./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:04:16,488 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:04:16,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:04:16,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:04:16,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:04:16,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:04:16,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:04:16,498 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:04:16,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:04:16,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:04:16,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:04:16,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:04:16,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:04:16,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:04:16,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:04:16,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:04:16,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:04:16,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:04:16,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:04:16,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:04:16,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:04:16,505 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:04:16,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:04:16,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:04:16,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:04:16,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:04:16,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:04:16,508 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:04:16,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:04:16,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:04:16,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:04:16,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:04:16,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:04:16,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:04:16,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:04:16,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:04:16,510 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 08:04:16,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:04:16,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:04:16,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:04:16,518 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:04:16,518 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 08:04:16,518 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 08:04:16,518 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 08:04:16,518 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 08:04:16,519 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 08:04:16,519 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 08:04:16,519 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 08:04:16,519 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 08:04:16,519 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 08:04:16,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:04:16,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:04:16,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:04:16,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:04:16,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:04:16,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:04:16,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:04:16,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:04:16,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:04:16,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:04:16,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:04:16,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:04:16,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:04:16,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:04:16,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 08:04:16,523 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_8f7b9740-fe68-4aff-adff-71a950217e66/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2018-12-09 08:04:16,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:04:16,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:04:16,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:04:16,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:04:16,549 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:04:16,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-12-09 08:04:16,584 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/data/9d95d8c20/4e7a7a18908b4efd8c01a4cbc893b9ea/FLAG13d4cb588 [2018-12-09 08:04:17,058 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:04:17,058 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-12-09 08:04:17,068 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/data/9d95d8c20/4e7a7a18908b4efd8c01a4cbc893b9ea/FLAG13d4cb588 [2018-12-09 08:04:17,078 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/data/9d95d8c20/4e7a7a18908b4efd8c01a4cbc893b9ea [2018-12-09 08:04:17,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:04:17,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:04:17,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:17,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:04:17,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:04:17,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17, skipping insertion in model container [2018-12-09 08:04:17,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:04:17,134 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:04:17,463 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:17,467 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:04:17,639 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:17,650 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:04:17,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17 WrapperNode [2018-12-09 08:04:17,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:17,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:17,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:04:17,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:04:17,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:17,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:04:17,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:04:17,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:04:17,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... [2018-12-09 08:04:17,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:04:17,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:04:17,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:04:17,732 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:04:17,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/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 [2018-12-09 08:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 08:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 08:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:04:18,881 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:04:18,881 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 08:04:18,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:18 BoogieIcfgContainer [2018-12-09 08:04:18,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:04:18,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:04:18,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:04:18,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:04:18,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:04:17" (1/3) ... [2018-12-09 08:04:18,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:18, skipping insertion in model container [2018-12-09 08:04:18,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:17" (2/3) ... [2018-12-09 08:04:18,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:18, skipping insertion in model container [2018-12-09 08:04:18,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:18" (3/3) ... [2018-12-09 08:04:18,886 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label24_true-unreach-call.c [2018-12-09 08:04:18,892 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:04:18,897 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:04:18,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:04:18,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:04:18,927 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:04:18,927 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:04:18,927 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:04:18,927 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:04:18,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:04:18,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:04:18,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:04:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-12-09 08:04:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 08:04:18,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:18,950 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:18,952 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:18,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:18,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1879577704, now seen corresponding path program 1 times [2018-12-09 08:04:18,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:18,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:18,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:18,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:18,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:19,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:19,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:19,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:19,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:19,317 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-12-09 08:04:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:19,933 INFO L93 Difference]: Finished difference Result 841 states and 1486 transitions. [2018-12-09 08:04:19,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:19,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-12-09 08:04:19,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:19,943 INFO L225 Difference]: With dead ends: 841 [2018-12-09 08:04:19,943 INFO L226 Difference]: Without dead ends: 468 [2018-12-09 08:04:19,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:19,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-12-09 08:04:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 463. [2018-12-09 08:04:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-12-09 08:04:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 714 transitions. [2018-12-09 08:04:19,992 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 714 transitions. Word has length 197 [2018-12-09 08:04:19,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:19,993 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 714 transitions. [2018-12-09 08:04:19,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 714 transitions. [2018-12-09 08:04:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 08:04:19,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:19,998 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:19,999 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:19,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:19,999 INFO L82 PathProgramCache]: Analyzing trace with hash 380333484, now seen corresponding path program 1 times [2018-12-09 08:04:19,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:20,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:20,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:20,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:20,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:20,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:20,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:20,228 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:20,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:20,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:20,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:20,230 INFO L87 Difference]: Start difference. First operand 463 states and 714 transitions. Second operand 3 states. [2018-12-09 08:04:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:20,738 INFO L93 Difference]: Finished difference Result 1347 states and 2099 transitions. [2018-12-09 08:04:20,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:20,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2018-12-09 08:04:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:20,741 INFO L225 Difference]: With dead ends: 1347 [2018-12-09 08:04:20,741 INFO L226 Difference]: Without dead ends: 890 [2018-12-09 08:04:20,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-12-09 08:04:20,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 889. [2018-12-09 08:04:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2018-12-09 08:04:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1282 transitions. [2018-12-09 08:04:20,759 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1282 transitions. Word has length 209 [2018-12-09 08:04:20,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:20,759 INFO L480 AbstractCegarLoop]: Abstraction has 889 states and 1282 transitions. [2018-12-09 08:04:20,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1282 transitions. [2018-12-09 08:04:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 08:04:20,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:20,762 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:20,762 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:20,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:20,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1077912688, now seen corresponding path program 1 times [2018-12-09 08:04:20,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:20,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:20,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:20,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:20,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:20,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:20,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:20,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:20,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:20,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:20,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:20,877 INFO L87 Difference]: Start difference. First operand 889 states and 1282 transitions. Second operand 3 states. [2018-12-09 08:04:21,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,450 INFO L93 Difference]: Finished difference Result 2618 states and 3837 transitions. [2018-12-09 08:04:21,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:21,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-12-09 08:04:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,455 INFO L225 Difference]: With dead ends: 2618 [2018-12-09 08:04:21,455 INFO L226 Difference]: Without dead ends: 1735 [2018-12-09 08:04:21,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2018-12-09 08:04:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1718. [2018-12-09 08:04:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2018-12-09 08:04:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2466 transitions. [2018-12-09 08:04:21,481 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2466 transitions. Word has length 211 [2018-12-09 08:04:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,482 INFO L480 AbstractCegarLoop]: Abstraction has 1718 states and 2466 transitions. [2018-12-09 08:04:21,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2466 transitions. [2018-12-09 08:04:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 08:04:21,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,485 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,485 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:21,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2116089621, now seen corresponding path program 1 times [2018-12-09 08:04:21,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 08:04:21,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 08:04:21,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 08:04:21,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:04:21,579 INFO L87 Difference]: Start difference. First operand 1718 states and 2466 transitions. Second operand 6 states. [2018-12-09 08:04:22,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:22,519 INFO L93 Difference]: Finished difference Result 5243 states and 8309 transitions. [2018-12-09 08:04:22,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 08:04:22,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-12-09 08:04:22,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:22,532 INFO L225 Difference]: With dead ends: 5243 [2018-12-09 08:04:22,532 INFO L226 Difference]: Without dead ends: 3531 [2018-12-09 08:04:22,536 INFO L631 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 [2018-12-09 08:04:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2018-12-09 08:04:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3443. [2018-12-09 08:04:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3443 states. [2018-12-09 08:04:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5067 transitions. [2018-12-09 08:04:22,596 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5067 transitions. Word has length 214 [2018-12-09 08:04:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:22,596 INFO L480 AbstractCegarLoop]: Abstraction has 3443 states and 5067 transitions. [2018-12-09 08:04:22,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 08:04:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5067 transitions. [2018-12-09 08:04:22,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 08:04:22,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:22,602 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:22,602 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:22,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:22,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1988786189, now seen corresponding path program 1 times [2018-12-09 08:04:22,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:22,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:22,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:22,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:22,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:22,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:22,699 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:04:22,700 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-12-09 08:04:22,702 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:04:22,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:04:22,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:04:23,230 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 08:04:23,231 INFO L272 AbstractInterpreter]: Visited 198 different actions 198 times. Never merged. Never widened. Performed 4258 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4258 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-12-09 08:04:23,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:23,242 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 08:04:23,782 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 74.14% of their original sizes. [2018-12-09 08:04:23,782 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 08:04:23,875 INFO L418 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-12-09 08:04:23,875 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 08:04:23,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:04:23,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-09 08:04:23,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:23,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 08:04:23,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 08:04:23,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-09 08:04:23,877 INFO L87 Difference]: Start difference. First operand 3443 states and 5067 transitions. Second operand 13 states. [2018-12-09 08:04:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:30,367 INFO L93 Difference]: Finished difference Result 7088 states and 10448 transitions. [2018-12-09 08:04:30,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 08:04:30,367 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 228 [2018-12-09 08:04:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:30,374 INFO L225 Difference]: With dead ends: 7088 [2018-12-09 08:04:30,374 INFO L226 Difference]: Without dead ends: 3651 [2018-12-09 08:04:30,378 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-09 08:04:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2018-12-09 08:04:30,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3650. [2018-12-09 08:04:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3650 states. [2018-12-09 08:04:30,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 5284 transitions. [2018-12-09 08:04:30,425 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 5284 transitions. Word has length 228 [2018-12-09 08:04:30,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:30,426 INFO L480 AbstractCegarLoop]: Abstraction has 3650 states and 5284 transitions. [2018-12-09 08:04:30,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 08:04:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5284 transitions. [2018-12-09 08:04:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 08:04:30,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:30,432 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:30,432 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:30,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:30,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1182809172, now seen corresponding path program 1 times [2018-12-09 08:04:30,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:30,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:30,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:30,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:30,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:30,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:30,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:04:30,551 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-12-09 08:04:30,551 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:04:30,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:04:30,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:04:31,016 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 08:04:31,016 INFO L272 AbstractInterpreter]: Visited 202 different actions 398 times. Merged at 4 different actions 4 times. Never widened. Performed 8559 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8559 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 08:04:31,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:31,022 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 08:04:31,411 INFO L227 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 74.45% of their original sizes. [2018-12-09 08:04:31,411 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 08:04:31,603 INFO L418 sIntCurrentIteration]: We unified 238 AI predicates to 238 [2018-12-09 08:04:31,603 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 08:04:31,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:04:31,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-12-09 08:04:31,603 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:31,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 08:04:31,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 08:04:31,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-12-09 08:04:31,604 INFO L87 Difference]: Start difference. First operand 3650 states and 5284 transitions. Second operand 20 states. [2018-12-09 08:04:51,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:51,071 INFO L93 Difference]: Finished difference Result 7299 states and 10671 transitions. [2018-12-09 08:04:51,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 08:04:51,071 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 239 [2018-12-09 08:04:51,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:51,081 INFO L225 Difference]: With dead ends: 7299 [2018-12-09 08:04:51,081 INFO L226 Difference]: Without dead ends: 3862 [2018-12-09 08:04:51,087 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2018-12-09 08:04:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2018-12-09 08:04:51,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3860. [2018-12-09 08:04:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3860 states. [2018-12-09 08:04:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5511 transitions. [2018-12-09 08:04:51,141 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5511 transitions. Word has length 239 [2018-12-09 08:04:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:51,141 INFO L480 AbstractCegarLoop]: Abstraction has 3860 states and 5511 transitions. [2018-12-09 08:04:51,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 08:04:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5511 transitions. [2018-12-09 08:04:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 08:04:51,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:51,147 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:51,148 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:51,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2088785465, now seen corresponding path program 1 times [2018-12-09 08:04:51,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:51,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:51,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:51,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:51,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 08:04:51,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:51,214 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:04:51,214 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-12-09 08:04:51,215 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:04:51,218 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:04:51,218 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:04:51,948 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:04:51,948 INFO L272 AbstractInterpreter]: Visited 205 different actions 608 times. Merged at 6 different actions 16 times. Never widened. Performed 13652 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 88 variables. [2018-12-09 08:04:51,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:51,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:04:51,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:51,950 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/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 [2018-12-09 08:04:51,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:51,957 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:04:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:52,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:04:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 08:04:52,146 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:04:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 08:04:52,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 08:04:52,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 08:04:52,260 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 08:04:52,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 08:04:52,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 08:04:52,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-09 08:04:52,261 INFO L87 Difference]: Start difference. First operand 3860 states and 5511 transitions. Second operand 8 states. [2018-12-09 08:04:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:53,781 INFO L93 Difference]: Finished difference Result 14219 states and 25189 transitions. [2018-12-09 08:04:53,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 08:04:53,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2018-12-09 08:04:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:53,818 INFO L225 Difference]: With dead ends: 14219 [2018-12-09 08:04:53,818 INFO L226 Difference]: Without dead ends: 10782 [2018-12-09 08:04:53,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2018-12-09 08:04:53,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10782 states. [2018-12-09 08:04:53,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10782 to 10600. [2018-12-09 08:04:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10600 states. [2018-12-09 08:04:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10600 states to 10600 states and 16435 transitions. [2018-12-09 08:04:54,016 INFO L78 Accepts]: Start accepts. Automaton has 10600 states and 16435 transitions. Word has length 245 [2018-12-09 08:04:54,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:54,016 INFO L480 AbstractCegarLoop]: Abstraction has 10600 states and 16435 transitions. [2018-12-09 08:04:54,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 08:04:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 10600 states and 16435 transitions. [2018-12-09 08:04:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-09 08:04:54,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:54,036 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:54,036 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:54,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:54,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1513277960, now seen corresponding path program 1 times [2018-12-09 08:04:54,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:54,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:54,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:54,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:54,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 08:04:54,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:54,127 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:04:54,128 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-09 08:04:54,128 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:04:54,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:04:54,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:04:54,581 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:04:54,581 INFO L272 AbstractInterpreter]: Visited 203 different actions 398 times. Merged at 3 different actions 3 times. Never widened. Performed 8956 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8956 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 08:04:54,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:54,582 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:04:54,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:54,582 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:04:54,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:54,589 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:04:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:54,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:04:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 08:04:54,721 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:04:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 08:04:54,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 08:04:54,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 08:04:54,788 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 08:04:54,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 08:04:54,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 08:04:54,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 08:04:54,788 INFO L87 Difference]: Start difference. First operand 10600 states and 16435 transitions. Second operand 9 states. [2018-12-09 08:04:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:58,059 INFO L93 Difference]: Finished difference Result 40268 states and 68117 transitions. [2018-12-09 08:04:58,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-12-09 08:04:58,060 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-12-09 08:04:58,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:58,151 INFO L225 Difference]: With dead ends: 40268 [2018-12-09 08:04:58,151 INFO L226 Difference]: Without dead ends: 30091 [2018-12-09 08:04:58,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 536 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=605, Invalid=2365, Unknown=0, NotChecked=0, Total=2970 [2018-12-09 08:04:58,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30091 states. [2018-12-09 08:04:58,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30091 to 29033. [2018-12-09 08:04:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29033 states. [2018-12-09 08:04:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29033 states to 29033 states and 42233 transitions. [2018-12-09 08:04:58,836 INFO L78 Accepts]: Start accepts. Automaton has 29033 states and 42233 transitions. Word has length 249 [2018-12-09 08:04:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:58,836 INFO L480 AbstractCegarLoop]: Abstraction has 29033 states and 42233 transitions. [2018-12-09 08:04:58,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 08:04:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29033 states and 42233 transitions. [2018-12-09 08:04:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-09 08:04:58,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:58,876 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:58,876 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:58,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash 866006369, now seen corresponding path program 1 times [2018-12-09 08:04:58,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:58,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:58,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:58,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:58,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:59,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:59,047 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:04:59,047 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-12-09 08:04:59,047 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [350], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:04:59,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:04:59,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:04:59,779 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:04:59,779 INFO L272 AbstractInterpreter]: Visited 202 different actions 596 times. Merged at 6 different actions 11 times. Never widened. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 08:04:59,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:59,782 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:04:59,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:04:59,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:04:59,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:59,787 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:04:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:59,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:04:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 08:04:59,939 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:05:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 08:05:00,017 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:05:00,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 08:05:00,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:05:00,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:05:00,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:05:00,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 08:05:00,018 INFO L87 Difference]: Start difference. First operand 29033 states and 42233 transitions. Second operand 3 states. [2018-12-09 08:05:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:05:01,015 INFO L93 Difference]: Finished difference Result 70027 states and 104515 transitions. [2018-12-09 08:05:01,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:05:01,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2018-12-09 08:05:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:05:01,121 INFO L225 Difference]: With dead ends: 70027 [2018-12-09 08:05:01,121 INFO L226 Difference]: Without dead ends: 41207 [2018-12-09 08:05:01,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 598 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 08:05:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41207 states. [2018-12-09 08:05:01,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41207 to 41153. [2018-12-09 08:05:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41153 states. [2018-12-09 08:05:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41153 states to 41153 states and 61070 transitions. [2018-12-09 08:05:01,788 INFO L78 Accepts]: Start accepts. Automaton has 41153 states and 61070 transitions. Word has length 300 [2018-12-09 08:05:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:05:01,788 INFO L480 AbstractCegarLoop]: Abstraction has 41153 states and 61070 transitions. [2018-12-09 08:05:01,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:05:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41153 states and 61070 transitions. [2018-12-09 08:05:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 08:05:01,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:05:01,841 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:05:01,841 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:05:01,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:01,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1711782223, now seen corresponding path program 1 times [2018-12-09 08:05:01,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:05:01,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:01,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:01,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:01,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:05:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:05:01,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:01,973 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:05:01,973 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-12-09 08:05:01,973 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:05:01,976 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:05:01,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:05:02,515 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 08:05:02,515 INFO L272 AbstractInterpreter]: Visited 201 different actions 396 times. Merged at 4 different actions 4 times. Never widened. Performed 8636 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8636 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 08:05:02,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:02,518 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 08:05:02,994 INFO L227 lantSequenceWeakener]: Weakened 328 states. On average, predicates are now at 74.33% of their original sizes. [2018-12-09 08:05:02,994 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 08:05:03,145 INFO L418 sIntCurrentIteration]: We unified 330 AI predicates to 330 [2018-12-09 08:05:03,145 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 08:05:03,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:05:03,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-12-09 08:05:03,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:05:03,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 08:05:03,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 08:05:03,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-12-09 08:05:03,146 INFO L87 Difference]: Start difference. First operand 41153 states and 61070 transitions. Second operand 18 states. [2018-12-09 08:05:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:05:16,283 INFO L93 Difference]: Finished difference Result 81320 states and 120942 transitions. [2018-12-09 08:05:16,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 08:05:16,283 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-12-09 08:05:16,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:05:16,383 INFO L225 Difference]: With dead ends: 81320 [2018-12-09 08:05:16,383 INFO L226 Difference]: Without dead ends: 40662 [2018-12-09 08:05:16,426 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 338 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-12-09 08:05:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40662 states. [2018-12-09 08:05:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40662 to 40640. [2018-12-09 08:05:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40640 states. [2018-12-09 08:05:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40640 states to 40640 states and 59707 transitions. [2018-12-09 08:05:16,979 INFO L78 Accepts]: Start accepts. Automaton has 40640 states and 59707 transitions. Word has length 331 [2018-12-09 08:05:16,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:05:16,980 INFO L480 AbstractCegarLoop]: Abstraction has 40640 states and 59707 transitions. [2018-12-09 08:05:16,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 08:05:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 40640 states and 59707 transitions. [2018-12-09 08:05:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-12-09 08:05:17,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:05:17,034 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:05:17,034 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:05:17,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:17,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1075781687, now seen corresponding path program 1 times [2018-12-09 08:05:17,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:05:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:17,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:17,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:05:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 100 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 08:05:17,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:17,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:05:17,157 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-12-09 08:05:17,157 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:05:17,160 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:05:17,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:05:17,874 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:05:17,875 INFO L272 AbstractInterpreter]: Visited 205 different actions 614 times. Merged at 7 different actions 20 times. Never widened. Performed 13818 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-09 08:05:17,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:17,877 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:05:17,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:17,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:05:17,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:17,884 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:05:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:18,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:05:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-12-09 08:05:18,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:05:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 100 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 08:05:18,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 08:05:18,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 08:05:18,150 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 08:05:18,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 08:05:18,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 08:05:18,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-09 08:05:18,151 INFO L87 Difference]: Start difference. First operand 40640 states and 59707 transitions. Second operand 7 states. [2018-12-09 08:05:20,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:05:20,794 INFO L93 Difference]: Finished difference Result 95180 states and 143456 transitions. [2018-12-09 08:05:20,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 08:05:20,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2018-12-09 08:05:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:05:20,942 INFO L225 Difference]: With dead ends: 95180 [2018-12-09 08:05:20,942 INFO L226 Difference]: Without dead ends: 55178 [2018-12-09 08:05:21,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 729 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-09 08:05:21,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55178 states. [2018-12-09 08:05:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55178 to 54666. [2018-12-09 08:05:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54666 states. [2018-12-09 08:05:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54666 states to 54666 states and 76950 transitions. [2018-12-09 08:05:21,982 INFO L78 Accepts]: Start accepts. Automaton has 54666 states and 76950 transitions. Word has length 365 [2018-12-09 08:05:21,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:05:21,982 INFO L480 AbstractCegarLoop]: Abstraction has 54666 states and 76950 transitions. [2018-12-09 08:05:21,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 08:05:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 54666 states and 76950 transitions. [2018-12-09 08:05:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-09 08:05:22,051 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:05:22,051 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:05:22,051 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:05:22,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1553166504, now seen corresponding path program 1 times [2018-12-09 08:05:22,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:05:22,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:22,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:22,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:22,052 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:05:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 202 proven. 103 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 08:05:22,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:22,224 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:05:22,224 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 386 with the following transitions: [2018-12-09 08:05:22,224 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:05:22,227 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:05:22,227 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:05:22,941 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:05:22,941 INFO L272 AbstractInterpreter]: Visited 205 different actions 617 times. Merged at 7 different actions 23 times. Never widened. Performed 13890 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13890 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-09 08:05:22,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:22,942 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:05:22,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:22,942 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:05:22,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:22,948 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:05:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:23,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:05:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 317 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-09 08:05:23,132 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:05:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 244 proven. 96 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-09 08:05:23,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 08:05:23,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 08:05:23,246 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 08:05:23,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 08:05:23,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 08:05:23,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 08:05:23,247 INFO L87 Difference]: Start difference. First operand 54666 states and 76950 transitions. Second operand 9 states. [2018-12-09 08:05:26,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:05:26,752 INFO L93 Difference]: Finished difference Result 106055 states and 148352 transitions. [2018-12-09 08:05:26,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 08:05:26,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 385 [2018-12-09 08:05:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:05:26,863 INFO L225 Difference]: With dead ends: 106055 [2018-12-09 08:05:26,864 INFO L226 Difference]: Without dead ends: 52059 [2018-12-09 08:05:26,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2018-12-09 08:05:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52059 states. [2018-12-09 08:05:27,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52059 to 50510. [2018-12-09 08:05:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50510 states. [2018-12-09 08:05:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50510 states to 50510 states and 66835 transitions. [2018-12-09 08:05:27,611 INFO L78 Accepts]: Start accepts. Automaton has 50510 states and 66835 transitions. Word has length 385 [2018-12-09 08:05:27,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:05:27,611 INFO L480 AbstractCegarLoop]: Abstraction has 50510 states and 66835 transitions. [2018-12-09 08:05:27,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 08:05:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 50510 states and 66835 transitions. [2018-12-09 08:05:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-12-09 08:05:27,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:05:27,672 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 08:05:27,673 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:05:27,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:27,673 INFO L82 PathProgramCache]: Analyzing trace with hash -351671546, now seen corresponding path program 1 times [2018-12-09 08:05:27,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:05:27,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:27,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:05:27,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:05:27,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:05:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:05:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 211 proven. 94 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 08:05:27,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:05:27,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:05:27,889 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-12-09 08:05:27,890 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [111], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [213], [216], [220], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [543], [548], [550], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:05:27,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:05:27,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:05:28,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 08:05:28,918 INFO L272 AbstractInterpreter]: Visited 206 different actions 815 times. Merged at 7 different actions 26 times. Never widened. Performed 18336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-09 08:05:28,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:05:28,920 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 08:05:29,585 INFO L227 lantSequenceWeakener]: Weakened 417 states. On average, predicates are now at 75.1% of their original sizes. [2018-12-09 08:05:29,585 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 08:05:29,787 INFO L418 sIntCurrentIteration]: We unified 420 AI predicates to 420 [2018-12-09 08:05:29,787 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 08:05:29,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:05:29,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [9] total 31 [2018-12-09 08:05:29,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:05:29,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 08:05:29,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 08:05:29,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2018-12-09 08:05:29,788 INFO L87 Difference]: Start difference. First operand 50510 states and 66835 transitions. Second operand 24 states. [2018-12-09 08:06:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:06:03,618 INFO L93 Difference]: Finished difference Result 190894 states and 256296 transitions. [2018-12-09 08:06:03,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-09 08:06:03,618 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 421 [2018-12-09 08:06:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:06:03,947 INFO L225 Difference]: With dead ends: 190894 [2018-12-09 08:06:03,947 INFO L226 Difference]: Without dead ends: 141022 [2018-12-09 08:06:04,037 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=558, Invalid=2094, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 08:06:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141022 states. [2018-12-09 08:06:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141022 to 137850. [2018-12-09 08:06:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137850 states. [2018-12-09 08:06:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137850 states to 137850 states and 180766 transitions. [2018-12-09 08:06:06,113 INFO L78 Accepts]: Start accepts. Automaton has 137850 states and 180766 transitions. Word has length 421 [2018-12-09 08:06:06,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:06:06,114 INFO L480 AbstractCegarLoop]: Abstraction has 137850 states and 180766 transitions. [2018-12-09 08:06:06,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 08:06:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 137850 states and 180766 transitions. [2018-12-09 08:06:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2018-12-09 08:06:06,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:06:06,305 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:06:06,306 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:06:06,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1470037474, now seen corresponding path program 1 times [2018-12-09 08:06:06,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:06:06,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:06,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:06:06,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:06,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:06:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:06:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 08:06:06,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:06:06,519 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:06:06,519 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 495 with the following transitions: [2018-12-09 08:06:06,519 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [460], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [519], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:06:06,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:06:06,522 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:06:07,231 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:06:07,232 INFO L272 AbstractInterpreter]: Visited 204 different actions 615 times. Merged at 8 different actions 25 times. Widened at 1 different actions 1 times. Performed 13884 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13884 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-09 08:06:07,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:07,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:06:07,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:06:07,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:06:09,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:06:09,398 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:06:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:06:09,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:06:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 08:06:09,594 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:06:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 08:06:09,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 08:06:09,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-09 08:06:09,709 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 08:06:09,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 08:06:09,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 08:06:09,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 08:06:09,710 INFO L87 Difference]: Start difference. First operand 137850 states and 180766 transitions. Second operand 6 states. [2018-12-09 08:06:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:06:11,995 INFO L93 Difference]: Finished difference Result 244488 states and 324794 transitions. [2018-12-09 08:06:11,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 08:06:11,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 494 [2018-12-09 08:06:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:06:12,261 INFO L225 Difference]: With dead ends: 244488 [2018-12-09 08:06:12,261 INFO L226 Difference]: Without dead ends: 107299 [2018-12-09 08:06:12,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 999 GetRequests, 989 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-09 08:06:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107299 states. [2018-12-09 08:06:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107299 to 99441. [2018-12-09 08:06:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99441 states. [2018-12-09 08:06:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99441 states to 99441 states and 122807 transitions. [2018-12-09 08:06:13,936 INFO L78 Accepts]: Start accepts. Automaton has 99441 states and 122807 transitions. Word has length 494 [2018-12-09 08:06:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:06:13,937 INFO L480 AbstractCegarLoop]: Abstraction has 99441 states and 122807 transitions. [2018-12-09 08:06:13,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 08:06:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 99441 states and 122807 transitions. [2018-12-09 08:06:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-12-09 08:06:14,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:06:14,062 INFO L402 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, 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, 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, 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] [2018-12-09 08:06:14,062 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:06:14,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:14,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2060116376, now seen corresponding path program 1 times [2018-12-09 08:06:14,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:06:14,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:14,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:06:14,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:14,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:06:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:06:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 316 proven. 269 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:06:14,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:06:14,359 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:06:14,359 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 520 with the following transitions: [2018-12-09 08:06:14,360 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [366], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [460], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [562], [567], [569], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:06:14,363 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:06:14,363 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:06:14,761 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 08:06:14,761 INFO L272 AbstractInterpreter]: Visited 202 different actions 398 times. Merged at 4 different actions 4 times. Never widened. Performed 8713 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8713 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-09 08:06:14,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:14,763 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 08:06:15,533 INFO L227 lantSequenceWeakener]: Weakened 514 states. On average, predicates are now at 71.93% of their original sizes. [2018-12-09 08:06:15,533 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 08:06:15,819 INFO L418 sIntCurrentIteration]: We unified 518 AI predicates to 518 [2018-12-09 08:06:15,819 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 08:06:15,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:06:15,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [11] total 34 [2018-12-09 08:06:15,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:06:15,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 08:06:15,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 08:06:15,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2018-12-09 08:06:15,820 INFO L87 Difference]: Start difference. First operand 99441 states and 122807 transitions. Second operand 25 states. [2018-12-09 08:06:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:06:26,593 INFO L93 Difference]: Finished difference Result 160175 states and 194802 transitions. [2018-12-09 08:06:26,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 08:06:26,593 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 519 [2018-12-09 08:06:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:06:26,694 INFO L225 Difference]: With dead ends: 160175 [2018-12-09 08:06:26,694 INFO L226 Difference]: Without dead ends: 62006 [2018-12-09 08:06:26,791 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 527 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 08:06:26,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62006 states. [2018-12-09 08:06:27,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62006 to 60768. [2018-12-09 08:06:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60768 states. [2018-12-09 08:06:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60768 states to 60768 states and 71686 transitions. [2018-12-09 08:06:27,611 INFO L78 Accepts]: Start accepts. Automaton has 60768 states and 71686 transitions. Word has length 519 [2018-12-09 08:06:27,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:06:27,611 INFO L480 AbstractCegarLoop]: Abstraction has 60768 states and 71686 transitions. [2018-12-09 08:06:27,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 08:06:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 60768 states and 71686 transitions. [2018-12-09 08:06:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-12-09 08:06:27,662 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:06:27,663 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 08:06:27,663 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:06:27,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:27,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1784199681, now seen corresponding path program 1 times [2018-12-09 08:06:27,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:06:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:27,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:06:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:06:27,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:06:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:06:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 354 proven. 157 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-09 08:06:27,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:06:27,880 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 08:06:27,880 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 524 with the following transitions: [2018-12-09 08:06:27,880 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [562], [567], [569], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-09 08:06:27,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 08:06:27,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 08:06:28,329 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 08:06:28,329 INFO L272 AbstractInterpreter]: Visited 204 different actions 405 times. Merged at 6 different actions 8 times. Never widened. Performed 9058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 88 variables. [2018-12-09 08:06:28,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:06:28,334 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 08:06:28,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 08:06:28,334 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 08:06:28,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:06:28,340 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 08:06:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:06:28,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:06:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-09 08:06:28,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 08:06:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-09 08:06:28,703 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 08:06:28,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-09 08:06:28,704 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:06:28,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:06:28,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:06:28,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 08:06:28,704 INFO L87 Difference]: Start difference. First operand 60768 states and 71686 transitions. Second operand 3 states. [2018-12-09 08:06:29,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:06:29,861 INFO L93 Difference]: Finished difference Result 133717 states and 159272 transitions. [2018-12-09 08:06:29,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:06:29,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 523 [2018-12-09 08:06:29,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:06:29,862 INFO L225 Difference]: With dead ends: 133717 [2018-12-09 08:06:29,862 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 08:06:29,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 1045 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 08:06:29,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 08:06:29,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 08:06:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 08:06:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 08:06:29,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 523 [2018-12-09 08:06:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:06:29,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:06:29,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:06:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:06:29,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:06:29,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 08:06:30,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:30,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:31,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:32,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:33,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:33,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:33,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:33,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:34,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:34,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:34,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:34,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:34,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:35,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:35,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:35,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:35,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:37,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:37,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:37,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:38,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,005 WARN L180 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 1481 DAG size of output: 1263 [2018-12-09 08:06:39,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:39,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:40,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:41,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:41,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:41,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:41,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:41,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:42,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:42,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:42,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:42,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:42,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:43,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:43,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:43,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:43,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:44,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:44,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:45,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:45,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 08:06:46,840 WARN L180 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 1437 DAG size of output: 1220 [2018-12-09 08:06:47,100 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2018-12-09 08:07:02,416 WARN L180 SmtUtils]: Spent 15.28 s on a formula simplification. DAG size of input: 791 DAG size of output: 236 [2018-12-09 08:07:18,920 WARN L180 SmtUtils]: Spent 16.48 s on a formula simplification. DAG size of input: 1268 DAG size of output: 141 [2018-12-09 08:07:34,745 WARN L180 SmtUtils]: Spent 15.82 s on a formula simplification. DAG size of input: 1226 DAG size of output: 142 [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a22~0)| ~a22~0) (= ~a27~0 |old(~a27~0)|) (= |old(~a3~0)| ~a3~0) (= ~a5~0 |old(~a5~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a26~0 |old(~a26~0)|)) [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,748 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,749 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,750 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,751 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-12-09 08:07:34,752 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse37 (= ~a11~0 0)) (.cse39 (not (= 0 |old(~a6~0)|))) (.cse27 (not (= 1 |old(~a27~0)|))) (.cse40 (not (= 1 |old(~a3~0)|))) (.cse0 (not (= 1 |old(~a10~0)|))) (.cse58 (not (= 0 |old(~a27~0)|))) (.cse1 (not (= 1 |old(~a22~0)|))) (.cse59 (not (= 0 |old(~a11~0)|))) (.cse2 (not (= 1 |old(~a16~0)|))) (.cse3 (not (= 1 ~a18~0))) (.cse51 (not (= 0 |old(~a26~0)|))) (.cse4 (not (= 1 |old(~a1~0)|))) (.cse5 (not (= 0 |old(~a2~0)|))) (.cse60 (not (= 0 |old(~a12~0)|))) (.cse7 (not (= 0 |old(~a25~0)|))) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse24 (= 0 |old(~a3~0)|)) (.cse28 (= 1 |old(~a12~0)|)) (.cse41 (= ~a12~0 |old(~a12~0)|)) (.cse55 (= 1 ~a27~0)) (.cse42 (= ~a6~0 |old(~a6~0)|)) (.cse43 (= ~a26~0 |old(~a26~0)|)) (.cse44 (= |old(~a22~0)| ~a22~0)) (.cse45 (= ~a27~0 |old(~a27~0)|)) (.cse46 (= |old(~a3~0)| ~a3~0)) (.cse35 (= 1 ~a11~0)) (.cse47 (= ~a5~0 |old(~a5~0)|)) (.cse48 (= 1 ~a12~0))) (let ((.cse32 (and .cse42 .cse43 .cse44 .cse45 .cse46 .cse35 .cse47 .cse48)) (.cse49 (and .cse42 .cse43 .cse44 .cse46 .cse47 .cse55 .cse48)) (.cse21 (not (= 2 |old(~a3~0)|))) (.cse29 (and .cse41 .cse44 .cse45 .cse46 .cse47 .cse42 .cse43)) (.cse53 (and .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse35 .cse47)) (.cse54 (and .cse44 .cse45 .cse46 .cse47 .cse42 .cse48 .cse43)) (.cse52 (= |old(~a6~0)| |old(~a22~0)|)) (.cse30 (and (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a23~0 0) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a8~0 0) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0))) (.cse31 (not .cse28)) (.cse50 (and .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48)) (.cse6 (and (= ~a0~0 1) (= ~a19~0 0))) (.cse33 (< 0 |old(~a27~0)|)) (.cse25 (< 0 |old(~a6~0)|)) (.cse34 (not .cse24)) (.cse38 (and (or .cse0 .cse1 .cse59 .cse2 .cse3 .cse51 .cse4 .cse5 .cse60 .cse7 .cse9 .cse39 .cse27 .cse40) (or .cse0 .cse58 .cse1 .cse59 .cse2 .cse3 .cse51 .cse4 .cse5 .cse60 .cse7 .cse9))) (.cse17 (not (= 1 |old(~a11~0)|))) (.cse8 (not (= 1 |old(~a6~0)|))) (.cse36 (< |old(~a3~0)| 2)) (.cse16 (= |calculate_output_#in~input| 0)) (.cse56 (not (= 1 |old(~a13~0)|))) (.cse26 (not (= 1 |old(~a26~0)|))) (.cse10 (not (= 1 |old(~a15~0)|))) (.cse11 (not (= 0 |old(~a20~0)|))) (.cse12 (not (= 0 |old(~a23~0)|))) (.cse13 (not (= 1 |old(~a0~0)|))) (.cse14 (not (= 0 |old(~a19~0)|))) (.cse15 (not (= 1 |old(~a29~0)|))) (.cse18 (not (= 0 |old(~a8~0)|))) (.cse19 (not (= 0 |old(~a14~0)|))) (.cse20 (not (= 0 |old(~a17~0)|))) (.cse22 (not (= 1 |old(~a5~0)|))) (.cse23 (not (= 1 |old(~a4~0)|))) (.cse57 (and .cse37 (= ~a13~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse25 .cse5 .cse26 .cse7 .cse9 .cse10 .cse6 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse27 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse22 .cse28 .cse29 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse30 .cse17 .cse27 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse26 .cse23 .cse7) (or .cse31 .cse25 .cse32 .cse22 .cse26 .cse33 .cse17) (or .cse31 .cse34 .cse22 .cse17 .cse8 .cse32) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse28 .cse18 .cse30 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse25 .cse35 .cse22 .cse26 .cse3 .cse17 .cse27) (or .cse9 .cse0 .cse1 .cse34 .cse10 .cse11 .cse12 .cse2 .cse15 .cse33 .cse3 .cse30 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse23 .cse7) (or .cse31 .cse22 .cse35 .cse3 .cse17 .cse36 .cse8) (or .cse37 .cse38 .cse39 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse40 .cse20 .cse22 .cse23) (or .cse25 (and .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47) .cse22 .cse26 .cse33 .cse3 .cse28) (or .cse35 .cse22 .cse26 .cse33 .cse28 .cse17 .cse8) (or .cse31 (and .cse42 .cse43 .cse45 .cse44 .cse46 .cse35 .cse47 .cse48) (or .cse25 .cse34 .cse26 .cse17) .cse22) (or .cse31 .cse49 .cse22 .cse26 .cse27 .cse8) (or .cse31 .cse35 .cse22 .cse33 .cse3 .cse17 .cse8) (or .cse31 .cse22 .cse50 .cse26 .cse33 .cse8) (or .cse9 .cse0 .cse1 .cse34 .cse10 .cse11 .cse12 .cse2 .cse15 .cse30 .cse3 .cse17 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse30 .cse12 .cse2 .cse15 .cse3 .cse27 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse26 .cse23 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse13 .cse2 .cse14 .cse15 .cse3 .cse16 .cse28 .cse24 .cse18 .cse19 .cse20 .cse4 .cse6 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse31 .cse25 .cse34 .cse22 .cse33 .cse50) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse27 .cse18 .cse19 .cse20 .cse4 .cse30 (or .cse25 .cse34 .cse26) .cse5 .cse22 .cse23 .cse7) (or .cse35 .cse51 .cse22 .cse3 .cse17 .cse27 .cse52 .cse36 .cse8) (or .cse22 .cse26 .cse3 .cse17 .cse27 .cse8 .cse35) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse5 .cse26 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse27 .cse18 .cse19 .cse20 .cse6 .cse22 .cse23) (or .cse22 .cse26 .cse35 .cse28 .cse17 .cse27 .cse8) (or .cse51 .cse25 .cse22 .cse3 (and .cse41 .cse42 (= ~a26~0 0) .cse44 .cse46 (= ~a27~0 1) .cse35 .cse47) .cse28 .cse17 .cse27 .cse36) (or .cse50 .cse31 .cse34 .cse22 .cse33 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse28 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse30 .cse23 .cse7) (or .cse53 .cse25 .cse22 .cse26 .cse28 .cse17) (or .cse9 .cse30 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse17 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse36 .cse7 .cse8) (or .cse31 .cse49 .cse25 .cse22 .cse26 .cse27) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse26 .cse7 .cse8 .cse9 .cse6 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse27 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse35 .cse34 .cse22 .cse17 .cse8) (or .cse31 .cse34 .cse22 .cse26 .cse50 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse31 .cse25 .cse22 .cse36 .cse54) (or .cse25 .cse29 .cse22 .cse28 .cse52) (or .cse25 .cse53 .cse22 .cse33 .cse3 .cse28 .cse17 .cse36) (or (or .cse25 .cse34 .cse22 .cse28 .cse17) .cse35) (or (and .cse41 .cse42 .cse43 .cse44 .cse46 .cse47 .cse55) .cse25 .cse22 .cse26 .cse3 .cse27) (or .cse0 .cse1 .cse2 .cse3 .cse25 .cse4 .cse5 .cse26 .cse30 .cse36 .cse7 .cse9 .cse10 .cse11 .cse12 .cse15 .cse33 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse31 .cse22 .cse54 .cse36 .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse28 .cse24 .cse25 .cse4 .cse5 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse25 .cse22 .cse28 .cse17 .cse52 .cse35) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse30 .cse2 .cse15 .cse33 .cse3 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse31 .cse50 .cse22 .cse33 .cse3 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse25 .cse5 .cse26 .cse36 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or (or .cse25 .cse34 .cse22 .cse28) (and .cse41 .cse44 .cse45 .cse47 .cse42 (= 0 ~a3~0) .cse43)) (or .cse56 .cse38 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse27 .cse18 .cse19 .cse20 .cse22 .cse23 .cse57) (or .cse35 (or .cse22 .cse26 .cse3 .cse17 .cse8) .cse36) (or .cse16 (or .cse0 .cse58 .cse1 .cse59 .cse2 .cse3 .cse4 .cse56 .cse5 .cse60 .cse26 .cse7 .cse9 .cse39 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse18 .cse19) .cse40 .cse20 .cse22 .cse23 .cse57)))) [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 08:07:34,753 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,754 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,755 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,756 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,757 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-12-09 08:07:34,758 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,759 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a13~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-12-09 08:07:34,760 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-12-09 08:07:34,760 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (not (= 1 |old(~a13~0)|)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a13~0 1) (= ~a19~0 0) (= ~a8~0 0) (= ~a6~0 |old(~a6~0)|) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= |old(~a3~0)| ~a3~0) (= ~a2~0 0)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-12-09 08:07:34,761 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 08:07:34,761 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse10 (<= ~a6~0 0)) (.cse8 (= 1 ~a11~0)) (.cse3 (not (= ~a12~0 1)))) (let ((.cse1 (and .cse10 .cse8 .cse3)) (.cse0 (<= 2 ~a3~0)) (.cse9 (= 0 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse7 (= ~a5~0 |old(~a5~0)|)) (.cse6 (= 1 ~a6~0)) (.cse11 (= 1 ~a27~0)) (.cse2 (= ~a5~0 1)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 (and .cse1 (= ~a27~0 1) .cse2 (= ~a26~0 0))) (and (and (and (<= ~a6~0 |old(~a6~0)|) .cse3 .cse4) .cse5) .cse2) (and (and (and .cse1 .cse5) .cse2) .cse0) (and .cse6 .cse7 (and .cse8 .cse9)) (and .cse10 (= 1 ~a5~0) (and .cse8 .cse9 .cse4)) (and .cse10 .cse8 .cse7 .cse4 .cse5) (and .cse6 (and .cse7 .cse9 .cse4)) (not (= 1 |old(~a13~0)|)) (and (and .cse6 .cse7) .cse0) (and .cse10 .cse7 .cse9 .cse5) (not (= 1 |old(~a27~0)|)) (and .cse6 .cse7 .cse3) (and .cse0 (and .cse10 (= 1 ~a12~0) .cse2)) (and (and .cse10 .cse3 (not (= ~a22~0 ~a6~0))) .cse2) (and (and .cse10 .cse3 .cse9) .cse7) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse6 .cse2 .cse5) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and (and .cse10 .cse8 .cse3 .cse4) .cse7) (not (= 0 |old(~a2~0)|)) (and .cse10 .cse7 .cse11 .cse4) (and .cse6 .cse11 .cse2 .cse4)))) [2018-12-09 08:07:34,761 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-12-09 08:07:34,761 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse10 (<= ~a6~0 0)) (.cse8 (= 1 ~a11~0)) (.cse3 (not (= ~a12~0 1)))) (let ((.cse1 (and .cse10 .cse8 .cse3)) (.cse0 (<= 2 ~a3~0)) (.cse9 (= 0 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse2 (= ~a5~0 |old(~a5~0)|)) (.cse7 (= 1 ~a6~0)) (.cse11 (= 1 ~a27~0)) (.cse6 (= ~a5~0 1)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 (and (and .cse1 (= ~a27~0 1) (= ~a26~0 0)) .cse2)) (and (and (and (<= ~a6~0 |old(~a6~0)|) .cse3 .cse4) .cse5) .cse6) (and (and (and .cse1 .cse5) .cse6) .cse0) (and .cse7 .cse2 (and .cse8 .cse9)) (and .cse10 (= 1 ~a5~0) (and .cse8 .cse9 .cse4)) (and .cse10 .cse8 .cse2 .cse4 .cse5) (and .cse7 (and .cse2 .cse9 .cse4)) (not (= 1 |old(~a13~0)|)) (and (and .cse7 .cse2) .cse0) (and .cse10 .cse2 .cse9 .cse5) (not (= 1 |old(~a27~0)|)) (and .cse7 .cse2 .cse3) (and .cse0 (and .cse10 (= 1 ~a12~0) .cse6)) (and (and .cse10 .cse3 (not (= ~a22~0 ~a6~0))) .cse6) (and (and .cse10 .cse3 .cse9) .cse2) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse7 .cse6 .cse5) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and (and .cse10 .cse8 .cse3 .cse4) .cse2) (not (= 0 |old(~a2~0)|)) (and .cse10 .cse2 .cse11 .cse4) (and .cse7 .cse11 .cse6 .cse4)))) [2018-12-09 08:07:34,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:07:34 BoogieIcfgContainer [2018-12-09 08:07:34,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:07:34,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:07:34,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:07:34,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:07:34,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:18" (3/4) ... [2018-12-09 08:07:34,773 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:07:34,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 08:07:34,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 08:07:34,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 08:07:34,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 08:07:34,789 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 08:07:34,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((2 <= a3 && ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 == 1) && a5 == 1) && a26 == 0) || ((((a6 <= \old(a6) && !(a12 == 1)) && 1 == a26) && a27 <= 0) && a5 == 1)) || (((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 <= 0) && a5 == 1) && 2 <= a3)) || ((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3)) || ((a6 <= 0 && 1 == a5) && (1 == a11 && 0 == a3) && 1 == a26)) || ((((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a26) && a27 <= 0)) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || !(1 == \old(a13))) || ((1 == a6 && a5 == \old(a5)) && 2 <= a3)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (2 <= a3 && (a6 <= 0 && 1 == a12) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((1 == a6 && a5 == 1) && a27 <= 0)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && 1 == a26) && a5 == \old(a5))) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || (((1 == a6 && 1 == a27) && a5 == 1) && 1 == a26) [2018-12-09 08:07:34,876 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8f7b9740-fe68-4aff-adff-71a950217e66/bin-2019/utaipan/witness.graphml [2018-12-09 08:07:34,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:07:34,876 INFO L168 Benchmark]: Toolchain (without parser) took 197796.14 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 941.6 MB in the beginning and 1.8 GB in the end (delta: -866.1 MB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,877 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:34,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:07:34,877 INFO L168 Benchmark]: Boogie Preprocessor took 55.46 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,877 INFO L168 Benchmark]: RCFGBuilder took 1149.33 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: 6.5 MB). Peak memory consumption was 231.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,878 INFO L168 Benchmark]: TraceAbstraction took 195888.05 ms. Allocated memory was 1.1 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -813.8 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,878 INFO L168 Benchmark]: Witness Printer took 105.72 ms. Allocated memory is still 5.5 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:07:34,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 569.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.46 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1149.33 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: 6.5 MB). Peak memory consumption was 231.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 195888.05 ms. Allocated memory was 1.1 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -813.8 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 105.72 ms. Allocated memory is still 5.5 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((2 <= a3 && ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 == 1) && a5 == 1) && a26 == 0) || ((((a6 <= \old(a6) && !(a12 == 1)) && 1 == a26) && a27 <= 0) && a5 == 1)) || (((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 <= 0) && a5 == 1) && 2 <= a3)) || ((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3)) || ((a6 <= 0 && 1 == a5) && (1 == a11 && 0 == a3) && 1 == a26)) || ((((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a26) && a27 <= 0)) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || !(1 == \old(a13))) || ((1 == a6 && a5 == \old(a5)) && 2 <= a3)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (2 <= a3 && (a6 <= 0 && 1 == a12) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((1 == a6 && a5 == 1) && a27 <= 0)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && 1 == a26) && a5 == \old(a5))) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || (((1 == a6 && 1 == a27) && a5 == 1) && 1 == a26) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 195.8s OverallTime, 16 OverallIterations, 6 TraceHistogramMax, 103.7s AutomataDifference, 0.0s DeadEndRemovalTime, 64.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3092 SDtfs, 20423 SDslu, 2738 SDs, 0 SdLazy, 32718 SolverSat, 4910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 7094 GetRequests, 6816 SyntacticMatches, 11 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2050 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137850occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.5s AbstIntTime, 12 AbstIntIterations, 5 AbstIntStrong, 0.9990668111631301 AbsIntWeakeningRatio, 0.20715522215810733 AbsIntAvgWeakeningVarsNumRemoved, 58.050201961915754 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 15759 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 3974 PreInvPairs, 4666 NumberOfFragments, 4702 HoareAnnotationTreeSize, 3974 FomulaSimplifications, 240394 FormulaSimplificationTreeSizeReduction, 16.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 223841 FormulaSimplificationTreeSizeReductionInter, 47.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 7691 NumberOfCodeBlocks, 7691 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 10222 ConstructedInterpolants, 0 QuantifiedInterpolants, 8026805 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10270 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 30 InterpolantComputations, 8 PerfectInterpolantSequences, 7748/8749 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...