./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c -s /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/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 05d2a3ff1add36607a16806c355c4adc86a8978e ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:59:35,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:59:35,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:59:35,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:59:35,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:59:35,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:59:35,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:59:35,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:59:35,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:59:35,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:59:35,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:59:35,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:59:35,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:59:35,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:59:35,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:59:35,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:59:35,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:59:35,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:59:35,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:59:35,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:59:35,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:59:35,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:59:35,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:59:35,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:59:35,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:59:35,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:59:35,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:59:35,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:59:35,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:59:35,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:59:35,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:59:35,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:59:35,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:59:35,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:59:35,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:59:35,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:59:35,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:59:35,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:59:35,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:59:35,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:59:35,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:59:35,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:59:35,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:59:35,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:59:35,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:59:35,602 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:59:35,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:59:35,602 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:59:35,602 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:59:35,602 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:59:35,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:59:35,603 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:59:35,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:59:35,603 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:59:35,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:59:35,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:59:35,603 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:59:35,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:59:35,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:59:35,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:59:35,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:59:35,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:59:35,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:59:35,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:59:35,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:35,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:59:35,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:59:35,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:59:35,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:59:35,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:59:35,607 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/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2019-12-07 14:59:35,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:59:35,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:59:35,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:59:35,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:59:35,718 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:59:35,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2019-12-07 14:59:35,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/data/1422ec19d/156ef81db2b545679f8acfd8ab39dcca/FLAG2564012f6 [2019-12-07 14:59:36,135 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:59:36,135 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2019-12-07 14:59:36,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/data/1422ec19d/156ef81db2b545679f8acfd8ab39dcca/FLAG2564012f6 [2019-12-07 14:59:36,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/data/1422ec19d/156ef81db2b545679f8acfd8ab39dcca [2019-12-07 14:59:36,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:59:36,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:59:36,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:36,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:59:36,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:59:36,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33476b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36, skipping insertion in model container [2019-12-07 14:59:36,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:59:36,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:59:36,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:36,434 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:59:36,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:36,495 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:59:36,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36 WrapperNode [2019-12-07 14:59:36,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:36,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:59:36,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:59:36,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:59:36,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:59:36,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:59:36,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:59:36,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:59:36,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... [2019-12-07 14:59:36,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:59:36,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:59:36,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:59:36,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:59:36,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/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 [2019-12-07 14:59:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:59:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:59:37,777 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:59:37,777 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 14:59:37,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:37 BoogieIcfgContainer [2019-12-07 14:59:37,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:59:37,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:59:37,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:59:37,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:59:37,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:59:36" (1/3) ... [2019-12-07 14:59:37,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ced0690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:37, skipping insertion in model container [2019-12-07 14:59:37,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:36" (2/3) ... [2019-12-07 14:59:37,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ced0690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:37, skipping insertion in model container [2019-12-07 14:59:37,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:37" (3/3) ... [2019-12-07 14:59:37,785 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label52.c [2019-12-07 14:59:37,794 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:59:37,799 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:59:37,806 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:59:37,822 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:59:37,822 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:59:37,822 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:59:37,822 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:59:37,822 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:59:37,822 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:59:37,823 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:59:37,823 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:59:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2019-12-07 14:59:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-07 14:59:37,839 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:37,839 INFO L410 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] [2019-12-07 14:59:37,840 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:37,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:37,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1323230105, now seen corresponding path program 1 times [2019-12-07 14:59:37,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:59:37,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866549022] [2019-12-07 14:59:37,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:38,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866549022] [2019-12-07 14:59:38,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:38,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:59:38,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64607273] [2019-12-07 14:59:38,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:38,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:59:38,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:38,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:38,137 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2019-12-07 14:59:38,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:38,555 INFO L93 Difference]: Finished difference Result 297 states and 569 transitions. [2019-12-07 14:59:38,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:59:38,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2019-12-07 14:59:38,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:38,567 INFO L225 Difference]: With dead ends: 297 [2019-12-07 14:59:38,567 INFO L226 Difference]: Without dead ends: 216 [2019-12-07 14:59:38,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-12-07 14:59:38,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-12-07 14:59:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 14:59:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 396 transitions. [2019-12-07 14:59:38,613 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 396 transitions. Word has length 71 [2019-12-07 14:59:38,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:38,614 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 396 transitions. [2019-12-07 14:59:38,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 396 transitions. [2019-12-07 14:59:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-07 14:59:38,618 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:38,618 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 14:59:38,618 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:38,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:38,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1566175285, now seen corresponding path program 1 times [2019-12-07 14:59:38,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:59:38,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991113500] [2019-12-07 14:59:38,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:38,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991113500] [2019-12-07 14:59:38,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:38,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:59:38,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224490208] [2019-12-07 14:59:38,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:59:38,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:59:38,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:59:38,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:59:38,663 INFO L87 Difference]: Start difference. First operand 216 states and 396 transitions. Second operand 3 states. [2019-12-07 14:59:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:38,872 INFO L93 Difference]: Finished difference Result 644 states and 1185 transitions. [2019-12-07 14:59:38,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:59:38,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-12-07 14:59:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:38,876 INFO L225 Difference]: With dead ends: 644 [2019-12-07 14:59:38,876 INFO L226 Difference]: Without dead ends: 429 [2019-12-07 14:59:38,877 INFO L630 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 [2019-12-07 14:59:38,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-12-07 14:59:38,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 287. [2019-12-07 14:59:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2019-12-07 14:59:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 491 transitions. [2019-12-07 14:59:38,891 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 491 transitions. Word has length 84 [2019-12-07 14:59:38,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:38,891 INFO L462 AbstractCegarLoop]: Abstraction has 287 states and 491 transitions. [2019-12-07 14:59:38,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:59:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 491 transitions. [2019-12-07 14:59:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-07 14:59:38,893 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:38,893 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 14:59:38,893 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:38,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:38,894 INFO L82 PathProgramCache]: Analyzing trace with hash -81007971, now seen corresponding path program 1 times [2019-12-07 14:59:38,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:59:38,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898292338] [2019-12-07 14:59:38,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-07 14:59:38,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898292338] [2019-12-07 14:59:38,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:38,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:59:38,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174375915] [2019-12-07 14:59:38,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:38,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:59:38,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:38,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:38,932 INFO L87 Difference]: Start difference. First operand 287 states and 491 transitions. Second operand 4 states. [2019-12-07 14:59:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:39,271 INFO L93 Difference]: Finished difference Result 1068 states and 1820 transitions. [2019-12-07 14:59:39,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:59:39,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-12-07 14:59:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:39,272 INFO L225 Difference]: With dead ends: 1068 [2019-12-07 14:59:39,272 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:59:39,274 INFO L630 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 [2019-12-07 14:59:39,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:59:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:59:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:59:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:59:39,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2019-12-07 14:59:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:39,275 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:59:39,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:59:39,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:59:39,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 14:59:39,317 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (or (and (= ~a17~0 1) (= ~a21~0 1)) (not (= ~a16~0 6)) (not (= 14 ~a8~0))) [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 14:59:39,318 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 14:59:39,319 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (and (= ~a17~0 1) (= ~a21~0 1)) (not (= ~a16~0 6)) (not (= 14 ~a8~0))) [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 14:59:39,320 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 14:59:39,321 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 14:59:39,322 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 14:59:39,322 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 14:59:39,322 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 14:59:39,322 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 14:59:39,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:59:39 BoogieIcfgContainer [2019-12-07 14:59:39,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:59:39,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:59:39,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:59:39,334 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:59:39,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:37" (3/4) ... [2019-12-07 14:59:39,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:59:39,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-07 14:59:39,352 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-07 14:59:39,353 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 14:59:39,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:59:39,432 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_087a1143-a8f2-40c7-af93-8aa2a1b1acf7/bin/utaipan/witness.graphml [2019-12-07 14:59:39,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:59:39,434 INFO L168 Benchmark]: Toolchain (without parser) took 3277.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:39,434 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:39,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:39,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.44 ms. Allocated memory is still 1.1 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. [2019-12-07 14:59:39,435 INFO L168 Benchmark]: Boogie Preprocessor took 37.67 ms. Allocated memory is still 1.1 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. [2019-12-07 14:59:39,435 INFO L168 Benchmark]: RCFGBuilder took 1195.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 853.4 MB in the end (delta: 213.7 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:39,436 INFO L168 Benchmark]: TraceAbstraction took 1554.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 853.4 MB in the beginning and 1.1 GB in the end (delta: -247.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:39,436 INFO L168 Benchmark]: Witness Printer took 98.63 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:39,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.44 ms. Allocated memory is still 1.1 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 37.67 ms. Allocated memory is still 1.1 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 1195.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 853.4 MB in the end (delta: 213.7 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1554.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 853.4 MB in the beginning and 1.1 GB in the end (delta: -247.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 98.63 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: 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: ((a17 == 1 && a21 == 1) || !(a16 == 6)) || !(14 == a8) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a17 == 1 && a21 == 1) || !(a16 == 6)) || !(14 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 392 SDslu, 22 SDs, 0 SdLazy, 854 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 142 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 33 HoareAnnotationTreeSize, 3 FomulaSimplifications, 240 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 37891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 41/41 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...