/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float11_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float11_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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 ........................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float11_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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:46:21,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:46:21,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:46:21,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:46:21,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:46:21,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:46:21,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:46:21,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:46:21,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:46:21,637 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:46:21,638 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:46:21,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:46:21,640 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:46:21,642 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:46:21,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:46:21,646 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:46:21,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:46:21,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:46:21,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:46:21,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:46:21,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:46:21,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:46:21,675 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:46:21,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:46:21,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:46:21,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:46:21,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:46:21,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:46:21,681 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:46:21,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:46:21,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:46:21,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:46:21,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:46:21,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:46:21,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:46:21,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:46:21,690 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:46:21,720 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:46:21,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:46:21,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:46:21,722 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:46:21,722 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:46:21,722 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:46:21,723 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:46:21,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:46:21,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:46:21,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:46:21,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:46:21,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:46:21,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:46:21,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:46:21,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:46:21,725 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:46:21,725 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:46:21,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:46:21,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:46:21,726 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:46:21,726 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:46:21,726 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:46:21,726 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:46:21,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:46:21,727 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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-09-20 13:46:21,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:46:21,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:46:21,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:46:21,807 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:46:21,808 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:46:21,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-09-20 13:46:22,206 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8850d01/6f4a0d160aa74a20ae5536e610fd125f/FLAG849259e43 [2018-09-20 13:46:22,370 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:46:22,371 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-09-20 13:46:22,379 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8850d01/6f4a0d160aa74a20ae5536e610fd125f/FLAG849259e43 [2018-09-20 13:46:22,397 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8850d01/6f4a0d160aa74a20ae5536e610fd125f [2018-09-20 13:46:22,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:46:22,404 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:46:22,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:22,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:46:22,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:46:22,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5658a2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22, skipping insertion in model container [2018-09-20 13:46:22,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,430 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:46:22,621 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:22,642 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:46:22,660 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:22,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22 WrapperNode [2018-09-20 13:46:22,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:22,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:46:22,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:46:22,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:46:22,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (1/1) ... [2018-09-20 13:46:22,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:46:22,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:46:22,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:46:22,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:46:22,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (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 [2018-09-20 13:46:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:46:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:46:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:46:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:46:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:46:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:46:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:46:23,417 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:46:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:23 BoogieIcfgContainer [2018-09-20 13:46:23,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:46:23,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:46:23,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:46:23,423 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:46:23,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:46:22" (1/3) ... [2018-09-20 13:46:23,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb3b8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:23, skipping insertion in model container [2018-09-20 13:46:23,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:22" (2/3) ... [2018-09-20 13:46:23,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb3b8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:23, skipping insertion in model container [2018-09-20 13:46:23,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:23" (3/3) ... [2018-09-20 13:46:23,426 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-09-20 13:46:23,435 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:46:23,444 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-09-20 13:46:23,499 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:46:23,501 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:46:23,502 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:46:23,502 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:46:23,502 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:46:23,502 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:46:23,503 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:46:23,503 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:46:23,503 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:46:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-09-20 13:46:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-20 13:46:23,534 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:46:23,535 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-20 13:46:23,539 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:46:23,545 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-09-20 13:46:23,547 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:46:23,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:46:23,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:46:23,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:46:23,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:46:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:46:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:46:23,633 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:46:23,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:46:23 BoogieIcfgContainer [2018-09-20 13:46:23,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:46:23,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:46:23,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:46:23,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:46:23,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:23" (3/4) ... [2018-09-20 13:46:23,655 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:46:23,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:46:23,656 INFO L168 Benchmark]: Toolchain (without parser) took 1254.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:23,658 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:23,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.42 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:23,660 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:23,660 INFO L168 Benchmark]: RCFGBuilder took 703.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:23,661 INFO L168 Benchmark]: TraceAbstraction took 229.80 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:23,662 INFO L168 Benchmark]: Witness Printer took 5.50 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. [2018-09-20 13:46:23,667 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.42 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 703.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 229.80 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.50 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: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 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=98occurred 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 13:46:26,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:46:26,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:46:26,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:46:26,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:46:26,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:46:26,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:46:26,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:46:26,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:46:26,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:46:26,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:46:26,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:46:26,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:46:26,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:46:26,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:46:26,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:46:26,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:46:26,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:46:26,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:46:26,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:46:26,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:46:26,166 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:46:26,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:46:26,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:46:26,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:46:26,171 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:46:26,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:46:26,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:46:26,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:46:26,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:46:26,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:46:26,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:46:26,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:46:26,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:46:26,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:46:26,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:46:26,189 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:46:26,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:46:26,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:46:26,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:46:26,206 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:46:26,207 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:46:26,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:46:26,207 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:46:26,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:46:26,207 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:46:26,208 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:46:26,209 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:46:26,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:46:26,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:46:26,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:46:26,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:46:26,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:46:26,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:46:26,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:46:26,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:46:26,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:46:26,211 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:46:26,212 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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-09-20 13:46:26,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:46:26,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:46:26,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:46:26,279 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:46:26,279 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:46:26,280 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-09-20 13:46:26,636 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc7951f6/982713df667d4e439da66d0c25c979d6/FLAG8b7c62050 [2018-09-20 13:46:26,844 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:46:26,851 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-09-20 13:46:26,857 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc7951f6/982713df667d4e439da66d0c25c979d6/FLAG8b7c62050 [2018-09-20 13:46:26,874 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdc7951f6/982713df667d4e439da66d0c25c979d6 [2018-09-20 13:46:26,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:46:26,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:46:26,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:26,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:46:26,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:46:26,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:26" (1/1) ... [2018-09-20 13:46:26,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c58c87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:26, skipping insertion in model container [2018-09-20 13:46:26,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:26" (1/1) ... [2018-09-20 13:46:26,907 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:46:27,123 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:27,149 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:46:27,162 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:27,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27 WrapperNode [2018-09-20 13:46:27,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:27,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:46:27,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:46:27,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:46:27,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (1/1) ... [2018-09-20 13:46:27,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:46:27,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:46:27,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:46:27,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:46:27,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (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 [2018-09-20 13:46:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:46:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:46:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:46:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:46:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:46:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:46:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:46:28,122 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:46:28,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:28 BoogieIcfgContainer [2018-09-20 13:46:28,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:46:28,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:46:28,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:46:28,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:46:28,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:46:26" (1/3) ... [2018-09-20 13:46:28,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d2bfea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:28, skipping insertion in model container [2018-09-20 13:46:28,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:27" (2/3) ... [2018-09-20 13:46:28,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d2bfea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:28, skipping insertion in model container [2018-09-20 13:46:28,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:28" (3/3) ... [2018-09-20 13:46:28,134 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-09-20 13:46:28,145 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:46:28,155 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-09-20 13:46:28,204 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:46:28,204 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:46:28,204 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:46:28,205 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:46:28,205 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:46:28,205 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:46:28,205 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:46:28,205 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:46:28,206 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:46:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-09-20 13:46:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-20 13:46:28,236 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:46:28,238 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-20 13:46:28,241 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:46:28,248 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-09-20 13:46:28,253 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-09-20 13:46:28,254 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-09-20 13:46:28,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:46:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:46:28,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:46:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:46:28,328 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-09-20 13:46:28,336 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:46:28,337 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 13:46:28,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 13:46:28,353 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 13:46:28,354 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 13:46:28,357 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-09-20 13:46:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:46:28,385 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2018-09-20 13:46:28,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 13:46:28,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-09-20 13:46:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:46:28,395 INFO L225 Difference]: With dead ends: 131 [2018-09-20 13:46:28,395 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:46:28,400 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 13:46:28,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:46:28,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:46:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:46:28,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:46:28,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-20 13:46:28,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:46:28,424 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:46:28,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 13:46:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:46:28,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:46:28,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:46:28,493 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:46:28,493 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:46:28,493 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:46:28,493 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:46:28,493 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:46:28,493 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:46:28,494 INFO L426 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-09-20 13:46:28,494 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 2 40) no Hoare annotation was computed. [2018-09-20 13:46:28,494 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 13:46:28,494 INFO L426 ceAbstractionStarter]: For program point L19-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,494 INFO L426 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-09-20 13:46:28,495 INFO L426 ceAbstractionStarter]: For program point L36-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,495 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 13:46:28,495 INFO L426 ceAbstractionStarter]: For program point L20-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,495 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point L37-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 13:46:28,496 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point L5-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-09-20 13:46:28,497 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 13:46:28,499 INFO L426 ceAbstractionStarter]: For program point L22-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,499 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L39-2(lines 2 40) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L6-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L23-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,500 INFO L426 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-09-20 13:46:28,501 INFO L426 ceAbstractionStarter]: For program point L7-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,501 INFO L426 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point L8-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-09-20 13:46:28,502 INFO L426 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-09-20 13:46:28,503 INFO L426 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-09-20 13:46:28,503 INFO L426 ceAbstractionStarter]: For program point L9-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,503 INFO L426 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-09-20 13:46:28,503 INFO L426 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-09-20 13:46:28,503 INFO L426 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-09-20 13:46:28,505 INFO L426 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-09-20 13:46:28,505 INFO L426 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point L10-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 13:46:28,506 INFO L426 ceAbstractionStarter]: For program point L27-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point L11-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 13:46:28,507 INFO L426 ceAbstractionStarter]: For program point L28-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,509 INFO L426 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-09-20 13:46:28,509 INFO L426 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-09-20 13:46:28,509 INFO L426 ceAbstractionStarter]: For program point L12-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,510 INFO L426 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-09-20 13:46:28,510 INFO L426 ceAbstractionStarter]: For program point L29-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,510 INFO L426 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-09-20 13:46:28,510 INFO L426 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-09-20 13:46:28,510 INFO L426 ceAbstractionStarter]: For program point L13-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,511 INFO L426 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-09-20 13:46:28,512 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-20 13:46:28,512 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 2 40) the Hoare annotation is: true [2018-09-20 13:46:28,512 INFO L426 ceAbstractionStarter]: For program point L30-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,512 INFO L426 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2018-09-20 13:46:28,512 INFO L426 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-09-20 13:46:28,512 INFO L426 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-09-20 13:46:28,513 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-20 13:46:28,513 INFO L426 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-09-20 13:46:28,513 INFO L426 ceAbstractionStarter]: For program point L31-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,513 INFO L426 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed. [2018-09-20 13:46:28,513 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-20 13:46:28,515 INFO L426 ceAbstractionStarter]: For program point L32-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,515 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 13:46:28,515 INFO L426 ceAbstractionStarter]: For program point L16-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,515 INFO L426 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-09-20 13:46:28,516 INFO L426 ceAbstractionStarter]: For program point L33-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,516 INFO L426 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-09-20 13:46:28,516 INFO L426 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-09-20 13:46:28,516 INFO L426 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-09-20 13:46:28,516 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point L17-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point L34-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 13:46:28,518 INFO L426 ceAbstractionStarter]: For program point L18-2(lines 3 40) no Hoare annotation was computed. [2018-09-20 13:46:28,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:46:28 BoogieIcfgContainer [2018-09-20 13:46:28,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:46:28,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:46:28,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:46:28,525 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:46:28,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:28" (3/4) ... [2018-09-20 13:46:28,531 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:46:28,539 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:46:28,540 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:46:28,547 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-09-20 13:46:28,548 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 13:46:28,548 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:46:28,623 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:46:28,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:46:28,624 INFO L168 Benchmark]: Toolchain (without parser) took 1746.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:28,626 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:28,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.34 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:28,628 INFO L168 Benchmark]: Boogie Preprocessor took 51.45 ms. Allocated memory is still 1.0 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:28,628 INFO L168 Benchmark]: RCFGBuilder took 886.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:28,629 INFO L168 Benchmark]: TraceAbstraction took 398.87 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:28,630 INFO L168 Benchmark]: Witness Printer took 98.37 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. [2018-09-20 13:46:28,634 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.34 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.45 ms. Allocated memory is still 1.0 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 886.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 398.87 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Witness Printer took 98.37 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: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 29]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...