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:41:47,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:41:47,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:41:47,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:41:47,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:41:47,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:41:47,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:41:47,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:41:47,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:41:47,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:41:47,540 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:41:47,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:41:47,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:41:47,540 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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2018-12-31 02:41:47,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:41:47,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:41:47,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:41:47,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:41:47,629 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:41:47,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-12-31 02:41:47,686 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcad0cff/bd122b884c824d528ea74112f2be47ce/FLAG92e2a1cdd [2018-12-31 02:41:48,191 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:41:48,192 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-12-31 02:41:48,197 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcad0cff/bd122b884c824d528ea74112f2be47ce/FLAG92e2a1cdd [2018-12-31 02:41:48,554 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcad0cff/bd122b884c824d528ea74112f2be47ce [2018-12-31 02:41:48,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:41:48,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:41:48,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:48,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:41:48,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:41:48,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dad2d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48, skipping insertion in model container [2018-12-31 02:41:48,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:41:48,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:41:48,823 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:48,828 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:41:48,847 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:48,864 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:41:48,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48 WrapperNode [2018-12-31 02:41:48,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:48,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:48,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:41:48,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:41:48,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:48,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:41:48,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:41:48,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:41:48,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (1/1) ... [2018-12-31 02:41:48,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:41:48,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:41:48,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:41:48,934 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:41:48,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (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 [2018-12-31 02:41:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:41:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:41:49,243 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:41:49,244 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-31 02:41:49,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:49 BoogieIcfgContainer [2018-12-31 02:41:49,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:41:49,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:41:49,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:41:49,250 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:41:49,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:41:48" (1/3) ... [2018-12-31 02:41:49,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa5b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:49, skipping insertion in model container [2018-12-31 02:41:49,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:48" (2/3) ... [2018-12-31 02:41:49,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa5b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:49, skipping insertion in model container [2018-12-31 02:41:49,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:49" (3/3) ... [2018-12-31 02:41:49,255 INFO L112 eAbstractionObserver]: Analyzing ICFG float3_true-unreach-call_true-termination.i [2018-12-31 02:41:49,265 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:41:49,272 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:41:49,288 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:41:49,321 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:41:49,322 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:41:49,322 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:41:49,322 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:41:49,323 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:41:49,323 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:41:49,323 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:41:49,323 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:41:49,323 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:41:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-12-31 02:41:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 02:41:49,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:41:49,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:41:49,352 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:41:49,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:41:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2018-12-31 02:41:49,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:41:49,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:41:49,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:41:49,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:41:49,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:41:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:41:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:41:49,474 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:41:49,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:41:49 BoogieIcfgContainer [2018-12-31 02:41:49,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:41:49,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:41:49,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:41:49,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:41:49,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:49" (3/4) ... [2018-12-31 02:41:49,505 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:41:49,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:41:49,506 INFO L168 Benchmark]: Toolchain (without parser) took 943.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:49,509 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:49,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:49,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.55 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:49,512 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:49,512 INFO L168 Benchmark]: RCFGBuilder took 310.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:49,515 INFO L168 Benchmark]: TraceAbstraction took 253.98 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. [2018-12-31 02:41:49,516 INFO L168 Benchmark]: Witness Printer took 5.66 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. [2018-12-31 02:41:49,528 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 43.55 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 310.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 253.98 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 5.66 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: 24]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 24, overapproximation of someBinaryArithmeticDOUBLEoperation at line 20. Possible FailurePath: [L4] double d = 0.0; VAL [d=0] [L13] int x = 2; [L15] COND TRUE __VERIFIER_nondet_int() [L16] x = 4 VAL [d=0] [L8] d = 1.0 VAL [d=1] [L20] d += (x == 2) [L22] d += (x > 3) [L24] COND TRUE !(d == 2.0) [L24] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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, 7 NumberOfCodeBlocks, 7 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 0.1.24-2e94e6a [2018-12-31 02:41:51,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:41:51,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:41:51,943 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:41:51,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:41:51,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:41:51,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:41:51,949 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:41:51,951 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:41:51,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:41:51,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:41:51,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:41:51,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:41:51,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:41:51,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:41:51,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:41:51,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:41:51,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:41:51,983 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:41:51,984 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:41:51,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:41:51,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:41:51,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:41:51,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:41:51,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:41:51,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:41:51,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:41:51,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:41:51,996 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:41:51,997 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:41:51,997 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:41:51,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:41:51,999 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:41:51,999 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:41:52,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:41:52,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:41:52,002 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:41:52,021 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:41:52,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:41:52,023 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:41:52,023 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:41:52,023 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:41:52,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:41:52,024 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:41:52,024 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:41:52,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:41:52,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:41:52,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:41:52,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:41:52,025 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:41:52,025 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:41:52,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:41:52,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:41:52,026 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:41:52,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:41:52,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:41:52,026 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:41:52,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:41:52,028 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:41:52,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:41:52,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:41:52,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:41:52,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:41:52,030 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:41:52,030 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:41:52,030 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:41:52,030 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:41:52,030 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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2018-12-31 02:41:52,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:41:52,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:41:52,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:41:52,099 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:41:52,099 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:41:52,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-12-31 02:41:52,168 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f3872aa0/56df67e9e25e4997b21587f4630d2dc8/FLAGafa0a5582 [2018-12-31 02:41:52,636 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:41:52,637 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-12-31 02:41:52,644 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f3872aa0/56df67e9e25e4997b21587f4630d2dc8/FLAGafa0a5582 [2018-12-31 02:41:53,011 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f3872aa0/56df67e9e25e4997b21587f4630d2dc8 [2018-12-31 02:41:53,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:41:53,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:41:53,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:53,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:41:53,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:41:53,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40bd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53, skipping insertion in model container [2018-12-31 02:41:53,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:41:53,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:41:53,252 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:53,260 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:41:53,279 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:53,297 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:41:53,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53 WrapperNode [2018-12-31 02:41:53,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:53,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:53,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:41:53,299 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:41:53,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:53,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:41:53,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:41:53,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:41:53,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (1/1) ... [2018-12-31 02:41:53,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:41:53,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:41:53,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:41:53,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:41:53,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (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 [2018-12-31 02:41:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:41:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:41:54,851 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:41:54,851 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-31 02:41:54,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:54 BoogieIcfgContainer [2018-12-31 02:41:54,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:41:54,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:41:54,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:41:54,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:41:54,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:41:53" (1/3) ... [2018-12-31 02:41:54,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9066c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:54, skipping insertion in model container [2018-12-31 02:41:54,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:53" (2/3) ... [2018-12-31 02:41:54,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9066c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:54, skipping insertion in model container [2018-12-31 02:41:54,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:54" (3/3) ... [2018-12-31 02:41:54,863 INFO L112 eAbstractionObserver]: Analyzing ICFG float3_true-unreach-call_true-termination.i [2018-12-31 02:41:54,871 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:41:54,878 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:41:54,896 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:41:54,935 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:41:54,936 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:41:54,936 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:41:54,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:41:54,937 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:41:54,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:41:54,937 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:41:54,937 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:41:54,938 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:41:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-12-31 02:41:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 02:41:54,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:41:54,971 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:41:54,974 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:41:54,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:41:54,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2018-12-31 02:41:54,986 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:41:54,987 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) [2018-12-31 02:41:55,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:41:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 02:41:55,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 02:41:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 02:41:55,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 02:41:55,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 02:41:55,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 02:41:55,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 02:41:55,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 02:41:55,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 02:41:55,483 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 5 states. [2018-12-31 02:41:57,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 02:41:57,757 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-12-31 02:41:57,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 02:41:57,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-12-31 02:41:57,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 02:41:57,770 INFO L225 Difference]: With dead ends: 22 [2018-12-31 02:41:57,770 INFO L226 Difference]: Without dead ends: 8 [2018-12-31 02:41:57,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-31 02:41:57,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-12-31 02:41:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-12-31 02:41:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-12-31 02:41:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2018-12-31 02:41:57,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2018-12-31 02:41:57,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 02:41:57,811 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2018-12-31 02:41:57,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 02:41:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2018-12-31 02:41:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 02:41:57,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:41:57,812 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:41:57,812 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:41:57,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:41:57,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1806812423, now seen corresponding path program 1 times [2018-12-31 02:41:57,813 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:41:57,813 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 02:41:57,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:41:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 02:41:58,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 02:41:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 02:41:58,124 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 02:41:58,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 02:41:58,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 02:41:58,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 02:41:58,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 02:41:58,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 02:41:58,142 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand 5 states. [2018-12-31 02:41:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 02:41:59,458 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2018-12-31 02:41:59,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 02:41:59,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-12-31 02:41:59,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 02:41:59,461 INFO L225 Difference]: With dead ends: 8 [2018-12-31 02:41:59,461 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 02:41:59,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-31 02:41:59,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 02:41:59,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 02:41:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 02:41:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 02:41:59,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-31 02:41:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 02:41:59,464 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 02:41:59,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 02:41:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 02:41:59,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 02:41:59,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 02:41:59,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 16) no Hoare annotation was computed. [2018-12-31 02:41:59,478 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 15 16) no Hoare annotation was computed. [2018-12-31 02:41:59,479 INFO L448 ceAbstractionStarter]: For program point L11(lines 11 25) no Hoare annotation was computed. [2018-12-31 02:41:59,479 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-12-31 02:41:59,479 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-12-31 02:41:59,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:41:59 BoogieIcfgContainer [2018-12-31 02:41:59,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:41:59,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:41:59,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:41:59,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:41:59,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:54" (3/4) ... [2018-12-31 02:41:59,488 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 02:41:59,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-31 02:41:59,501 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 02:41:59,547 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:41:59,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:41:59,548 INFO L168 Benchmark]: Toolchain (without parser) took 6533.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -121.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:59,551 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:59,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:59,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:59,553 INFO L168 Benchmark]: Boogie Preprocessor took 37.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:59,554 INFO L168 Benchmark]: RCFGBuilder took 1472.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:59,555 INFO L168 Benchmark]: TraceAbstraction took 4629.39 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: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:59,556 INFO L168 Benchmark]: Witness Printer took 64.70 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. [2018-12-31 02:41:59,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 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 43.34 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1472.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4629.39 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: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.70 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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, 11 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 18 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...