./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/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 e7994a8c4891a75790b4e3789163303adc4f9200 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:51:01,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:51:01,490 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:51:01,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:51:01,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:51:01,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:51:01,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:51:01,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:51:01,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:51:01,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:51:01,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:51:01,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:51:01,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:51:01,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:51:01,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:51:01,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:51:01,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:51:01,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:51:01,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:51:01,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:51:01,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:51:01,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:51:01,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:51:01,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:51:01,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:51:01,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:51:01,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:51:01,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:51:01,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:51:01,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:51:01,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:51:01,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:51:01,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:51:01,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:51:01,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:51:01,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:51:01,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:51:01,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:51:01,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:51:01,532 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:51:01,532 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:51:01,532 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:51:01,532 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:51:01,532 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:51:01,532 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:51:01,533 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:51:01,533 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:51:01,533 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:51:01,533 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:51:01,533 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:51:01,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:51:01,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:51:01,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:51:01,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:51:01,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:51:01,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:51:01,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:51:01,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:51:01,536 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:51:01,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:51:01,536 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:51:01,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:51:01,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:51:01,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:51:01,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:51:01,537 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:51:01,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:51:01,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:51:01,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:51:01,537 INFO L133 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_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/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 -> e7994a8c4891a75790b4e3789163303adc4f9200 [2018-11-18 14:51:01,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:51:01,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:51:01,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:51:01,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:51:01,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:51:01,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-11-18 14:51:01,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/data/1c94717d8/73a79af660b2418795dfd2938e06d120/FLAG0be4b7b8b [2018-11-18 14:51:02,082 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:51:02,083 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-11-18 14:51:02,092 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/data/1c94717d8/73a79af660b2418795dfd2938e06d120/FLAG0be4b7b8b [2018-11-18 14:51:02,597 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/data/1c94717d8/73a79af660b2418795dfd2938e06d120 [2018-11-18 14:51:02,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:51:02,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:51:02,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:51:02,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:51:02,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:51:02,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:02,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02, skipping insertion in model container [2018-11-18 14:51:02,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:02,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:51:02,649 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:51:02,859 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:51:02,862 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:51:02,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:51:02,941 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:51:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02 WrapperNode [2018-11-18 14:51:02,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:51:02,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:51:02,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:51:02,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:51:03,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:51:03,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:51:03,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:51:03,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:51:03,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... [2018-11-18 14:51:03,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:51:03,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:51:03,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:51:03,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:51:03,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/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 [2018-11-18 14:51:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:51:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:51:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:51:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:51:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:51:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:51:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:51:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:51:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:51:04,053 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:51:04,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:51:04 BoogieIcfgContainer [2018-11-18 14:51:04,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:51:04,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:51:04,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:51:04,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:51:04,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:51:02" (1/3) ... [2018-11-18 14:51:04,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c28ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:51:04, skipping insertion in model container [2018-11-18 14:51:04,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:51:02" (2/3) ... [2018-11-18 14:51:04,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c28ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:51:04, skipping insertion in model container [2018-11-18 14:51:04,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:51:04" (3/3) ... [2018-11-18 14:51:04,058 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label22_true-unreach-call.c [2018-11-18 14:51:04,063 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:51:04,069 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:51:04,078 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:51:04,098 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:51:04,099 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:51:04,099 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:51:04,099 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:51:04,099 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:51:04,099 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:51:04,099 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:51:04,100 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:51:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 14:51:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 14:51:04,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:04,124 INFO L375 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] [2018-11-18 14:51:04,126 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:04,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:04,129 INFO L82 PathProgramCache]: Analyzing trace with hash 625689180, now seen corresponding path program 1 times [2018-11-18 14:51:04,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:04,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:04,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:04,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:04,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:51:04,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:51:04,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:51:04,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:04,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:51:04,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:51:04,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:51:04,347 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-11-18 14:51:05,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:05,217 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-11-18 14:51:05,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:51:05,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-11-18 14:51:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:05,231 INFO L225 Difference]: With dead ends: 737 [2018-11-18 14:51:05,231 INFO L226 Difference]: Without dead ends: 515 [2018-11-18 14:51:05,235 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:51:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-11-18 14:51:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2018-11-18 14:51:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-18 14:51:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 848 transitions. [2018-11-18 14:51:05,287 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 848 transitions. Word has length 44 [2018-11-18 14:51:05,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:05,287 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 848 transitions. [2018-11-18 14:51:05,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:51:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 848 transitions. [2018-11-18 14:51:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 14:51:05,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:05,291 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:05,292 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:05,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:05,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2101120931, now seen corresponding path program 1 times [2018-11-18 14:51:05,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:05,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:05,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:05,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:05,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:51:05,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:51:05,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:51:05,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:05,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:51:05,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:51:05,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:51:05,430 INFO L87 Difference]: Start difference. First operand 515 states and 848 transitions. Second operand 6 states. [2018-11-18 14:51:06,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:06,284 INFO L93 Difference]: Finished difference Result 1863 states and 3251 transitions. [2018-11-18 14:51:06,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:51:06,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-11-18 14:51:06,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:06,293 INFO L225 Difference]: With dead ends: 1863 [2018-11-18 14:51:06,293 INFO L226 Difference]: Without dead ends: 1354 [2018-11-18 14:51:06,296 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:51:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-18 14:51:06,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1331. [2018-11-18 14:51:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2018-11-18 14:51:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 2051 transitions. [2018-11-18 14:51:06,335 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 2051 transitions. Word has length 119 [2018-11-18 14:51:06,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:06,335 INFO L480 AbstractCegarLoop]: Abstraction has 1331 states and 2051 transitions. [2018-11-18 14:51:06,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:51:06,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2051 transitions. [2018-11-18 14:51:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 14:51:06,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:06,339 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:06,339 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:06,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:06,339 INFO L82 PathProgramCache]: Analyzing trace with hash 51887807, now seen corresponding path program 1 times [2018-11-18 14:51:06,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:06,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:06,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:06,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:06,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:51:06,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:51:06,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:51:06,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:06,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:51:06,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:51:06,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:51:06,444 INFO L87 Difference]: Start difference. First operand 1331 states and 2051 transitions. Second operand 6 states. [2018-11-18 14:51:07,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:07,410 INFO L93 Difference]: Finished difference Result 3512 states and 5693 transitions. [2018-11-18 14:51:07,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:51:07,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-11-18 14:51:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:07,422 INFO L225 Difference]: With dead ends: 3512 [2018-11-18 14:51:07,422 INFO L226 Difference]: Without dead ends: 2187 [2018-11-18 14:51:07,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:51:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2018-11-18 14:51:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2165. [2018-11-18 14:51:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2165 states. [2018-11-18 14:51:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3178 transitions. [2018-11-18 14:51:07,505 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3178 transitions. Word has length 121 [2018-11-18 14:51:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:07,505 INFO L480 AbstractCegarLoop]: Abstraction has 2165 states and 3178 transitions. [2018-11-18 14:51:07,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:51:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3178 transitions. [2018-11-18 14:51:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 14:51:07,507 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:07,507 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:07,507 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:07,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:07,508 INFO L82 PathProgramCache]: Analyzing trace with hash -344279760, now seen corresponding path program 1 times [2018-11-18 14:51:07,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:07,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:07,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:07,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:07,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:51:07,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:51:07,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:51:07,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:07,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:51:07,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:51:07,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:51:07,665 INFO L87 Difference]: Start difference. First operand 2165 states and 3178 transitions. Second operand 7 states. [2018-11-18 14:51:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:08,599 INFO L93 Difference]: Finished difference Result 5115 states and 7643 transitions. [2018-11-18 14:51:08,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:51:08,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2018-11-18 14:51:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:08,609 INFO L225 Difference]: With dead ends: 5115 [2018-11-18 14:51:08,609 INFO L226 Difference]: Without dead ends: 2160 [2018-11-18 14:51:08,619 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:51:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2018-11-18 14:51:08,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2018-11-18 14:51:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2018-11-18 14:51:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3146 transitions. [2018-11-18 14:51:08,678 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3146 transitions. Word has length 124 [2018-11-18 14:51:08,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:08,679 INFO L480 AbstractCegarLoop]: Abstraction has 2160 states and 3146 transitions. [2018-11-18 14:51:08,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:51:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3146 transitions. [2018-11-18 14:51:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 14:51:08,680 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:08,680 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:08,680 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:08,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:08,681 INFO L82 PathProgramCache]: Analyzing trace with hash -303205129, now seen corresponding path program 1 times [2018-11-18 14:51:08,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:08,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:08,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:08,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:08,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:51:08,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:08,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:08,760 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-11-18 14:51:08,761 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 14:51:08,794 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:08,794 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:09,064 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:51:09,065 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Performed 749 root evaluator evaluations with a maximum evaluation depth of 9. Performed 749 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 14:51:09,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:09,087 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:51:09,265 INFO L227 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 73.55% of their original sizes. [2018-11-18 14:51:09,266 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:51:09,296 INFO L415 sIntCurrentIteration]: We unified 124 AI predicates to 124 [2018-11-18 14:51:09,296 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:51:09,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:51:09,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 14:51:09,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:09,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:51:09,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:51:09,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:51:09,298 INFO L87 Difference]: Start difference. First operand 2160 states and 3146 transitions. Second operand 6 states. [2018-11-18 14:51:18,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:18,206 INFO L93 Difference]: Finished difference Result 4460 states and 6503 transitions. [2018-11-18 14:51:18,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:51:18,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-18 14:51:18,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:18,214 INFO L225 Difference]: With dead ends: 4460 [2018-11-18 14:51:18,214 INFO L226 Difference]: Without dead ends: 2306 [2018-11-18 14:51:18,218 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:51:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2018-11-18 14:51:18,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2304. [2018-11-18 14:51:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2018-11-18 14:51:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3298 transitions. [2018-11-18 14:51:18,262 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3298 transitions. Word has length 125 [2018-11-18 14:51:18,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:18,262 INFO L480 AbstractCegarLoop]: Abstraction has 2304 states and 3298 transitions. [2018-11-18 14:51:18,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:51:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3298 transitions. [2018-11-18 14:51:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 14:51:18,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:18,264 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:18,264 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:18,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash -679371352, now seen corresponding path program 1 times [2018-11-18 14:51:18,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:18,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:18,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:18,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:18,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:51:18,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:18,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:18,374 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 14:51:18,375 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 14:51:18,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:18,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:18,575 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:51:18,575 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Performed 2435 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2435 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:51:18,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:18,577 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:51:18,755 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 78.3% of their original sizes. [2018-11-18 14:51:18,755 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:51:18,826 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 14:51:18,826 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:51:18,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:51:18,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-18 14:51:18,826 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:18,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:51:18,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:51:18,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:51:18,827 INFO L87 Difference]: Start difference. First operand 2304 states and 3298 transitions. Second operand 10 states. [2018-11-18 14:51:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:43,332 INFO L93 Difference]: Finished difference Result 5659 states and 8579 transitions. [2018-11-18 14:51:43,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 14:51:43,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-18 14:51:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:43,339 INFO L225 Difference]: With dead ends: 5659 [2018-11-18 14:51:43,339 INFO L226 Difference]: Without dead ends: 3505 [2018-11-18 14:51:43,345 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:51:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2018-11-18 14:51:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3172. [2018-11-18 14:51:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3172 states. [2018-11-18 14:51:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4369 transitions. [2018-11-18 14:51:43,392 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4369 transitions. Word has length 160 [2018-11-18 14:51:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:43,393 INFO L480 AbstractCegarLoop]: Abstraction has 3172 states and 4369 transitions. [2018-11-18 14:51:43,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:51:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4369 transitions. [2018-11-18 14:51:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 14:51:43,395 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:43,395 INFO L375 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, 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] [2018-11-18 14:51:43,395 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:43,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:43,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1541672056, now seen corresponding path program 1 times [2018-11-18 14:51:43,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:43,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:43,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:43,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:43,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 14:51:43,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:51:43,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:51:43,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:51:43,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:51:43,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:51:43,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:51:43,478 INFO L87 Difference]: Start difference. First operand 3172 states and 4369 transitions. Second operand 4 states. [2018-11-18 14:51:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:44,037 INFO L93 Difference]: Finished difference Result 8296 states and 12136 transitions. [2018-11-18 14:51:44,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:51:44,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2018-11-18 14:51:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:44,047 INFO L225 Difference]: With dead ends: 8296 [2018-11-18 14:51:44,047 INFO L226 Difference]: Without dead ends: 4328 [2018-11-18 14:51:44,056 INFO L604 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 [2018-11-18 14:51:44,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2018-11-18 14:51:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4321. [2018-11-18 14:51:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4321 states. [2018-11-18 14:51:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5834 transitions. [2018-11-18 14:51:44,136 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5834 transitions. Word has length 228 [2018-11-18 14:51:44,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:44,136 INFO L480 AbstractCegarLoop]: Abstraction has 4321 states and 5834 transitions. [2018-11-18 14:51:44,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:51:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5834 transitions. [2018-11-18 14:51:44,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-11-18 14:51:44,149 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:51:44,149 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:51:44,150 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:51:44,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2023839100, now seen corresponding path program 1 times [2018-11-18 14:51:44,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:51:44,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:44,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:44,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:51:44,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:51:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 175 proven. 76 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 14:51:44,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:44,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:51:44,452 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-11-18 14:51:44,452 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 14:51:44,455 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:51:44,455 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:51:44,600 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:51:44,600 INFO L272 AbstractInterpreter]: Visited 133 different actions 395 times. Merged at 8 different actions 20 times. Never widened. Performed 4201 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 14:51:44,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:51:44,603 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:51:44,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:51:44,603 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:51:44,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:51:44,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:51:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:51:44,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:51:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 14:51:45,062 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:51:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 14:51:45,389 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:51:45,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2018-11-18 14:51:45,390 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:51:45,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:51:45,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:51:45,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:51:45,391 INFO L87 Difference]: Start difference. First operand 4321 states and 5834 transitions. Second operand 13 states. [2018-11-18 14:51:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:51:49,061 INFO L93 Difference]: Finished difference Result 11080 states and 15788 transitions. [2018-11-18 14:51:49,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-11-18 14:51:49,062 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 356 [2018-11-18 14:51:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:51:49,063 INFO L225 Difference]: With dead ends: 11080 [2018-11-18 14:51:49,063 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:51:49,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 705 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1040, Invalid=4362, Unknown=0, NotChecked=0, Total=5402 [2018-11-18 14:51:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:51:49,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:51:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:51:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:51:49,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2018-11-18 14:51:49,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:51:49,077 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:51:49,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:51:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:51:49,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:51:49,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:51:49,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:51:49,691 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 55 [2018-11-18 14:51:49,813 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2018-11-18 14:51:49,919 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2018-11-18 14:51:49,920 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:51:49,920 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a10~0)| ~a10~0) [2018-11-18 14:51:49,920 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:51:49,921 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:51:49,922 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:51:49,923 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:51:49,924 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:51:49,925 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 14:51:49,926 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,927 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 14:51:49,928 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:51:49,929 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (<= |old(~a1~0)| ~a1~0)) (.cse6 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (not (= 7 ~a19~0))) (.cse4 (<= ~a1~0 218)) (.cse10 (not (= 9 |old(~a19~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (and .cse5 .cse6)) (.cse14 (= 8 ~a19~0)) (.cse13 (not (= 8 |old(~a19~0)|))) (.cse7 (< 218 |old(~a1~0)|)) (.cse8 (= 3 |old(~a10~0)|)) (.cse9 (= 0 |old(~a10~0)|)) (.cse0 (= 7 |old(~a19~0)|)) (.cse15 (<= ~a1~0 23)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse16 (< 23 |old(~a1~0)|))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse0 .cse1 .cse2 .cse9 .cse3) (or .cse8 .cse4 .cse1 .cse2 .cse7 .cse9) (or (= ~a19~0 9) .cse1 .cse2 .cse10 .cse11) (or .cse8 .cse1 .cse2 .cse12 .cse9) (or .cse8 .cse13 .cse1 .cse2 (and .cse14 .cse6)) (or .cse1 .cse2 .cse10 .cse11 .cse12) (or .cse14 .cse13 .cse1 .cse2 .cse7) (or .cse8 .cse1 .cse2 .cse15 .cse9 .cse16) (or .cse0 .cse15 .cse1 .cse2 .cse16)))) [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,930 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,931 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 14:51:49,932 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 14:51:49,933 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-18 14:51:49,934 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse3 (not (= 7 ~a19~0))) (.cse1 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse0 .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse1) (not (= 14 ~a4~0)) (and .cse0 (= 8 ~a19~0)))) [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 14:51:49,934 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 14:51:49,935 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse3 (not (= 7 ~a19~0))) (.cse1 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse0 .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse1) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 (= 8 ~a19~0)))) [2018-11-18 14:51:49,935 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 14:51:49,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:51:49 BoogieIcfgContainer [2018-11-18 14:51:49,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:51:49,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:51:49,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:51:49,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:51:49,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:51:04" (3/4) ... [2018-11-18 14:51:49,947 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:51:49,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:51:49,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:51:49,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:51:49,961 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:51:49,962 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:51:49,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(23 == \old(a1)) || ((!(a10 == 3) && a1 <= 218) && !(0 == a10))) || !(0 == a12)) || ((!(a10 == 3) && !(7 == a19)) && !(0 == a10))) || !(9 == \old(a19))) || 1 == a10) || !(0 == \old(a10))) || (!(7 == a19) && a1 <= 218)) || !(14 == a4)) || a19 == 9) || (!(a10 == 3) && 8 == a19) [2018-11-18 14:51:50,048 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06f3707e-7436-4927-a43a-6745f25052ce/bin-2019/utaipan/witness.graphml [2018-11-18 14:51:50,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:51:50,049 INFO L168 Benchmark]: Toolchain (without parser) took 47449.84 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 956.6 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,050 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:51:50,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,051 INFO L168 Benchmark]: Boogie Preprocessor took 53.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,051 INFO L168 Benchmark]: RCFGBuilder took 979.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.8 MB). Peak memory consumption was 100.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,051 INFO L168 Benchmark]: TraceAbstraction took 45889.27 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,051 INFO L168 Benchmark]: Witness Printer took 105.29 ms. Allocated memory is still 5.0 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:50,053 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 979.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.8 MB). Peak memory consumption was 100.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45889.27 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 105.29 ms. Allocated memory is still 5.0 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: (((((((((!(23 == \old(a1)) || ((!(a10 == 3) && a1 <= 218) && !(0 == a10))) || !(0 == a12)) || ((!(a10 == 3) && !(7 == a19)) && !(0 == a10))) || !(9 == \old(a19))) || 1 == a10) || !(0 == \old(a10))) || (!(7 == a19) && a1 <= 218)) || !(14 == a4)) || a19 == 9) || (!(a10 == 3) && 8 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 45.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 41.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 942 SDtfs, 8186 SDslu, 1458 SDs, 0 SdLazy, 12475 SolverSat, 3074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1119 GetRequests, 993 SyntacticMatches, 5 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4321occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9968678230474113 AbsIntWeakeningRatio, 0.1413427561837456 AbsIntAvgWeakeningVarsNumRemoved, 14.229681978798586 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 387 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 131 PreInvPairs, 235 NumberOfFragments, 415 HoareAnnotationTreeSize, 131 FomulaSimplifications, 6178 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4051 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1633 NumberOfCodeBlocks, 1633 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1979 ConstructedInterpolants, 0 QuantifiedInterpolants, 3240286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 566 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 1303/1449 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...