/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float6_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/float6_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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 ............................................................................................................................................................................................................. 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/float6_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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:48:23,633 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:48:23,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:48:23,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:48:23,648 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:48:23,649 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:48:23,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:48:23,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:48:23,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:48:23,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:48:23,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:48:23,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:48:23,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:48:23,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:48:23,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:48:23,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:48:23,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:48:23,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:48:23,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:48:23,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:48:23,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:48:23,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:48:23,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:48:23,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:48:23,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:48:23,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:48:23,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:48:23,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:48:23,681 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:48:23,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:48:23,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:48:23,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:48:23,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:48:23,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:48:23,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:48:23,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:48:23,687 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:48:23,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:48:23,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:48:23,704 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:48:23,704 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:48:23,705 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:48:23,705 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:48:23,705 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:48:23,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:48:23,706 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:48:23,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:48:23,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:48:23,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:48:23,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:48:23,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:48:23,708 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:48:23,708 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:48:23,708 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:48:23,708 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:48:23,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:48:23,709 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:48:23,709 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:48:23,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:48:23,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:48:23,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:48:23,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:48:23,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:48:23,711 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:48:23,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:48:23,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:48:23,712 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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-09-20 13:48:23,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:48:23,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:48:23,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:48:23,807 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:48:23,807 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:48:23,808 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-09-20 13:48:24,156 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c0a5307/fecd7e9976c944f8b1e72ff80206a870/FLAG446fc2b26 [2018-09-20 13:48:24,347 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:48:24,347 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-09-20 13:48:24,360 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c0a5307/fecd7e9976c944f8b1e72ff80206a870/FLAG446fc2b26 [2018-09-20 13:48:24,388 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c0a5307/fecd7e9976c944f8b1e72ff80206a870 [2018-09-20 13:48:24,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:48:24,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:48:24,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:24,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:48:24,412 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:48:24,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4189a53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24, skipping insertion in model container [2018-09-20 13:48:24,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,431 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:48:24,723 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:24,745 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:48:24,765 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:24,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24 WrapperNode [2018-09-20 13:48:24,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:24,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:48:24,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:48:24,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:48:24,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (1/1) ... [2018-09-20 13:48:24,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:48:24,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:48:24,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:48:24,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:48:24,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (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 13:48:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:48:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:48:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:48:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-20 13:48:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:48:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 13:48:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:48:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:48:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:48:25,675 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:48:25,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:25 BoogieIcfgContainer [2018-09-20 13:48:25,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:48:25,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:48:25,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:48:25,682 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:48:25,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:48:24" (1/3) ... [2018-09-20 13:48:25,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbb1c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:25, skipping insertion in model container [2018-09-20 13:48:25,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:24" (2/3) ... [2018-09-20 13:48:25,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbb1c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:25, skipping insertion in model container [2018-09-20 13:48:25,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:25" (3/3) ... [2018-09-20 13:48:25,687 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-09-20 13:48:25,697 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:48:25,712 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-09-20 13:48:25,769 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:48:25,770 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:48:25,770 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:48:25,770 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:48:25,770 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:48:25,771 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:48:25,771 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:48:25,771 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:48:25,771 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:48:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-20 13:48:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-20 13:48:25,808 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:25,809 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-20 13:48:25,812 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:25,818 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-09-20 13:48:25,820 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:48:25,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:48:25,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:48:25,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:25,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:48:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:48:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:48:25,907 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:48:25,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:48:25 BoogieIcfgContainer [2018-09-20 13:48:25,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:48:25,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:48:25,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:48:25,924 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:48:25,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:25" (3/4) ... [2018-09-20 13:48:25,929 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:48:25,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:48:25,930 INFO L168 Benchmark]: Toolchain (without parser) took 1535.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -94.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:25,932 INFO L168 Benchmark]: CDTParser took 0.20 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 13:48:25,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:25,933 INFO L168 Benchmark]: Boogie Preprocessor took 38.46 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:48:25,934 INFO L168 Benchmark]: RCFGBuilder took 856.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:25,935 INFO L168 Benchmark]: TraceAbstraction took 245.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:25,936 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:48:25,941 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.46 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 856.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 245.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 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=117occurred 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 13:48:28,399 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:48:28,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:48:28,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:48:28,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:48:28,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:48:28,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:48:28,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:48:28,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:48:28,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:48:28,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:48:28,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:48:28,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:48:28,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:48:28,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:48:28,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:48:28,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:48:28,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:48:28,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:48:28,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:48:28,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:48:28,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:48:28,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:48:28,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:48:28,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:48:28,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:48:28,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:48:28,465 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:48:28,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:48:28,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:48:28,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:48:28,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:48:28,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:48:28,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:48:28,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:48:28,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:48:28,472 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:48:28,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:48:28,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:48:28,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:48:28,499 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:48:28,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:48:28,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:48:28,501 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:48:28,501 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:48:28,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:48:28,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:48:28,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:48:28,502 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:48:28,502 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:48:28,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:48:28,504 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:48:28,504 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:48:28,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:48:28,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:48:28,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:48:28,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:48:28,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:48:28,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:48:28,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:48:28,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:48:28,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:48:28,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:48:28,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:48:28,509 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:48:28,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:48:28,509 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:48:28,509 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:48:28,509 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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-09-20 13:48:28,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:48:28,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:48:28,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:48:28,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:48:28,593 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:48:28,594 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-09-20 13:48:28,947 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ab25e33/bbb6a4b1776b4c75a6e44351acfefb5d/FLAG9409dda0b [2018-09-20 13:48:29,115 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:48:29,116 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-09-20 13:48:29,127 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ab25e33/bbb6a4b1776b4c75a6e44351acfefb5d/FLAG9409dda0b [2018-09-20 13:48:29,143 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2ab25e33/bbb6a4b1776b4c75a6e44351acfefb5d [2018-09-20 13:48:29,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:48:29,150 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:48:29,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:29,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:48:29,158 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:48:29,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7427b05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29, skipping insertion in model container [2018-09-20 13:48:29,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,175 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:48:29,409 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:29,433 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:48:29,456 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:29,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29 WrapperNode [2018-09-20 13:48:29,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:29,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:48:29,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:48:29,492 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:48:29,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (1/1) ... [2018-09-20 13:48:29,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:48:29,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:48:29,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:48:29,555 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:48:29,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (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 13:48:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:48:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:48:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-20 13:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 13:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:48:30,452 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:48:30,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:30 BoogieIcfgContainer [2018-09-20 13:48:30,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:48:30,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:48:30,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:48:30,458 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:48:30,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:48:29" (1/3) ... [2018-09-20 13:48:30,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4605f5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:30, skipping insertion in model container [2018-09-20 13:48:30,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:29" (2/3) ... [2018-09-20 13:48:30,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4605f5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:30, skipping insertion in model container [2018-09-20 13:48:30,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:30" (3/3) ... [2018-09-20 13:48:30,463 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-09-20 13:48:30,473 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:48:30,483 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-09-20 13:48:30,537 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:48:30,538 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:48:30,538 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:48:30,538 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:48:30,539 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:48:30,539 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:48:30,540 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:48:30,540 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:48:30,540 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:48:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-20 13:48:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-20 13:48:30,584 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:30,585 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-20 13:48:30,591 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:30,597 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-09-20 13:48:30,601 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-09-20 13:48:30,602 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 13:48:30,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:30,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:30,673 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 13:48:30,673 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:30,681 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:30,681 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 13:48:30,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 13:48:30,698 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 13:48:30,699 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 13:48:30,702 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-09-20 13:48:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:30,732 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2018-09-20 13:48:30,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 13:48:30,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-09-20 13:48:30,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:30,744 INFO L225 Difference]: With dead ends: 185 [2018-09-20 13:48:30,745 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 13:48:30,749 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 13:48:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 13:48:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-09-20 13:48:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-09-20 13:48:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2018-09-20 13:48:30,796 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 6 [2018-09-20 13:48:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:30,797 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2018-09-20 13:48:30,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 13:48:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2018-09-20 13:48:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-20 13:48:30,802 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:30,802 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:30,804 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:30,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1984689679, now seen corresponding path program 1 times [2018-09-20 13:48:30,806 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:30,807 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 [2018-09-20 13:48:30,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:30,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:30,918 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 13:48:30,918 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:30,935 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:30,936 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 13:48:30,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 13:48:30,939 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 13:48:30,940 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 13:48:30,940 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand 3 states. [2018-09-20 13:48:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:31,211 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2018-09-20 13:48:31,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 13:48:31,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-09-20 13:48:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:31,212 INFO L225 Difference]: With dead ends: 69 [2018-09-20 13:48:31,213 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:48:31,215 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 13:48:31,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:48:31,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:48:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:48:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:48:31,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-09-20 13:48:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:31,216 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:48:31,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 13:48:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:48:31,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:48:31,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:48:31,282 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:48:31,283 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:48:31,283 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:48:31,283 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:48:31,283 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:48:31,283 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:48:31,283 INFO L426 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,283 INFO L426 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 4 48) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,284 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 13:48:31,285 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,286 INFO L426 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,287 INFO L426 ceAbstractionStarter]: For program point L7-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-09-20 13:48:31,288 INFO L426 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-09-20 13:48:31,289 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-09-20 13:48:31,290 INFO L426 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-09-20 13:48:31,291 INFO L426 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,292 INFO L426 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-09-20 13:48:31,293 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,294 INFO L426 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-09-20 13:48:31,295 INFO L426 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-09-20 13:48:31,295 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-20 13:48:31,295 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 4 48) the Hoare annotation is: true [2018-09-20 13:48:31,295 INFO L426 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-09-20 13:48:31,295 INFO L426 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,295 INFO L426 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point L47-2(lines 4 48) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,296 INFO L426 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-09-20 13:48:31,297 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 13:48:31,298 INFO L426 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2018-09-20 13:48:31,299 INFO L426 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-09-20 13:48:31,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:48:31 BoogieIcfgContainer [2018-09-20 13:48:31,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:48:31,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:48:31,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:48:31,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:48:31,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:30" (3/4) ... [2018-09-20 13:48:31,310 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:48:31,317 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:48:31,318 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:48:31,326 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-09-20 13:48:31,327 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 13:48:31,327 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:48:31,413 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:48:31,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:48:31,416 INFO L168 Benchmark]: Toolchain (without parser) took 2269.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:31,418 INFO L168 Benchmark]: CDTParser took 0.21 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 13:48:31,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.16 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 13:48:31,419 INFO L168 Benchmark]: Boogie Preprocessor took 62.67 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:31,424 INFO L168 Benchmark]: RCFGBuilder took 898.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:31,425 INFO L168 Benchmark]: TraceAbstraction took 850.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:31,426 INFO L168 Benchmark]: Witness Printer took 110.96 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 13:48:31,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 340.16 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 62.67 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 898.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 850.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Witness Printer took 110.96 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: 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: 47]: 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: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 41]: 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: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 14]: 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 - PositiveResult [Line: 19]: 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: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 46]: 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: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 35]: 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: 32]: 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: 30]: 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: 39]: 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: 34]: 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: 21]: 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 17 SDslu, 22 SDs, 0 SdLazy, 17 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 2 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 4 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...