./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label53.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_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label53.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/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 cae8686038ca87cfc982771df117a4c5585b00bb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:21:56,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:56,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:56,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:56,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:56,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:56,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:56,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:56,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:56,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:56,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:56,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:56,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:56,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:56,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:56,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:56,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:56,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:56,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:56,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:56,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:56,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:56,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:56,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:56,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:56,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:56,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:56,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:56,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:56,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:56,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:56,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:56,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:56,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:56,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:56,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:56,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:56,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:56,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:56,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:56,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:56,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:56,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:56,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:56,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:56,694 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:56,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:56,694 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:56,695 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:56,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:56,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:56,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:56,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:56,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:56,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:56,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:56,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:56,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:56,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:56,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:56,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:56,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:56,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:56,702 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:56,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:56,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:56,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:56,702 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_2ae3fc4a-d04a-4661-aeb3-924f8331732d/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 -> cae8686038ca87cfc982771df117a4c5585b00bb [2019-10-22 11:21:56,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:56,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:56,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:56,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:56,760 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:56,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label53.c [2019-10-22 11:21:56,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/data/e87f25230/3359094878cd41fb80e81835f9a10739/FLAGa28fcb35f [2019-10-22 11:21:57,298 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:57,298 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/sv-benchmarks/c/eca-rers2012/Problem02_label53.c [2019-10-22 11:21:57,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/data/e87f25230/3359094878cd41fb80e81835f9a10739/FLAGa28fcb35f [2019-10-22 11:21:57,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/data/e87f25230/3359094878cd41fb80e81835f9a10739 [2019-10-22 11:21:57,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:57,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:57,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:57,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:57,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:57,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24da03c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57, skipping insertion in model container [2019-10-22 11:21:57,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,619 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:57,678 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:58,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:58,031 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:58,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:58,175 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:58,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58 WrapperNode [2019-10-22 11:21:58,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:58,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:58,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:58,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:58,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:58,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:58,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:58,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:58,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... [2019-10-22 11:21:58,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:58,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:58,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:58,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:58,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/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 11:21:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:59,388 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:59,389 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:21:59,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:59 BoogieIcfgContainer [2019-10-22 11:21:59,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:59,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:59,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:59,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:59,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:57" (1/3) ... [2019-10-22 11:21:59,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482b842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:59, skipping insertion in model container [2019-10-22 11:21:59,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:58" (2/3) ... [2019-10-22 11:21:59,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482b842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:59, skipping insertion in model container [2019-10-22 11:21:59,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:59" (3/3) ... [2019-10-22 11:21:59,397 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2019-10-22 11:21:59,407 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:59,414 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:59,426 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:59,447 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:59,447 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:59,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:59,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:59,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:59,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:59,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:59,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:21:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-22 11:21:59,475 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:59,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:59,478 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:59,483 INFO L82 PathProgramCache]: Analyzing trace with hash 96826285, now seen corresponding path program 1 times [2019-10-22 11:21:59,491 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:59,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167557169] [2019-10-22 11:21:59,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:59,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:59,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:59,885 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 11:21:59,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167557169] [2019-10-22 11:21:59,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:59,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:59,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526400860] [2019-10-22 11:21:59,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:59,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:59,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:59,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:59,912 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-10-22 11:22:00,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:00,693 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-10-22 11:22:00,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:00,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-22 11:22:00,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:00,710 INFO L225 Difference]: With dead ends: 601 [2019-10-22 11:22:00,712 INFO L226 Difference]: Without dead ends: 310 [2019-10-22 11:22:00,716 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 11:22:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-10-22 11:22:00,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-10-22 11:22:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-22 11:22:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-10-22 11:22:00,765 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 138 [2019-10-22 11:22:00,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:00,766 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-10-22 11:22:00,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-10-22 11:22:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-22 11:22:00,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:00,770 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:00,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:00,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash -822144914, now seen corresponding path program 1 times [2019-10-22 11:22:00,771 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:00,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015004912] [2019-10-22 11:22:00,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:00,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:00,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:00,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015004912] [2019-10-22 11:22:00,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:00,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:00,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925568696] [2019-10-22 11:22:00,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:00,932 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:00,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:00,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:00,933 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-10-22 11:22:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:01,607 INFO L93 Difference]: Finished difference Result 1198 states and 1732 transitions. [2019-10-22 11:22:01,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:01,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2019-10-22 11:22:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:01,612 INFO L225 Difference]: With dead ends: 1198 [2019-10-22 11:22:01,613 INFO L226 Difference]: Without dead ends: 890 [2019-10-22 11:22:01,615 INFO L600 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 [2019-10-22 11:22:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2019-10-22 11:22:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 593. [2019-10-22 11:22:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-10-22 11:22:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 826 transitions. [2019-10-22 11:22:01,659 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 826 transitions. Word has length 156 [2019-10-22 11:22:01,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:01,660 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 826 transitions. [2019-10-22 11:22:01,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 826 transitions. [2019-10-22 11:22:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-22 11:22:01,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:01,664 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:01,664 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:01,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1189833653, now seen corresponding path program 1 times [2019-10-22 11:22:01,665 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:01,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789165483] [2019-10-22 11:22:01,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:01,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:01,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:01,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789165483] [2019-10-22 11:22:01,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:01,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:01,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138348786] [2019-10-22 11:22:01,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:01,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:01,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:01,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:01,762 INFO L87 Difference]: Start difference. First operand 593 states and 826 transitions. Second operand 4 states. [2019-10-22 11:22:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:02,442 INFO L93 Difference]: Finished difference Result 2170 states and 3015 transitions. [2019-10-22 11:22:02,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:02,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2019-10-22 11:22:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:02,449 INFO L225 Difference]: With dead ends: 2170 [2019-10-22 11:22:02,450 INFO L226 Difference]: Without dead ends: 1579 [2019-10-22 11:22:02,452 INFO L600 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 [2019-10-22 11:22:02,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2019-10-22 11:22:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1575. [2019-10-22 11:22:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1575 states. [2019-10-22 11:22:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 1978 transitions. [2019-10-22 11:22:02,520 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 1978 transitions. Word has length 167 [2019-10-22 11:22:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:02,521 INFO L462 AbstractCegarLoop]: Abstraction has 1575 states and 1978 transitions. [2019-10-22 11:22:02,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1978 transitions. [2019-10-22 11:22:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-22 11:22:02,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:02,531 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:02,532 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:02,532 INFO L82 PathProgramCache]: Analyzing trace with hash 336352955, now seen corresponding path program 1 times [2019-10-22 11:22:02,532 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:02,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647138107] [2019-10-22 11:22:02,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:02,533 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:02,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 11:22:02,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647138107] [2019-10-22 11:22:02,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:02,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:02,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649573795] [2019-10-22 11:22:02,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:02,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:02,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:02,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:02,641 INFO L87 Difference]: Start difference. First operand 1575 states and 1978 transitions. Second operand 4 states. [2019-10-22 11:22:03,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:03,374 INFO L93 Difference]: Finished difference Result 5542 states and 7011 transitions. [2019-10-22 11:22:03,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:03,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 183 [2019-10-22 11:22:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:03,384 INFO L225 Difference]: With dead ends: 5542 [2019-10-22 11:22:03,385 INFO L226 Difference]: Without dead ends: 3969 [2019-10-22 11:22:03,387 INFO L600 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 [2019-10-22 11:22:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2019-10-22 11:22:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 2273. [2019-10-22 11:22:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2019-10-22 11:22:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 2839 transitions. [2019-10-22 11:22:03,440 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 2839 transitions. Word has length 183 [2019-10-22 11:22:03,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:03,440 INFO L462 AbstractCegarLoop]: Abstraction has 2273 states and 2839 transitions. [2019-10-22 11:22:03,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2839 transitions. [2019-10-22 11:22:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-22 11:22:03,445 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:03,445 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:03,445 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:03,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:03,446 INFO L82 PathProgramCache]: Analyzing trace with hash -172617519, now seen corresponding path program 1 times [2019-10-22 11:22:03,446 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:03,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221170142] [2019-10-22 11:22:03,446 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:03,446 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:03,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-22 11:22:03,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221170142] [2019-10-22 11:22:03,513 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:03,514 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:03,514 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253444570] [2019-10-22 11:22:03,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:03,514 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:03,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:03,515 INFO L87 Difference]: Start difference. First operand 2273 states and 2839 transitions. Second operand 3 states. [2019-10-22 11:22:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:03,942 INFO L93 Difference]: Finished difference Result 4966 states and 6204 transitions. [2019-10-22 11:22:03,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:03,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-22 11:22:03,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:03,949 INFO L225 Difference]: With dead ends: 4966 [2019-10-22 11:22:03,949 INFO L226 Difference]: Without dead ends: 2695 [2019-10-22 11:22:03,952 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:22:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2019-10-22 11:22:03,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2413. [2019-10-22 11:22:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2019-10-22 11:22:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 2949 transitions. [2019-10-22 11:22:03,998 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 2949 transitions. Word has length 191 [2019-10-22 11:22:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:03,998 INFO L462 AbstractCegarLoop]: Abstraction has 2413 states and 2949 transitions. [2019-10-22 11:22:03,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 2949 transitions. [2019-10-22 11:22:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-22 11:22:04,004 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:04,004 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:04,004 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:04,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:04,004 INFO L82 PathProgramCache]: Analyzing trace with hash 994177709, now seen corresponding path program 1 times [2019-10-22 11:22:04,005 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:04,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909783229] [2019-10-22 11:22:04,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:04,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:04,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-22 11:22:04,088 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909783229] [2019-10-22 11:22:04,088 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:04,088 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:04,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195516447] [2019-10-22 11:22:04,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:04,089 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:04,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:04,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:04,090 INFO L87 Difference]: Start difference. First operand 2413 states and 2949 transitions. Second operand 4 states. [2019-10-22 11:22:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:04,826 INFO L93 Difference]: Finished difference Result 5526 states and 6724 transitions. [2019-10-22 11:22:04,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:04,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2019-10-22 11:22:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:04,836 INFO L225 Difference]: With dead ends: 5526 [2019-10-22 11:22:04,836 INFO L226 Difference]: Without dead ends: 2693 [2019-10-22 11:22:04,838 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 11:22:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2019-10-22 11:22:04,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2551. [2019-10-22 11:22:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2551 states. [2019-10-22 11:22:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 2863 transitions. [2019-10-22 11:22:04,881 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 2863 transitions. Word has length 210 [2019-10-22 11:22:04,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:04,881 INFO L462 AbstractCegarLoop]: Abstraction has 2551 states and 2863 transitions. [2019-10-22 11:22:04,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2863 transitions. [2019-10-22 11:22:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-22 11:22:04,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:04,892 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:04,892 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:04,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:04,893 INFO L82 PathProgramCache]: Analyzing trace with hash 353220855, now seen corresponding path program 1 times [2019-10-22 11:22:04,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:04,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371124403] [2019-10-22 11:22:04,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:04,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:04,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-22 11:22:04,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371124403] [2019-10-22 11:22:04,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:04,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:04,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454235759] [2019-10-22 11:22:04,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:04,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:04,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:04,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:04,957 INFO L87 Difference]: Start difference. First operand 2551 states and 2863 transitions. Second operand 3 states. [2019-10-22 11:22:05,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:05,311 INFO L93 Difference]: Finished difference Result 5383 states and 6005 transitions. [2019-10-22 11:22:05,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:05,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-22 11:22:05,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:05,320 INFO L225 Difference]: With dead ends: 5383 [2019-10-22 11:22:05,320 INFO L226 Difference]: Without dead ends: 2694 [2019-10-22 11:22:05,323 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:22:05,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-10-22 11:22:05,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2689. [2019-10-22 11:22:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2019-10-22 11:22:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 2907 transitions. [2019-10-22 11:22:05,364 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 2907 transitions. Word has length 214 [2019-10-22 11:22:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:05,364 INFO L462 AbstractCegarLoop]: Abstraction has 2689 states and 2907 transitions. [2019-10-22 11:22:05,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 2907 transitions. [2019-10-22 11:22:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-22 11:22:05,369 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:05,370 INFO L380 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:05,370 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:05,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:05,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1103222262, now seen corresponding path program 1 times [2019-10-22 11:22:05,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:05,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656137458] [2019-10-22 11:22:05,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:05,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:05,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:05,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656137458] [2019-10-22 11:22:05,507 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:05,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:05,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277362881] [2019-10-22 11:22:05,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:05,508 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:05,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:05,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:05,508 INFO L87 Difference]: Start difference. First operand 2689 states and 2907 transitions. Second operand 4 states. [2019-10-22 11:22:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:06,085 INFO L93 Difference]: Finished difference Result 5381 states and 5817 transitions. [2019-10-22 11:22:06,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:06,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2019-10-22 11:22:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:06,092 INFO L225 Difference]: With dead ends: 5381 [2019-10-22 11:22:06,092 INFO L226 Difference]: Without dead ends: 2694 [2019-10-22 11:22:06,095 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 11:22:06,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-10-22 11:22:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2689. [2019-10-22 11:22:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2019-10-22 11:22:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 2893 transitions. [2019-10-22 11:22:06,162 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 2893 transitions. Word has length 215 [2019-10-22 11:22:06,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:06,163 INFO L462 AbstractCegarLoop]: Abstraction has 2689 states and 2893 transitions. [2019-10-22 11:22:06,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 2893 transitions. [2019-10-22 11:22:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-22 11:22:06,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:06,169 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:06,169 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:06,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:06,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1966560280, now seen corresponding path program 1 times [2019-10-22 11:22:06,170 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:06,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183454879] [2019-10-22 11:22:06,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:06,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:06,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 11:22:06,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183454879] [2019-10-22 11:22:06,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:06,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:06,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917191281] [2019-10-22 11:22:06,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:06,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:06,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:06,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:06,308 INFO L87 Difference]: Start difference. First operand 2689 states and 2893 transitions. Second operand 4 states. [2019-10-22 11:22:06,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:06,843 INFO L93 Difference]: Finished difference Result 5934 states and 6382 transitions. [2019-10-22 11:22:06,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:06,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236 [2019-10-22 11:22:06,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:06,844 INFO L225 Difference]: With dead ends: 5934 [2019-10-22 11:22:06,845 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:06,848 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 11:22:06,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:06,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2019-10-22 11:22:06,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:06,849 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:06,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:06,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:06,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:07,183 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2019-10-22 11:22:07,405 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 11:22:07,407 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:22:07,408 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 11:22:07,409 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 11:22:07,410 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,413 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,414 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 11:22:07,415 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 11:22:07,415 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 11:22:07,415 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 11:22:07,416 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 11:22:07,417 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 11:22:07,418 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 11:22:07,418 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 11:22:07,418 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 11:22:07,419 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:22:07,419 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:22:07,419 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 11:22:07,420 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:22:07,421 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:22:07,421 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 11:22:07,421 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse2 (= ~a28~0 7)) (.cse1 (not .cse4)) (.cse6 (not (= 8 ~a28~0))) (.cse5 (not (= ~a28~0 11))) (.cse0 (not (= 1 ~a11~0))) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1) (and (<= 10 ~a28~0) .cse1) (and .cse0 .cse2) (and .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 (and .cse1 .cse3)) (and .cse6 (= ~a17~0 7) .cse4 .cse5) (and (= 10 ~a28~0) .cse0) (and .cse0 .cse3)))) [2019-10-22 11:22:07,422 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,422 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,422 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 11:22:07,423 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 11:22:07,424 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 11:22:07,425 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 11:22:07,426 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse2 (= ~a28~0 7)) (.cse1 (not .cse4)) (.cse6 (not (= 8 ~a28~0))) (.cse5 (not (= ~a28~0 11))) (.cse0 (not (= 1 ~a11~0))) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1) (and (<= 10 ~a28~0) .cse1) (and .cse0 .cse2) (and .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 (and .cse1 .cse3)) (and .cse6 (= ~a17~0 7) .cse4 .cse5) (and (= 10 ~a28~0) .cse0) (and .cse0 .cse3)))) [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 11:22:07,427 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,428 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 11:22:07,429 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,430 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 11:22:07,431 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 11:22:07,432 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:22:07,433 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 11:22:07,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:07 BoogieIcfgContainer [2019-10-22 11:22:07,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:07,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:07,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:07,462 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:07,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:59" (3/4) ... [2019-10-22 11:22:07,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:07,486 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:07,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:07,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ae3fc4a-d04a-4661-aeb3-924f8331732d/bin/utaipan/witness.graphml [2019-10-22 11:22:07,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:07,636 INFO L168 Benchmark]: Toolchain (without parser) took 10047.73 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 443.5 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 367.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,636 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,637 INFO L168 Benchmark]: Boogie Preprocessor took 60.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,637 INFO L168 Benchmark]: RCFGBuilder took 1090.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.5 MB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,637 INFO L168 Benchmark]: TraceAbstraction took 8070.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 315.6 MB). Free memory was 986.5 MB in the beginning and 1.0 GB in the end (delta: -62.3 MB). Peak memory consumption was 253.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,638 INFO L168 Benchmark]: Witness Printer took 173.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 586.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1090.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.5 MB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8070.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 315.6 MB). Free memory was 986.5 MB in the beginning and 1.0 GB in the end (delta: -62.3 MB). Peak memory consumption was 253.4 MB. Max. memory is 11.5 GB. * Witness Printer took 173.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a11) && !(a25 == 1)) || (10 <= a28 && !(a25 == 1))) || (!(1 == a11) && a28 == 7)) || (!(a25 == 1) && a28 == 7)) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || (!(8 == a28) && !(a25 == 1) && a19 == 1)) || (((!(8 == a28) && a17 == 7) && a25 == 1) && !(a28 == 11))) || (10 == a28 && !(1 == a11))) || (!(1 == a11) && a19 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((!(1 == a11) && !(a25 == 1)) || (10 <= a28 && !(a25 == 1))) || (!(1 == a11) && a28 == 7)) || (!(a25 == 1) && a28 == 7)) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || (!(8 == a28) && !(a25 == 1) && a19 == 1)) || (((!(8 == a28) && a17 == 7) && a25 == 1) && !(a28 == 11))) || (10 == a28 && !(1 == a11))) || (!(1 == a11) && a19 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1229 SDtfs, 2040 SDslu, 284 SDs, 0 SdLazy, 5156 SolverSat, 851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2689occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 2431 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 179 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1044 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1172 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1710 NumberOfCodeBlocks, 1710 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1701 ConstructedInterpolants, 0 QuantifiedInterpolants, 617295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 692/692 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...