./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.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_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/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 38eca36787df6152c26f941ea8052099b3b63076 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:57,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:20:57,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:20:57,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:20:57,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:20:57,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:20:57,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:20:57,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:20:57,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:20:57,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:20:57,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:20:57,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:20:57,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:20:57,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:20:57,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:20:57,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:20:57,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:20:57,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:20:57,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:20:57,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:20:57,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:20:57,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:20:57,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:20:57,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:20:57,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:20:57,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:20:57,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:20:57,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:20:57,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:20:57,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:20:57,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:20:57,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:20:57,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:20:57,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:20:57,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:20:57,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:20:57,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:20:57,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:20:57,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:20:57,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:20:57,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:20:57,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:20:57,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:20:57,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:20:57,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:20:57,493 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:20:57,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:20:57,499 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:20:57,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:20:57,500 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:20:57,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:20:57,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:20:57,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:20:57,500 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:20:57,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:20:57,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:20:57,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:20:57,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:20:57,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:20:57,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:20:57,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:20:57,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:20:57,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:20:57,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:20:57,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:57,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:20:57,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:20:57,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:20:57,504 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:20:57,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:20:57,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:20:57,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:20:57,505 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_9a4c507c-33ab-4f56-a3a8-c21f3b276846/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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2019-10-22 11:20:57,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:20:57,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:20:57,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:20:57,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:20:57,556 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:20:57,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2019-10-22 11:20:57,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/data/52cd62c8c/6e999083fdf04e36b803ce287ed3ecaf/FLAGe51f55fcf [2019-10-22 11:20:58,042 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:20:58,047 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2019-10-22 11:20:58,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/data/52cd62c8c/6e999083fdf04e36b803ce287ed3ecaf/FLAGe51f55fcf [2019-10-22 11:20:58,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/data/52cd62c8c/6e999083fdf04e36b803ce287ed3ecaf [2019-10-22 11:20:58,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:20:58,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:20:58,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:58,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:20:58,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:20:58,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:58,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519e54da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58, skipping insertion in model container [2019-10-22 11:20:58,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:58,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:20:58,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:20:58,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:58,865 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:20:58,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:58,967 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:20:58,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58 WrapperNode [2019-10-22 11:20:58,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:58,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:58,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:20:58,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:20:58,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:58,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:59,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:20:59,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:20:59,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:20:59,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... [2019-10-22 11:20:59,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:20:59,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:20:59,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:20:59,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:20:59,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/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 11:20:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:20:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:00,312 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:00,312 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:21:00,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:00 BoogieIcfgContainer [2019-10-22 11:21:00,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:00,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:00,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:00,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:00,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:20:58" (1/3) ... [2019-10-22 11:21:00,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baea79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:00, skipping insertion in model container [2019-10-22 11:21:00,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:58" (2/3) ... [2019-10-22 11:21:00,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baea79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:00, skipping insertion in model container [2019-10-22 11:21:00,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:00" (3/3) ... [2019-10-22 11:21:00,323 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2019-10-22 11:21:00,333 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:00,340 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:00,350 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:00,382 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:00,382 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:00,382 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:00,383 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:00,383 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:00,383 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:00,383 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:00,383 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 11:21:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 11:21:00,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:00,414 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] [2019-10-22 11:21:00,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:00,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:00,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2019-10-22 11:21:00,429 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:00,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923423479] [2019-10-22 11:21:00,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:00,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:00,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:00,724 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 11:21:00,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923423479] [2019-10-22 11:21:00,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:00,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:00,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713178944] [2019-10-22 11:21:00,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:00,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:00,752 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-10-22 11:21:01,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:01,954 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-10-22 11:21:01,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:01,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-22 11:21:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:01,973 INFO L225 Difference]: With dead ends: 709 [2019-10-22 11:21:01,974 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 11:21:01,983 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 11:21:02,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 11:21:02,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-10-22 11:21:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 11:21:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-10-22 11:21:02,035 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 61 [2019-10-22 11:21:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:02,035 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-10-22 11:21:02,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-10-22 11:21:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-22 11:21:02,039 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:02,039 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, 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] [2019-10-22 11:21:02,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:02,040 INFO L82 PathProgramCache]: Analyzing trace with hash -270262724, now seen corresponding path program 1 times [2019-10-22 11:21:02,040 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:02,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576292623] [2019-10-22 11:21:02,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:02,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:02,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:02,231 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576292623] [2019-10-22 11:21:02,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:02,231 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:02,231 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015707735] [2019-10-22 11:21:02,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:02,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:02,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:02,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:02,233 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-10-22 11:21:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:03,105 INFO L93 Difference]: Finished difference Result 1118 states and 1720 transitions. [2019-10-22 11:21:03,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:03,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2019-10-22 11:21:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:03,110 INFO L225 Difference]: With dead ends: 1118 [2019-10-22 11:21:03,110 INFO L226 Difference]: Without dead ends: 838 [2019-10-22 11:21:03,112 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 11:21:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-10-22 11:21:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 560. [2019-10-22 11:21:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-22 11:21:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 790 transitions. [2019-10-22 11:21:03,138 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 790 transitions. Word has length 127 [2019-10-22 11:21:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:03,139 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 790 transitions. [2019-10-22 11:21:03,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 790 transitions. [2019-10-22 11:21:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-22 11:21:03,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:03,144 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, 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] [2019-10-22 11:21:03,144 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:03,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:03,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1580522747, now seen corresponding path program 1 times [2019-10-22 11:21:03,144 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:03,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528234514] [2019-10-22 11:21:03,145 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:03,145 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:03,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:03,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528234514] [2019-10-22 11:21:03,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:03,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:21:03,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864155742] [2019-10-22 11:21:03,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:21:03,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:03,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:21:03,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:03,454 INFO L87 Difference]: Start difference. First operand 560 states and 790 transitions. Second operand 7 states. [2019-10-22 11:21:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:04,350 INFO L93 Difference]: Finished difference Result 1265 states and 1795 transitions. [2019-10-22 11:21:04,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:04,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2019-10-22 11:21:04,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:04,353 INFO L225 Difference]: With dead ends: 1265 [2019-10-22 11:21:04,353 INFO L226 Difference]: Without dead ends: 707 [2019-10-22 11:21:04,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:04,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-10-22 11:21:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 699. [2019-10-22 11:21:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-22 11:21:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 934 transitions. [2019-10-22 11:21:04,397 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 934 transitions. Word has length 166 [2019-10-22 11:21:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:04,397 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 934 transitions. [2019-10-22 11:21:04,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:21:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 934 transitions. [2019-10-22 11:21:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-22 11:21:04,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:04,404 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, 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, 3, 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] [2019-10-22 11:21:04,405 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:04,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1909022612, now seen corresponding path program 1 times [2019-10-22 11:21:04,405 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:04,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891402888] [2019-10-22 11:21:04,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:04,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:04,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:04,588 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891402888] [2019-10-22 11:21:04,589 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:04,589 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:04,589 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741360728] [2019-10-22 11:21:04,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:04,591 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:04,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:04,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:04,591 INFO L87 Difference]: Start difference. First operand 699 states and 934 transitions. Second operand 3 states. [2019-10-22 11:21:05,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:05,031 INFO L93 Difference]: Finished difference Result 1535 states and 2080 transitions. [2019-10-22 11:21:05,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:05,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-22 11:21:05,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:05,034 INFO L225 Difference]: With dead ends: 1535 [2019-10-22 11:21:05,035 INFO L226 Difference]: Without dead ends: 699 [2019-10-22 11:21:05,036 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 11:21:05,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-10-22 11:21:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2019-10-22 11:21:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-22 11:21:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 905 transitions. [2019-10-22 11:21:05,053 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 905 transitions. Word has length 241 [2019-10-22 11:21:05,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:05,053 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 905 transitions. [2019-10-22 11:21:05,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 905 transitions. [2019-10-22 11:21:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-22 11:21:05,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,062 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:05,062 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:05,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:05,062 INFO L82 PathProgramCache]: Analyzing trace with hash -2102763462, now seen corresponding path program 1 times [2019-10-22 11:21:05,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:05,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15016684] [2019-10-22 11:21:05,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:05,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:05,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 78 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-10-22 11:21:05,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15016684] [2019-10-22 11:21:05,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522214212] [2019-10-22 11:21:05,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:05,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-10-22 11:21:05,674 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-10-22 11:21:05,763 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:21:05,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [6] total 8 [2019-10-22 11:21:05,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564051268] [2019-10-22 11:21:05,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:05,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:05,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:05,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:05,765 INFO L87 Difference]: Start difference. First operand 699 states and 905 transitions. Second operand 4 states. [2019-10-22 11:21:06,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:06,444 INFO L93 Difference]: Finished difference Result 1255 states and 1658 transitions. [2019-10-22 11:21:06,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:06,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 277 [2019-10-22 11:21:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:06,446 INFO L225 Difference]: With dead ends: 1255 [2019-10-22 11:21:06,446 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:06,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:06,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:06,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:06,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2019-10-22 11:21:06,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,448 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:06,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:06,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:06,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:06,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:06,715 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 11:21:06,716 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 11:21:06,717 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 11:21:06,719 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,719 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,719 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,719 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 11:21:06,720 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 11:21:06,721 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 11:21:06,722 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (or (not (= ~a10~0 3)) (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)) [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 11:21:06,727 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,728 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,729 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 11:21:06,730 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 3)) (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)) [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,731 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,732 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 11:21:06,733 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 11:21:06,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:06,736 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 11:21:06,736 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 11:21:06,740 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 11:21:06,741 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 11:21:06,742 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,743 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 11:21:06,746 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 11:21:06,746 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,747 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 11:21:06,748 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 11:21:06,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:06 BoogieIcfgContainer [2019-10-22 11:21:06,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:06,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:06,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:06,769 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:06,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:00" (3/4) ... [2019-10-22 11:21:06,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:06,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:06,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:06,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a4c507c-33ab-4f56-a3a8-c21f3b276846/bin/utaipan/witness.graphml [2019-10-22 11:21:06,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:06,940 INFO L168 Benchmark]: Toolchain (without parser) took 8548.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,941 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:06,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.80 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,942 INFO L168 Benchmark]: Boogie Preprocessor took 83.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,942 INFO L168 Benchmark]: RCFGBuilder took 1177.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,942 INFO L168 Benchmark]: TraceAbstraction took 6454.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.0 MB). Free memory was 995.6 MB in the beginning and 1.2 GB in the end (delta: -163.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:06,943 INFO L168 Benchmark]: Witness Printer took 170.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:06,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.80 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1177.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6454.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.0 MB). Free memory was 995.6 MB in the beginning and 1.2 GB in the end (delta: -163.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 170.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 582]: Loop Invariant Derived loop invariant: (!(a10 == 3) || 0 < a1 + 13) || 9 <= a19 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a10 == 3) || 0 < a1 + 13) || 9 <= a19 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 6.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 349 SDtfs, 869 SDslu, 71 SDs, 0 SdLazy, 3497 SolverSat, 647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 578 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=699occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 425 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 972 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 1149 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1419 ConstructedInterpolants, 0 QuantifiedInterpolants, 1498626 SizeOfPredicates, 1 NumberOfNonLiveVariables, 364 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 960/970 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...