./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label58.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label58.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:52,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:52,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:52,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:52,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:52,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:52,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:52,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:52,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:52,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:52,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:52,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:52,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:52,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:52,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:52,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:52,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:52,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:52,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:52,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:52,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:52,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:52,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:52,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:52,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:52,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:52,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:52,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:52,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:52,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:52,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:52,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:52,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:52,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:52,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:52,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:52,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:52,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:52,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:52,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:52,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:52,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:52,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:52,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:52,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:52,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:52,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:52,824 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:52,825 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:52,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:52,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:52,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:52,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:52,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:52,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:52,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:52,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:52,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:52,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:52,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:52,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:52,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:52,832 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan 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 -> Taipan 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 -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2019-10-22 11:23:52,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:52,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:52,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:52,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:52,882 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:52,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label58.c [2019-10-22 11:23:52,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/data/d6f77533e/37760f2e86ef486e8bf08581b58b3b54/FLAG7ba5221a3 [2019-10-22 11:23:53,431 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:53,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/sv-benchmarks/c/eca-rers2012/Problem01_label58.c [2019-10-22 11:23:53,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/data/d6f77533e/37760f2e86ef486e8bf08581b58b3b54/FLAG7ba5221a3 [2019-10-22 11:23:53,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/data/d6f77533e/37760f2e86ef486e8bf08581b58b3b54 [2019-10-22 11:23:53,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:53,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:53,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:53,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:53,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:53,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5408eeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53, skipping insertion in model container [2019-10-22 11:23:53,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:53,979 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:54,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:54,421 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:54,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:54,523 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:54,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54 WrapperNode [2019-10-22 11:23:54,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:54,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:54,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:54,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:54,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:54,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:54,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:54,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:54,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... [2019-10-22 11:23:54,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:54,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:54,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:54,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:54,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:55,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:55,632 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:23:55,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55 BoogieIcfgContainer [2019-10-22 11:23:55,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:55,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:55,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:55,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:55,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:53" (1/3) ... [2019-10-22 11:23:55,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d37f8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:55, skipping insertion in model container [2019-10-22 11:23:55,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:54" (2/3) ... [2019-10-22 11:23:55,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d37f8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:55, skipping insertion in model container [2019-10-22 11:23:55,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55" (3/3) ... [2019-10-22 11:23:55,642 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label58.c [2019-10-22 11:23:55,651 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:55,658 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:55,670 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:55,702 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:55,703 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:55,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:55,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:55,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:55,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:55,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:55,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-22 11:23:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-22 11:23:55,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,739 INFO L380 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:55,741 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:55,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,747 INFO L82 PathProgramCache]: Analyzing trace with hash -2041810178, now seen corresponding path program 1 times [2019-10-22 11:23:55,755 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662305497] [2019-10-22 11:23:55,755 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,755 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662305497] [2019-10-22 11:23:56,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:56,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610351927] [2019-10-22 11:23:56,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:56,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:56,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:56,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:56,068 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-10-22 11:23:56,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,956 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-10-22 11:23:56,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:56,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-22 11:23:56,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,971 INFO L225 Difference]: With dead ends: 528 [2019-10-22 11:23:56,971 INFO L226 Difference]: Without dead ends: 266 [2019-10-22 11:23:56,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-10-22 11:23:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-10-22 11:23:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-10-22 11:23:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2019-10-22 11:23:57,034 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 99 [2019-10-22 11:23:57,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:57,034 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2019-10-22 11:23:57,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2019-10-22 11:23:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-22 11:23:57,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:57,037 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:57,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:57,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1569558074, now seen corresponding path program 1 times [2019-10-22 11:23:57,038 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:57,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985215295] [2019-10-22 11:23:57,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:57,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:57,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:23:57,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985215295] [2019-10-22 11:23:57,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:57,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:57,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725919010] [2019-10-22 11:23:57,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:57,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:57,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:57,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:57,175 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 4 states. [2019-10-22 11:23:57,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:57,852 INFO L93 Difference]: Finished difference Result 1054 states and 1488 transitions. [2019-10-22 11:23:57,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:57,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-22 11:23:57,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:57,857 INFO L225 Difference]: With dead ends: 1054 [2019-10-22 11:23:57,857 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 11:23:57,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 11:23:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-10-22 11:23:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-22 11:23:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 905 transitions. [2019-10-22 11:23:57,910 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 905 transitions. Word has length 103 [2019-10-22 11:23:57,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:57,911 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 905 transitions. [2019-10-22 11:23:57,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 905 transitions. [2019-10-22 11:23:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-22 11:23:57,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:57,917 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:57,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:57,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:57,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1361120082, now seen corresponding path program 1 times [2019-10-22 11:23:57,918 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:57,918 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480704665] [2019-10-22 11:23:57,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:57,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:57,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:23:58,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480704665] [2019-10-22 11:23:58,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:58,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:58,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491767680] [2019-10-22 11:23:58,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:58,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:58,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:58,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:58,027 INFO L87 Difference]: Start difference. First operand 659 states and 905 transitions. Second operand 3 states. [2019-10-22 11:23:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:58,396 INFO L93 Difference]: Finished difference Result 1578 states and 2178 transitions. [2019-10-22 11:23:58,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:58,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-22 11:23:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:58,400 INFO L225 Difference]: With dead ends: 1578 [2019-10-22 11:23:58,400 INFO L226 Difference]: Without dead ends: 921 [2019-10-22 11:23:58,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:58,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-10-22 11:23:58,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 659. [2019-10-22 11:23:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-22 11:23:58,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 887 transitions. [2019-10-22 11:23:58,423 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 887 transitions. Word has length 145 [2019-10-22 11:23:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:58,423 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 887 transitions. [2019-10-22 11:23:58,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 887 transitions. [2019-10-22 11:23:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-22 11:23:58,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:58,426 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:58,426 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:58,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:58,426 INFO L82 PathProgramCache]: Analyzing trace with hash -209864028, now seen corresponding path program 1 times [2019-10-22 11:23:58,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:58,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038363554] [2019-10-22 11:23:58,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:58,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:58,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-10-22 11:23:58,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038363554] [2019-10-22 11:23:58,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:58,543 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:58,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427186775] [2019-10-22 11:23:58,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:58,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:58,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:58,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:58,545 INFO L87 Difference]: Start difference. First operand 659 states and 887 transitions. Second operand 4 states. [2019-10-22 11:23:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:59,026 INFO L93 Difference]: Finished difference Result 1449 states and 1929 transitions. [2019-10-22 11:23:59,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:59,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2019-10-22 11:23:59,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:59,029 INFO L225 Difference]: With dead ends: 1449 [2019-10-22 11:23:59,029 INFO L226 Difference]: Without dead ends: 792 [2019-10-22 11:23:59,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-10-22 11:23:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2019-10-22 11:23:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-22 11:23:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1024 transitions. [2019-10-22 11:23:59,048 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1024 transitions. Word has length 149 [2019-10-22 11:23:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:59,049 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1024 transitions. [2019-10-22 11:23:59,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1024 transitions. [2019-10-22 11:23:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-22 11:23:59,052 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:59,052 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:59,053 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:59,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:59,053 INFO L82 PathProgramCache]: Analyzing trace with hash 681015148, now seen corresponding path program 1 times [2019-10-22 11:23:59,053 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:59,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014244512] [2019-10-22 11:23:59,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-22 11:23:59,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014244512] [2019-10-22 11:23:59,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:59,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:59,131 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188861194] [2019-10-22 11:23:59,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:59,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:59,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:59,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:59,132 INFO L87 Difference]: Start difference. First operand 790 states and 1024 transitions. Second operand 3 states. [2019-10-22 11:23:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:59,546 INFO L93 Difference]: Finished difference Result 1709 states and 2243 transitions. [2019-10-22 11:23:59,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:59,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-22 11:23:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:59,550 INFO L225 Difference]: With dead ends: 1709 [2019-10-22 11:23:59,550 INFO L226 Difference]: Without dead ends: 1052 [2019-10-22 11:23:59,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-10-22 11:23:59,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2019-10-22 11:23:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-10-22 11:23:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1322 transitions. [2019-10-22 11:23:59,572 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1322 transitions. Word has length 153 [2019-10-22 11:23:59,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:59,572 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1322 transitions. [2019-10-22 11:23:59,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1322 transitions. [2019-10-22 11:23:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-22 11:23:59,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:59,575 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:59,576 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:59,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:59,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1675138126, now seen corresponding path program 1 times [2019-10-22 11:23:59,576 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:59,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865126233] [2019-10-22 11:23:59,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:59,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-22 11:23:59,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865126233] [2019-10-22 11:23:59,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:59,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:59,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678522174] [2019-10-22 11:23:59,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:59,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:59,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:59,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:59,647 INFO L87 Difference]: Start difference. First operand 1052 states and 1322 transitions. Second operand 4 states. [2019-10-22 11:24:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:00,241 INFO L93 Difference]: Finished difference Result 3279 states and 4151 transitions. [2019-10-22 11:24:00,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:00,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2019-10-22 11:24:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:00,242 INFO L225 Difference]: With dead ends: 3279 [2019-10-22 11:24:00,242 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:00,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:00,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2019-10-22 11:24:00,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:00,247 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:00,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:00,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:00,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,365 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-22 11:24:00,366 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-22 11:24:00,367 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,368 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,369 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,369 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,369 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-22 11:24:00,370 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-22 11:24:00,371 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-22 11:24:00,371 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-22 11:24:00,371 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-22 11:24:00,371 INFO L439 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= 14 ~a8~0))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (= ~a20~0 1))) [2019-10-22 11:24:00,371 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,371 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-22 11:24:00,372 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L446 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,373 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,374 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-22 11:24:00,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= 14 ~a8~0))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (= ~a20~0 1))) [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,376 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,377 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,377 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 11:24:00,381 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,382 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-22 11:24:00,383 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:00,384 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 473) no Hoare annotation was computed. [2019-10-22 11:24:00,385 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-22 11:24:00,386 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-22 11:24:00,387 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-22 11:24:00,388 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-22 11:24:00,389 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-22 11:24:00,389 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 11:24:00,389 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-22 11:24:00,392 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-22 11:24:00,393 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-22 11:24:00,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:00 BoogieIcfgContainer [2019-10-22 11:24:00,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:00,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:00,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:00,414 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:00,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:55" (3/4) ... [2019-10-22 11:24:00,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:00,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:00,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:00,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef727243-b522-42e1-8f75-f51e452b887c/bin/utaipan/witness.graphml [2019-10-22 11:24:00,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:00,554 INFO L168 Benchmark]: Toolchain (without parser) took 6644.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 939.1 MB in the beginning and 939.6 MB in the end (delta: -503.6 kB). Peak memory consumption was 198.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,554 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:00,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,555 INFO L168 Benchmark]: Boogie Preprocessor took 67.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,555 INFO L168 Benchmark]: RCFGBuilder took 970.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,555 INFO L168 Benchmark]: TraceAbstraction took 4779.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 983.1 MB in the beginning and 961.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,556 INFO L168 Benchmark]: Witness Printer took 138.14 ms. Allocated memory is still 1.2 GB. Free memory was 961.5 MB in the beginning and 939.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:00,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 970.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4779.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 983.1 MB in the beginning and 961.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. * Witness Printer took 138.14 ms. Allocated memory is still 1.2 GB. Free memory was 961.5 MB in the beginning and 939.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 473]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && !(14 == a8))) || (!(14 == a8) && a21 == 1)) || a20 == 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && !(14 == a8))) || (!(14 == a8) && a21 == 1)) || a20 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 243 SDtfs, 1140 SDslu, 45 SDs, 0 SdLazy, 2547 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 395 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 807 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 220451 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 283/283 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...