./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/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 28b1d24b851fc193321d917a51d82cffe4d9ea6e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:25:49,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:25:49,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:25:49,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:25:49,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:25:49,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:25:49,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:25:49,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:25:49,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:25:49,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:25:49,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:25:49,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:25:49,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:25:49,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:25:49,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:25:49,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:25:49,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:25:49,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:25:49,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:25:49,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:25:49,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:25:49,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:25:49,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:25:49,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:25:49,530 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:25:49,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:25:49,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:25:49,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:25:49,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:25:49,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:25:49,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:25:49,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:25:49,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:25:49,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:25:49,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:25:49,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:25:49,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:25:49,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:25:49,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:25:49,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:25:49,544 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:25:49,544 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:25:49,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:25:49,544 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:25:49,544 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:25:49,545 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:25:49,545 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:25:49,545 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:25:49,545 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:25:49,545 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:25:49,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:25:49,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:25:49,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:25:49,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:25:49,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:25:49,548 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:25:49,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:25:49,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:25:49,549 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:25:49,551 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_e8508775-af7e-48af-881b-2a669779d854/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 -> 28b1d24b851fc193321d917a51d82cffe4d9ea6e [2018-11-18 14:25:49,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:25:49,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:25:49,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:25:49,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:25:49,589 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:25:49,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c [2018-11-18 14:25:49,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/data/6db0691e8/13c2fcdc1f6344dc98ced1f6b9959a37/FLAG4b9b86934 [2018-11-18 14:25:50,066 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:25:50,067 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/sv-benchmarks/c/eca-rers2012/Problem03_label32_true-unreach-call.c [2018-11-18 14:25:50,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/data/6db0691e8/13c2fcdc1f6344dc98ced1f6b9959a37/FLAG4b9b86934 [2018-11-18 14:25:50,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/data/6db0691e8/13c2fcdc1f6344dc98ced1f6b9959a37 [2018-11-18 14:25:50,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:25:50,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:25:50,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:25:50,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:25:50,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:25:50,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:25:50" (1/1) ... [2018-11-18 14:25:50,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:50, skipping insertion in model container [2018-11-18 14:25:50,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:25:50" (1/1) ... [2018-11-18 14:25:50,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:25:50,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:25:50,893 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:25:50,896 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:25:51,080 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:25:51,096 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:25:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51 WrapperNode [2018-11-18 14:25:51,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:25:51,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:25:51,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:25:51,097 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:25:51,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:25:51,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:25:51,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:25:51,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:25:51,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... [2018-11-18 14:25:51,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:25:51,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:25:51,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:25:51,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:25:51,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:25:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:25:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:25:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:25:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:25:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:25:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:25:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:25:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:25:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:25:52,584 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:25:52,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:52 BoogieIcfgContainer [2018-11-18 14:25:52,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:25:52,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:25:52,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:25:52,588 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:25:52,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:25:50" (1/3) ... [2018-11-18 14:25:52,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a244d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:25:52, skipping insertion in model container [2018-11-18 14:25:52,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:51" (2/3) ... [2018-11-18 14:25:52,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a244d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:25:52, skipping insertion in model container [2018-11-18 14:25:52,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:52" (3/3) ... [2018-11-18 14:25:52,591 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label32_true-unreach-call.c [2018-11-18 14:25:52,598 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:25:52,604 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:25:52,614 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:25:52,659 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:25:52,659 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:25:52,659 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:25:52,659 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:25:52,660 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:25:52,660 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:25:52,660 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:25:52,660 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:25:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-18 14:25:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 14:25:52,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:52,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:52,701 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:52,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:52,707 INFO L82 PathProgramCache]: Analyzing trace with hash -261503911, now seen corresponding path program 1 times [2018-11-18 14:25:52,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:52,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:52,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:52,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:52,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:53,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:53,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:25:53,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:53,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:25:53,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:25:53,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:25:53,211 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-11-18 14:25:54,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:54,222 INFO L93 Difference]: Finished difference Result 845 states and 1487 transitions. [2018-11-18 14:25:54,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:25:54,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2018-11-18 14:25:54,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:54,234 INFO L225 Difference]: With dead ends: 845 [2018-11-18 14:25:54,234 INFO L226 Difference]: Without dead ends: 531 [2018-11-18 14:25:54,238 INFO L604 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 [2018-11-18 14:25:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-18 14:25:54,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 530. [2018-11-18 14:25:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-18 14:25:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 869 transitions. [2018-11-18 14:25:54,292 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 869 transitions. Word has length 196 [2018-11-18 14:25:54,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:54,293 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 869 transitions. [2018-11-18 14:25:54,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:25:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 869 transitions. [2018-11-18 14:25:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 14:25:54,299 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:54,299 INFO L375 BasicCegarLoop]: trace histogram [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, 1] [2018-11-18 14:25:54,299 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:54,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:54,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1300329408, now seen corresponding path program 1 times [2018-11-18 14:25:54,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:54,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:54,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:54,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:54,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:54,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:54,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:25:54,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:54,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:25:54,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:25:54,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:25:54,470 INFO L87 Difference]: Start difference. First operand 530 states and 869 transitions. Second operand 6 states. [2018-11-18 14:25:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:55,434 INFO L93 Difference]: Finished difference Result 1599 states and 2688 transitions. [2018-11-18 14:25:55,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:25:55,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2018-11-18 14:25:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:55,439 INFO L225 Difference]: With dead ends: 1599 [2018-11-18 14:25:55,439 INFO L226 Difference]: Without dead ends: 1075 [2018-11-18 14:25:55,441 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:25:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-11-18 14:25:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1034. [2018-11-18 14:25:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 14:25:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1689 transitions. [2018-11-18 14:25:55,476 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1689 transitions. Word has length 206 [2018-11-18 14:25:55,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:55,476 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1689 transitions. [2018-11-18 14:25:55,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:25:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1689 transitions. [2018-11-18 14:25:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 14:25:55,480 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:55,481 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 14:25:55,481 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:55,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:55,481 INFO L82 PathProgramCache]: Analyzing trace with hash 544312285, now seen corresponding path program 1 times [2018-11-18 14:25:55,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:55,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:55,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:55,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:55,482 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:55,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:55,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:25:55,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:55,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:25:55,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:25:55,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:25:55,673 INFO L87 Difference]: Start difference. First operand 1034 states and 1689 transitions. Second operand 3 states. [2018-11-18 14:25:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:56,519 INFO L93 Difference]: Finished difference Result 2926 states and 4961 transitions. [2018-11-18 14:25:56,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:25:56,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2018-11-18 14:25:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:56,529 INFO L225 Difference]: With dead ends: 2926 [2018-11-18 14:25:56,529 INFO L226 Difference]: Without dead ends: 1898 [2018-11-18 14:25:56,532 INFO L604 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 [2018-11-18 14:25:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2018-11-18 14:25:56,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1876. [2018-11-18 14:25:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-11-18 14:25:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 3046 transitions. [2018-11-18 14:25:56,574 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 3046 transitions. Word has length 209 [2018-11-18 14:25:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:56,575 INFO L480 AbstractCegarLoop]: Abstraction has 1876 states and 3046 transitions. [2018-11-18 14:25:56,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:25:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3046 transitions. [2018-11-18 14:25:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 14:25:56,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:56,581 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:56,581 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:56,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1421528372, now seen corresponding path program 1 times [2018-11-18 14:25:56,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:56,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:56,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:56,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:56,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:56,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:25:56,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:25:56,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-18 14:25:56,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:25:56,750 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:25:56,750 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:25:57,479 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:25:57,481 INFO L272 AbstractInterpreter]: Visited 197 different actions 197 times. Never merged. Never widened. Performed 4225 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4225 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-11-18 14:25:57,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:57,501 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:25:58,280 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 73.97% of their original sizes. [2018-11-18 14:25:58,280 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:25:58,452 INFO L415 sIntCurrentIteration]: We unified 226 AI predicates to 226 [2018-11-18 14:25:58,452 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:25:58,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:25:58,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-18 14:25:58,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:58,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:25:58,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:25:58,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:25:58,454 INFO L87 Difference]: Start difference. First operand 1876 states and 3046 transitions. Second operand 13 states. [2018-11-18 14:26:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:01,289 INFO L93 Difference]: Finished difference Result 3956 states and 6420 transitions. [2018-11-18 14:26:01,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:26:01,289 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 227 [2018-11-18 14:26:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:01,296 INFO L225 Difference]: With dead ends: 3956 [2018-11-18 14:26:01,296 INFO L226 Difference]: Without dead ends: 2086 [2018-11-18 14:26:01,300 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:26:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2018-11-18 14:26:01,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2084. [2018-11-18 14:26:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2018-11-18 14:26:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3264 transitions. [2018-11-18 14:26:01,341 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3264 transitions. Word has length 227 [2018-11-18 14:26:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:01,342 INFO L480 AbstractCegarLoop]: Abstraction has 2084 states and 3264 transitions. [2018-11-18 14:26:01,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:26:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3264 transitions. [2018-11-18 14:26:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 14:26:01,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:01,348 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:26:01,349 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:01,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:01,349 INFO L82 PathProgramCache]: Analyzing trace with hash 851586175, now seen corresponding path program 1 times [2018-11-18 14:26:01,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:01,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:01,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:01,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:01,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:01,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:01,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:01,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-11-18 14:26:01,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:01,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:01,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:02,277 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:02,277 INFO L272 AbstractInterpreter]: Visited 201 different actions 394 times. Merged at 4 different actions 4 times. Never widened. Performed 8824 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8824 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:02,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:02,282 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:02,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:02,282 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:26:02,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:02,288 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:02,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 14:26:02,508 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 14:26:02,729 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:26:02,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 14:26:02,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:02,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:02,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:02,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:02,731 INFO L87 Difference]: Start difference. First operand 2084 states and 3264 transitions. Second operand 3 states. [2018-11-18 14:26:03,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:03,404 INFO L93 Difference]: Finished difference Result 5706 states and 9416 transitions. [2018-11-18 14:26:03,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:03,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2018-11-18 14:26:03,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:03,418 INFO L225 Difference]: With dead ends: 5706 [2018-11-18 14:26:03,418 INFO L226 Difference]: Without dead ends: 3836 [2018-11-18 14:26:03,424 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 470 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2018-11-18 14:26:03,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3831. [2018-11-18 14:26:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3831 states. [2018-11-18 14:26:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5876 transitions. [2018-11-18 14:26:03,502 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5876 transitions. Word has length 236 [2018-11-18 14:26:03,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:03,503 INFO L480 AbstractCegarLoop]: Abstraction has 3831 states and 5876 transitions. [2018-11-18 14:26:03,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5876 transitions. [2018-11-18 14:26:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 14:26:03,514 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:03,514 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:26:03,515 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:03,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:03,515 INFO L82 PathProgramCache]: Analyzing trace with hash -289988136, now seen corresponding path program 1 times [2018-11-18 14:26:03,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:03,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:03,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:03,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:03,516 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:03,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:03,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:03,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-18 14:26:03,630 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:03,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:03,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:04,294 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:04,294 INFO L272 AbstractInterpreter]: Visited 201 different actions 394 times. Merged at 4 different actions 4 times. Never widened. Performed 8826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:04,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:04,295 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:04,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:04,295 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/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 [2018-11-18 14:26:04,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:04,306 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:04,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:04,485 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:04,595 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:26:04,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 14:26:04,596 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:04,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:04,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:04,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:04,597 INFO L87 Difference]: Start difference. First operand 3831 states and 5876 transitions. Second operand 3 states. [2018-11-18 14:26:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:05,470 INFO L93 Difference]: Finished difference Result 10700 states and 17044 transitions. [2018-11-18 14:26:05,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:05,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2018-11-18 14:26:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:05,495 INFO L225 Difference]: With dead ends: 10700 [2018-11-18 14:26:05,495 INFO L226 Difference]: Without dead ends: 7083 [2018-11-18 14:26:05,505 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 484 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:05,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2018-11-18 14:26:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 7058. [2018-11-18 14:26:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7058 states. [2018-11-18 14:26:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 10955 transitions. [2018-11-18 14:26:05,664 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 10955 transitions. Word has length 243 [2018-11-18 14:26:05,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:05,665 INFO L480 AbstractCegarLoop]: Abstraction has 7058 states and 10955 transitions. [2018-11-18 14:26:05,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 10955 transitions. [2018-11-18 14:26:05,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 14:26:05,683 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:05,683 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:05,683 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:05,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1593791885, now seen corresponding path program 1 times [2018-11-18 14:26:05,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:05,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:05,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:05,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:05,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:05,833 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-18 14:26:05,833 INFO L202 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], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:05,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:05,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:06,439 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:06,439 INFO L272 AbstractInterpreter]: Visited 201 different actions 394 times. Merged at 4 different actions 4 times. Never widened. Performed 8832 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:06,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:06,441 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:06,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:06,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/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 [2018-11-18 14:26:06,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:06,459 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:06,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:06,585 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:06,660 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:26:06,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 14:26:06,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:06,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:06,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:06,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:06,661 INFO L87 Difference]: Start difference. First operand 7058 states and 10955 transitions. Second operand 3 states. [2018-11-18 14:26:07,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:07,270 INFO L93 Difference]: Finished difference Result 20383 states and 32826 transitions. [2018-11-18 14:26:07,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:07,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2018-11-18 14:26:07,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:07,315 INFO L225 Difference]: With dead ends: 20383 [2018-11-18 14:26:07,315 INFO L226 Difference]: Without dead ends: 13539 [2018-11-18 14:26:07,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states. [2018-11-18 14:26:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 13536. [2018-11-18 14:26:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13536 states. [2018-11-18 14:26:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13536 states to 13536 states and 19407 transitions. [2018-11-18 14:26:07,595 INFO L78 Accepts]: Start accepts. Automaton has 13536 states and 19407 transitions. Word has length 262 [2018-11-18 14:26:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:07,595 INFO L480 AbstractCegarLoop]: Abstraction has 13536 states and 19407 transitions. [2018-11-18 14:26:07,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 13536 states and 19407 transitions. [2018-11-18 14:26:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 14:26:07,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:07,635 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:26:07,635 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:07,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1122385279, now seen corresponding path program 1 times [2018-11-18 14:26:07,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:08,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:08,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:08,039 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-18 14:26:08,040 INFO L202 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], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:08,044 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:08,044 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:08,436 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:08,436 INFO L272 AbstractInterpreter]: Visited 200 different actions 393 times. Merged at 5 different actions 5 times. Never widened. Performed 8578 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8578 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:08,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:08,437 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:08,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:08,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/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 [2018-11-18 14:26:08,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:08,444 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:08,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:08,619 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:08,751 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:26:08,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-18 14:26:08,752 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:08,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:08,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:08,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:26:08,753 INFO L87 Difference]: Start difference. First operand 13536 states and 19407 transitions. Second operand 3 states. [2018-11-18 14:26:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:09,535 INFO L93 Difference]: Finished difference Result 32505 states and 48723 transitions. [2018-11-18 14:26:09,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:09,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2018-11-18 14:26:09,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:09,574 INFO L225 Difference]: With dead ends: 32505 [2018-11-18 14:26:09,574 INFO L226 Difference]: Without dead ends: 19183 [2018-11-18 14:26:09,589 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 593 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:26:09,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19183 states. [2018-11-18 14:26:09,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19183 to 19180. [2018-11-18 14:26:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19180 states. [2018-11-18 14:26:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19180 states to 19180 states and 28139 transitions. [2018-11-18 14:26:09,801 INFO L78 Accepts]: Start accepts. Automaton has 19180 states and 28139 transitions. Word has length 297 [2018-11-18 14:26:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:09,801 INFO L480 AbstractCegarLoop]: Abstraction has 19180 states and 28139 transitions. [2018-11-18 14:26:09,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 19180 states and 28139 transitions. [2018-11-18 14:26:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-11-18 14:26:09,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:09,834 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:09,834 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:09,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:09,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1535297729, now seen corresponding path program 1 times [2018-11-18 14:26:09,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:09,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:09,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,835 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 159 proven. 53 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:26:10,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:10,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:10,026 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 353 with the following transitions: [2018-11-18 14:26:10,026 INFO L202 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], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [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], [424], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:10,029 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:10,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:10,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:26:10,391 INFO L272 AbstractInterpreter]: Visited 201 different actions 396 times. Merged at 5 different actions 5 times. Never widened. Performed 8466 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8466 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:10,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:10,401 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:26:11,005 INFO L227 lantSequenceWeakener]: Weakened 349 states. On average, predicates are now at 72.98% of their original sizes. [2018-11-18 14:26:11,005 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:26:11,220 INFO L415 sIntCurrentIteration]: We unified 351 AI predicates to 351 [2018-11-18 14:26:11,220 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:26:11,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:26:11,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-11-18 14:26:11,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:11,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 14:26:11,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 14:26:11,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:26:11,221 INFO L87 Difference]: Start difference. First operand 19180 states and 28139 transitions. Second operand 21 states. [2018-11-18 14:26:21,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:21,702 INFO L93 Difference]: Finished difference Result 38360 states and 56368 transitions. [2018-11-18 14:26:21,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:26:21,702 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 352 [2018-11-18 14:26:21,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:21,749 INFO L225 Difference]: With dead ends: 38360 [2018-11-18 14:26:21,750 INFO L226 Difference]: Without dead ends: 19394 [2018-11-18 14:26:21,773 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 360 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-11-18 14:26:21,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19394 states. [2018-11-18 14:26:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19394 to 19391. [2018-11-18 14:26:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19391 states. [2018-11-18 14:26:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19391 states to 19391 states and 28360 transitions. [2018-11-18 14:26:22,089 INFO L78 Accepts]: Start accepts. Automaton has 19391 states and 28360 transitions. Word has length 352 [2018-11-18 14:26:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:22,089 INFO L480 AbstractCegarLoop]: Abstraction has 19391 states and 28360 transitions. [2018-11-18 14:26:22,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 14:26:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 19391 states and 28360 transitions. [2018-11-18 14:26:22,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-18 14:26:22,121 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:22,121 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:26:22,122 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:22,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:22,122 INFO L82 PathProgramCache]: Analyzing trace with hash -661208115, now seen corresponding path program 1 times [2018-11-18 14:26:22,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:22,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:22,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:22,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:22,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 182 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 14:26:22,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:22,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:22,383 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-11-18 14:26:22,384 INFO L202 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], [174], [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], [424], [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], [1029], [1031], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 14:26:22,388 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:22,388 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:22,889 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:22,890 INFO L272 AbstractInterpreter]: Visited 202 different actions 396 times. Merged at 4 different actions 4 times. Never widened. Performed 8871 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 14:26:22,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:22,891 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:22,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:22,891 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/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 [2018-11-18 14:26:22,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:22,897 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:23,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:23,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:26:23,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:26:23,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:26:23,227 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:26:23,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:26:23,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:26:23,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:26:23,228 INFO L87 Difference]: Start difference. First operand 19391 states and 28360 transitions. Second operand 9 states. [2018-11-18 14:26:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:24,998 INFO L93 Difference]: Finished difference Result 60587 states and 95188 transitions. [2018-11-18 14:26:24,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:26:24,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-11-18 14:26:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:24,999 INFO L225 Difference]: With dead ends: 60587 [2018-11-18 14:26:24,999 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:26:25,066 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:26:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:26:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:26:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:26:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:26:25,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-11-18 14:26:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:25,068 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:26:25,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:26:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:26:25,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:26:25,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:26:25,444 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 28 [2018-11-18 14:26:25,588 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 28 [2018-11-18 14:26:25,840 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2018-11-18 14:26:27,088 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 546 DAG size of output: 176 [2018-11-18 14:26:27,228 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-11-18 14:26:27,366 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-11-18 14:26:27,368 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:26:27,368 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a0~0)| ~a0~0) (= ~a5~0 |old(~a5~0)|)) [2018-11-18 14:26:27,368 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,369 INFO L425 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1602) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,370 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-11-18 14:26:27,371 INFO L425 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,372 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,373 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,374 INFO L425 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-11-18 14:26:27,375 INFO L425 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,376 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,377 INFO L425 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,377 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-11-18 14:26:27,377 INFO L425 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-11-18 14:26:27,377 INFO L425 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,377 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~a27~0)|)))) (let ((.cse0 (< 0 |old(~a6~0)|)) (.cse5 (let ((.cse45 (not (= 1 |old(~a10~0)|))) (.cse46 (not (= 1 |old(~a22~0)|))) (.cse47 (not (= 0 |old(~a11~0)|))) (.cse48 (not (= 1 |old(~a16~0)|))) (.cse49 (not (= 1 ~a18~0))) (.cse50 (not (= 0 |old(~a26~0)|))) (.cse51 (not (= 1 |old(~a1~0)|))) (.cse52 (not (= 0 |old(~a2~0)|))) (.cse53 (not (= 0 |old(~a12~0)|))) (.cse54 (not (= 0 |old(~a25~0)|))) (.cse55 (not (= 0 |old(~a7~0)|)))) (and (or .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse14) (or .cse45 (not (= 0 |old(~a27~0)|)) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55)))) (.cse6 (not (= 0 |old(~a6~0)|))) (.cse7 (not (= 1 |old(~a15~0)|))) (.cse35 (= ~a19~0 0)) (.cse20 (= ~a4~0 1)) (.cse36 (= ~a8~0 0)) (.cse21 (= ~a16~0 1)) (.cse22 (= ~a15~0 1)) (.cse23 (= ~a26~0 0)) (.cse24 (= ~a11~0 0)) (.cse25 (= ~a17~0 0)) (.cse26 (= ~a20~0 0)) (.cse27 (= ~a25~0 0)) (.cse28 (= ~a23~0 0)) (.cse29 (= ~a22~0 1)) (.cse30 (= ~a1~0 1)) (.cse31 (= ~a29~0 1)) (.cse32 (= ~a6~0 0)) (.cse33 (= ~a14~0 0)) (.cse34 (= ~a3~0 1)) (.cse37 (= ~a7~0 0)) (.cse38 (= ~a10~0 1)) (.cse39 (= ~a2~0 0)) (.cse8 (not (= 0 |old(~a20~0)|))) (.cse9 (not (= 0 |old(~a23~0)|))) (.cse10 (not (= 1 |old(~a0~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= 1 |old(~a29~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 0 |old(~a8~0)|))) (.cse16 (not (= 0 |old(~a14~0)|))) (.cse17 (not (= 1 |old(~a3~0)|))) (.cse18 (not (= 0 |old(~a17~0)|))) (.cse19 (not (= 1 |old(~a4~0)|))) (.cse42 (< |old(~a3~0)| 2)) (.cse43 (= 1 |old(~a11~0)|)) (.cse41 (<= ~a27~0 0)) (.cse40 (< 0 |old(~a27~0)|)) (.cse4 (not (= 1 |old(~a5~0)|))) (.cse44 (not (= 1 |old(~a26~0)|))) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= |old(~a0~0)| ~a0~0)) (.cse3 (= ~a5~0 |old(~a5~0)|))) (and (or .cse0 (and .cse1 .cse2 (<= ~a6~0 0) .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 1) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (or .cse4 (and .cse1 (<= ~a3~0 0) .cse2 .cse3) (< 0 |old(~a3~0)|)) (or (not (= 1 |old(~a12~0)|)) .cse4 .cse40 (and .cse2 .cse3 (= 1 ~a12~0) .cse41)) (or .cse0 .cse4 .cse40 .cse42 .cse41) (or .cse5 .cse6 .cse7 (and (and .cse35 .cse20 .cse36 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) .cse37 .cse38 .cse39) .cse8 .cse9 .cse10 .cse11 .cse12 .cse40 .cse13 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19) (or .cse43 .cse4 (and .cse1 .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse4 .cse42 (and .cse1 .cse2 (<= 2 ~a3~0) .cse3)) (or .cse41 .cse43 .cse4 .cse40) (or .cse41 .cse4 .cse44 .cse40) (or .cse4 .cse44 (and .cse1 .cse2 .cse3 (= 1 ~a26~0)))))) [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-11-18 14:26:27,378 INFO L425 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,379 INFO L425 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,380 INFO L425 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,381 INFO L425 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,382 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,383 INFO L425 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,384 INFO L425 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,385 INFO L425 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,386 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,387 INFO L425 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L421 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) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-11-18 14:26:27,388 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 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) (= ~a19~0 0) (= |old(~a0~0)| ~a0~0) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 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)|)) (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)|))) [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point L1658-1(lines 1658 1668) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 14:26:27,388 INFO L421 ceAbstractionStarter]: At program point L1658-3(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (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)|)) (and (<= ~a6~0 0) .cse0) (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)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (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)|)))) [2018-11-18 14:26:27,389 INFO L425 ceAbstractionStarter]: For program point L1658-4(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 14:26:27,389 INFO L421 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (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)|)) (and (<= ~a6~0 0) .cse0) (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)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (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)|)))) [2018-11-18 14:26:27,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:26:27 BoogieIcfgContainer [2018-11-18 14:26:27,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:26:27,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:26:27,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:26:27,401 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:26:27,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:52" (3/4) ... [2018-11-18 14:26:27,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:26:27,409 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:26:27,409 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:26:27,410 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:26:27,431 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:26:27,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:26:27,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) [2018-11-18 14:26:27,537 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8508775-af7e-48af-881b-2a669779d854/bin-2019/utaipan/witness.graphml [2018-11-18 14:26:27,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:26:27,537 INFO L168 Benchmark]: Toolchain (without parser) took 37129.95 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 952.8 MB in the beginning and 1.0 GB in the end (delta: -95.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,538 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:26:27,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 874.9 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 874.9 MB in the beginning and 1.1 GB in the end (delta: -246.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,538 INFO L168 Benchmark]: Boogie Preprocessor took 69.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,539 INFO L168 Benchmark]: RCFGBuilder took 1294.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.3 MB in the end (delta: 243.3 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,539 INFO L168 Benchmark]: TraceAbstraction took 34815.16 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 863.3 MB in the beginning and 1.1 GB in the end (delta: -229.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,539 INFO L168 Benchmark]: Witness Printer took 136.00 ms. Allocated memory is still 3.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:27,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 687.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 874.9 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 874.9 MB in the beginning and 1.1 GB in the end (delta: -246.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1294.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.3 MB in the end (delta: 243.3 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34815.16 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 863.3 MB in the beginning and 1.1 GB in the end (delta: -229.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 136.00 ms. Allocated memory is still 3.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1602]: 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 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. SAFE Result, 34.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 21.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3411 SDtfs, 6910 SDslu, 1822 SDs, 0 SdLazy, 10320 SolverSat, 2074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3449 GetRequests, 3351 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19391occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9991235813273274 AbsIntWeakeningRatio, 0.2270363951473137 AbsIntAvgWeakeningVarsNumRemoved, 59.69150779896014 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 105 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 651 PreInvPairs, 1321 NumberOfFragments, 1193 HoareAnnotationTreeSize, 651 FomulaSimplifications, 25124 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9477 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3990 NumberOfCodeBlocks, 3990 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5370 ConstructedInterpolants, 0 QuantifiedInterpolants, 3795762 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5489 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1767/1886 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...