./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/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 ae8b9d15518dcb8efb3092579c510710d5de6c08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:21:04,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:21:04,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:21:04,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:21:04,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:21:04,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:21:04,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:21:04,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:21:04,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:21:04,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:21:04,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:21:04,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:21:04,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:21:04,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:21:04,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:21:04,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:21:04,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:21:04,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:21:04,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:21:04,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:21:04,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:21:04,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:21:04,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:21:04,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:21:04,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:21:04,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:21:04,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:21:04,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:21:04,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:21:04,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:21:04,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:21:04,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:21:04,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:21:04,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:21:04,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:21:04,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:21:04,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:21:04,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:21:04,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:21:04,670 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:21:04,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:21:04,671 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:21:04,671 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:21:04,671 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:21:04,671 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:21:04,671 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:21:04,672 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:21:04,672 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:21:04,672 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:21:04,672 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:21:04,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:21:04,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:21:04,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:21:04,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:21:04,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:21:04,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:21:04,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:21:04,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:21:04,675 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:21:04,675 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:21:04,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:21:04,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:21:04,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:21:04,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:21:04,676 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:21:04,676 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:21:04,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:21:04,676 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:21:04,676 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_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/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 -> ae8b9d15518dcb8efb3092579c510710d5de6c08 [2018-12-09 00:21:04,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:21:04,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:21:04,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:21:04,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:21:04,710 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:21:04,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-12-09 00:21:04,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/data/dca4ba4eb/fa25fdf6822d4a82bf065f13c771ea8b/FLAG551b91e1f [2018-12-09 00:21:05,167 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:21:05,168 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-12-09 00:21:05,174 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/data/dca4ba4eb/fa25fdf6822d4a82bf065f13c771ea8b/FLAG551b91e1f [2018-12-09 00:21:05,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/data/dca4ba4eb/fa25fdf6822d4a82bf065f13c771ea8b [2018-12-09 00:21:05,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:21:05,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:21:05,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:21:05,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:21:05,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:21:05,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05, skipping insertion in model container [2018-12-09 00:21:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:21:05,217 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:21:05,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:21:05,395 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:21:05,480 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:21:05,490 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:21:05,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05 WrapperNode [2018-12-09 00:21:05,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:21:05,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:21:05,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:21:05,491 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:21:05,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:21:05,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:21:05,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:21:05,510 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:21:05,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... [2018-12-09 00:21:05,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:21:05,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:21:05,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:21:05,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:21:05,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:21:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:21:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:21:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 00:21:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 00:21:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:21:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:21:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:21:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:21:06,126 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:21:06,126 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 00:21:06,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:06 BoogieIcfgContainer [2018-12-09 00:21:06,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:21:06,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:21:06,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:21:06,130 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:21:06,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:21:05" (1/3) ... [2018-12-09 00:21:06,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:21:06, skipping insertion in model container [2018-12-09 00:21:06,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:05" (2/3) ... [2018-12-09 00:21:06,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:21:06, skipping insertion in model container [2018-12-09 00:21:06,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:06" (3/3) ... [2018-12-09 00:21:06,133 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label24_true-unreach-call_false-termination.c [2018-12-09 00:21:06,141 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:21:06,147 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:21:06,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:21:06,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:21:06,180 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:21:06,180 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:21:06,180 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:21:06,180 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:21:06,180 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:21:06,180 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:21:06,180 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:21:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 00:21:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 00:21:06,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:06,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:06,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:06,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash -382656490, now seen corresponding path program 1 times [2018-12-09 00:21:06,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:06,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:06,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:06,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:06,243 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:06,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:21:06,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:21:06,507 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:06,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:21:06,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:21:06,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:06,520 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 00:21:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:07,019 INFO L93 Difference]: Finished difference Result 618 states and 1057 transitions. [2018-12-09 00:21:07,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:21:07,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-12-09 00:21:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:07,029 INFO L225 Difference]: With dead ends: 618 [2018-12-09 00:21:07,029 INFO L226 Difference]: Without dead ends: 320 [2018-12-09 00:21:07,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-09 00:21:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 319. [2018-12-09 00:21:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-09 00:21:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 466 transitions. [2018-12-09 00:21:07,070 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 466 transitions. Word has length 120 [2018-12-09 00:21:07,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:07,071 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 466 transitions. [2018-12-09 00:21:07,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:21:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 466 transitions. [2018-12-09 00:21:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 00:21:07,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:07,075 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 00:21:07,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:07,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:07,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1033455567, now seen corresponding path program 1 times [2018-12-09 00:21:07,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:07,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:07,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:07,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:07,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:07,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:21:07,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:21:07,234 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:07,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:21:07,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:21:07,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:21:07,235 INFO L87 Difference]: Start difference. First operand 319 states and 466 transitions. Second operand 5 states. [2018-12-09 00:21:07,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:07,577 INFO L93 Difference]: Finished difference Result 719 states and 1091 transitions. [2018-12-09 00:21:07,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:21:07,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-12-09 00:21:07,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:07,580 INFO L225 Difference]: With dead ends: 719 [2018-12-09 00:21:07,580 INFO L226 Difference]: Without dead ends: 319 [2018-12-09 00:21:07,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:21:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-12-09 00:21:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-12-09 00:21:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-09 00:21:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 463 transitions. [2018-12-09 00:21:07,596 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 463 transitions. Word has length 128 [2018-12-09 00:21:07,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:07,596 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 463 transitions. [2018-12-09 00:21:07,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:21:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 463 transitions. [2018-12-09 00:21:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 00:21:07,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:07,599 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:07,599 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:07,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1674841520, now seen corresponding path program 1 times [2018-12-09 00:21:07,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:07,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:07,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:07,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:07,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:07,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:21:07,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:21:07,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:07,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:21:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:21:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:21:07,693 INFO L87 Difference]: Start difference. First operand 319 states and 463 transitions. Second operand 6 states. [2018-12-09 00:21:08,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:08,053 INFO L93 Difference]: Finished difference Result 941 states and 1396 transitions. [2018-12-09 00:21:08,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:21:08,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-09 00:21:08,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:08,056 INFO L225 Difference]: With dead ends: 941 [2018-12-09 00:21:08,057 INFO L226 Difference]: Without dead ends: 628 [2018-12-09 00:21:08,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:21:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-09 00:21:08,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2018-12-09 00:21:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-12-09 00:21:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 883 transitions. [2018-12-09 00:21:08,073 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 883 transitions. Word has length 153 [2018-12-09 00:21:08,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:08,073 INFO L480 AbstractCegarLoop]: Abstraction has 620 states and 883 transitions. [2018-12-09 00:21:08,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:21:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 883 transitions. [2018-12-09 00:21:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 00:21:08,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:08,075 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:08,075 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:08,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:08,076 INFO L82 PathProgramCache]: Analyzing trace with hash 549018262, now seen corresponding path program 1 times [2018-12-09 00:21:08,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:08,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:08,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:08,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:08,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:08,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:21:08,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:21:08,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:08,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:21:08,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:21:08,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:08,128 INFO L87 Difference]: Start difference. First operand 620 states and 883 transitions. Second operand 3 states. [2018-12-09 00:21:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:08,403 INFO L93 Difference]: Finished difference Result 1828 states and 2673 transitions. [2018-12-09 00:21:08,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:21:08,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-12-09 00:21:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:08,407 INFO L225 Difference]: With dead ends: 1828 [2018-12-09 00:21:08,407 INFO L226 Difference]: Without dead ends: 1214 [2018-12-09 00:21:08,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:08,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2018-12-09 00:21:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1065. [2018-12-09 00:21:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2018-12-09 00:21:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1499 transitions. [2018-12-09 00:21:08,427 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1499 transitions. Word has length 154 [2018-12-09 00:21:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:08,428 INFO L480 AbstractCegarLoop]: Abstraction has 1065 states and 1499 transitions. [2018-12-09 00:21:08,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:21:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1499 transitions. [2018-12-09 00:21:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 00:21:08,430 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:08,430 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:08,430 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:08,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:08,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1668983788, now seen corresponding path program 1 times [2018-12-09 00:21:08,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:08,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:08,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:08,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:08,431 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:08,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:21:08,566 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:21:08,566 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-12-09 00:21:08,568 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [198], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:21:08,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:21:08,604 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:21:09,043 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:21:09,044 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 4 different actions 4 times. Never widened. Performed 2645 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 00:21:09,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:09,053 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:21:09,285 INFO L227 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 80.91% of their original sizes. [2018-12-09 00:21:09,286 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:21:09,336 INFO L418 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-12-09 00:21:09,336 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:21:09,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:21:09,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:21:09,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:09,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:21:09,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:21:09,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:21:09,338 INFO L87 Difference]: Start difference. First operand 1065 states and 1499 transitions. Second operand 10 states. [2018-12-09 00:21:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:12,396 INFO L93 Difference]: Finished difference Result 2566 states and 3623 transitions. [2018-12-09 00:21:12,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 00:21:12,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2018-12-09 00:21:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:12,399 INFO L225 Difference]: With dead ends: 2566 [2018-12-09 00:21:12,399 INFO L226 Difference]: Without dead ends: 1507 [2018-12-09 00:21:12,400 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:21:12,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-12-09 00:21:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1503. [2018-12-09 00:21:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-12-09 00:21:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1983 transitions. [2018-12-09 00:21:12,421 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1983 transitions. Word has length 171 [2018-12-09 00:21:12,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:12,421 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1983 transitions. [2018-12-09 00:21:12,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:21:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1983 transitions. [2018-12-09 00:21:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:21:12,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:12,424 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:12,424 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:12,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:12,424 INFO L82 PathProgramCache]: Analyzing trace with hash 323920598, now seen corresponding path program 1 times [2018-12-09 00:21:12,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:12,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:12,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:12,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:12,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:12,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:21:12,480 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:21:12,480 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-12-09 00:21:12,480 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [248], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:21:12,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:21:12,483 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:21:12,583 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:21:12,584 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 2764 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2764 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 00:21:12,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:12,585 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:21:12,762 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 82.57% of their original sizes. [2018-12-09 00:21:12,762 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:21:12,800 INFO L418 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-12-09 00:21:12,800 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:21:12,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:21:12,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:21:12,801 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:12,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:21:12,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:21:12,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:21:12,801 INFO L87 Difference]: Start difference. First operand 1503 states and 1983 transitions. Second operand 10 states. [2018-12-09 00:21:15,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:15,584 INFO L93 Difference]: Finished difference Result 3589 states and 4791 transitions. [2018-12-09 00:21:15,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 00:21:15,584 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-12-09 00:21:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:15,590 INFO L225 Difference]: With dead ends: 3589 [2018-12-09 00:21:15,590 INFO L226 Difference]: Without dead ends: 2092 [2018-12-09 00:21:15,593 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:21:15,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2018-12-09 00:21:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2087. [2018-12-09 00:21:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-09 00:21:15,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2688 transitions. [2018-12-09 00:21:15,631 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2688 transitions. Word has length 193 [2018-12-09 00:21:15,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:15,631 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 2688 transitions. [2018-12-09 00:21:15,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:21:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2688 transitions. [2018-12-09 00:21:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 00:21:15,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:15,635 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:15,635 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:15,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1454725066, now seen corresponding path program 1 times [2018-12-09 00:21:15,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:15,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:15,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:15,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:15,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:15,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:21:15,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:21:15,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:15,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:21:15,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:21:15,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:15,691 INFO L87 Difference]: Start difference. First operand 2087 states and 2688 transitions. Second operand 3 states. [2018-12-09 00:21:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:15,935 INFO L93 Difference]: Finished difference Result 4168 states and 5370 transitions. [2018-12-09 00:21:15,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:21:15,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-12-09 00:21:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:15,939 INFO L225 Difference]: With dead ends: 4168 [2018-12-09 00:21:15,939 INFO L226 Difference]: Without dead ends: 2087 [2018-12-09 00:21:15,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:21:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2018-12-09 00:21:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 2087. [2018-12-09 00:21:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-09 00:21:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2474 transitions. [2018-12-09 00:21:15,965 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2474 transitions. Word has length 202 [2018-12-09 00:21:15,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:15,965 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 2474 transitions. [2018-12-09 00:21:15,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:21:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2474 transitions. [2018-12-09 00:21:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 00:21:15,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:15,969 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:21:15,969 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:15,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:15,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1533375911, now seen corresponding path program 1 times [2018-12-09 00:21:15,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:15,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:15,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:15,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:15,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:21:16,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:21:16,065 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:21:16,065 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-12-09 00:21:16,066 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:21:16,069 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:21:16,069 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:21:16,250 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:21:16,250 INFO L272 AbstractInterpreter]: Visited 128 different actions 376 times. Merged at 7 different actions 18 times. Never widened. Performed 4485 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4485 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:21:16,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:16,253 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:21:16,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:21:16,253 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:21:16,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:16,259 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:21:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:16,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:21:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:16,374 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:21:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:16,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:21:16,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-09 00:21:16,461 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:21:16,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 00:21:16,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 00:21:16,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-09 00:21:16,462 INFO L87 Difference]: Start difference. First operand 2087 states and 2474 transitions. Second operand 14 states. [2018-12-09 00:21:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:17,488 INFO L93 Difference]: Finished difference Result 4922 states and 5930 transitions. [2018-12-09 00:21:17,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 00:21:17,488 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 213 [2018-12-09 00:21:17,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:17,492 INFO L225 Difference]: With dead ends: 4922 [2018-12-09 00:21:17,493 INFO L226 Difference]: Without dead ends: 1952 [2018-12-09 00:21:17,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 437 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=324, Invalid=1008, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 00:21:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2018-12-09 00:21:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1942. [2018-12-09 00:21:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1942 states. [2018-12-09 00:21:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2271 transitions. [2018-12-09 00:21:17,530 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2271 transitions. Word has length 213 [2018-12-09 00:21:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:17,530 INFO L480 AbstractCegarLoop]: Abstraction has 1942 states and 2271 transitions. [2018-12-09 00:21:17,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 00:21:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2271 transitions. [2018-12-09 00:21:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-09 00:21:17,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:21:17,534 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-09 00:21:17,534 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:21:17,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1936097426, now seen corresponding path program 1 times [2018-12-09 00:21:17,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:21:17,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:17,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:21:17,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:21:17,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:21:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 145 proven. 69 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 00:21:17,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:21:17,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:21:17,635 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-09 00:21:17,635 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [248], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:21:17,637 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:21:17,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:21:17,814 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:21:17,814 INFO L272 AbstractInterpreter]: Visited 126 different actions 380 times. Merged at 7 different actions 22 times. Never widened. Performed 4425 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4425 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-09 00:21:17,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:17,815 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:21:17,975 INFO L227 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 84.53% of their original sizes. [2018-12-09 00:21:17,975 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:21:18,016 INFO L418 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2018-12-09 00:21:18,016 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:21:18,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:21:18,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-12-09 00:21:18,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:21:18,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:21:18,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:21:18,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:21:18,017 INFO L87 Difference]: Start difference. First operand 1942 states and 2271 transitions. Second operand 9 states. [2018-12-09 00:21:19,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:21:19,224 INFO L93 Difference]: Finished difference Result 1974 states and 2313 transitions. [2018-12-09 00:21:19,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 00:21:19,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-12-09 00:21:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:21:19,225 INFO L225 Difference]: With dead ends: 1974 [2018-12-09 00:21:19,225 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:21:19,227 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-12-09 00:21:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:21:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:21:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:21:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:21:19,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-12-09 00:21:19,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:21:19,228 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:21:19,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:21:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:21:19,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:21:19,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:21:19,587 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2018-12-09 00:21:19,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:21:19,708 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a28~0)| ~a28~0) (= |old(~a17~0)| ~a17~0)) [2018-12-09 00:21:19,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:21:19,708 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,708 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 514) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,709 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:21:19,710 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 00:21:19,711 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:21:19,712 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 00:21:19,713 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 00:21:19,714 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 9 |old(~a17~0)|)) (.cse6 (= |old(~a28~0)| ~a28~0)) (.cse7 (= 0 |old(~a28~0)|)) (.cse8 (not (= 0 |old(~a11~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse0 (not (= 1 ~a21~0))) (.cse1 (not (= 1 |old(~a25~0)|))) (.cse11 (not (= 1 |old(~a19~0)|))) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse3 (= 1 ~a25~0)) (.cse2 (= 9 |old(~a28~0)|)) (.cse4 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (and .cse6 (= 1 ~a11~0) (= |old(~a17~0)| ~a17~0)) .cse4 .cse5) (or .cse0 .cse7 .cse8 (and .cse6 (= ~a11~0 0) (= ~a17~0 8)) .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse4 (not (= 7 |old(~a17~0)|))) (or .cse0 .cse11 .cse7 .cse8 .cse9 (= ~a19~0 1) .cse10) (or .cse0 .cse11 .cse7 .cse8 .cse9 .cse10 (= ~a25~0 0) (not (= 0 |old(~a25~0)|))) (or .cse7 (or .cse0 .cse1) .cse8 .cse9 .cse10 .cse3) (or .cse0 .cse1 .cse11 .cse9 (and .cse3 (= 1 ~a19~0)) (not .cse2) .cse4))) [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 00:21:19,715 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 00:21:19,716 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:21:19,717 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 00:21:19,718 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-12-09 00:21:19,718 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (= 7 ~a17~0)) (.cse2 (= ~a11~0 0)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 (not (= ~a28~0 9))) (and .cse2 (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse3) (and .cse0 (= |old(~a17~0)| ~a17~0)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 (= 1 ~a25~0)) (and .cse2 (= ~a25~0 0) .cse3 (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 (not (= ~a28~0 9))) (and (= ~a11~0 0) (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8)) (and .cse0 (= |old(~a17~0)| ~a17~0)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 (= 1 ~a25~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:21:19,718 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 00:21:19,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:21:19 BoogieIcfgContainer [2018-12-09 00:21:19,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:21:19,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:21:19,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:21:19,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:21:19,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:06" (3/4) ... [2018-12-09 00:21:19,727 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:21:19,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:21:19,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 00:21:19,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:21:19,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:21:19,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:21:19,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((1 == a11 && 7 == a17) && !(a28 == 9))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || (1 == a11 && \old(a17) == a17)) || !(0 == \old(a11))) || ((1 == a11 && 7 == a17) && 1 == a25)) || ((((a11 == 0 && a25 == 0) && a17 == 8) && a19 == 1) && a28 == 7)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 00:21:19,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6bc3d8d1-0148-4a76-8314-57e9c7147bf7/bin-2019/utaipan/witness.graphml [2018-12-09 00:21:19,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:21:19,798 INFO L168 Benchmark]: Toolchain (without parser) took 14613.43 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 832.0 MB). Free memory was 948.1 MB in the beginning and 1.4 GB in the end (delta: -461.0 MB). Peak memory consumption was 371.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,798 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:21:19,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,799 INFO L168 Benchmark]: Boogie Preprocessor took 37.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,799 INFO L168 Benchmark]: RCFGBuilder took 579.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,799 INFO L168 Benchmark]: TraceAbstraction took 13597.02 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -419.8 MB). Peak memory consumption was 282.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,799 INFO L168 Benchmark]: Witness Printer took 72.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:19,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 579.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13597.02 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -419.8 MB). Peak memory consumption was 282.3 MB. Max. memory is 11.5 GB. * Witness Printer took 72.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 514]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((1 == a11 && 7 == a17) && !(a28 == 9))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || (1 == a11 && \old(a17) == a17)) || !(0 == \old(a11))) || ((1 == a11 && 7 == a17) && 1 == a25)) || ((((a11 == 0 && a25 == 0) && a17 == 8) && a19 == 1) && a28 == 7)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 13.5s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 9.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 966 SDtfs, 5212 SDslu, 675 SDs, 0 SdLazy, 6526 SolverSat, 1467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1142 GetRequests, 1038 SyntacticMatches, 5 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9974249271147128 AbsIntWeakeningRatio, 0.1721311475409836 AbsIntAvgWeakeningVarsNumRemoved, 26.572131147540983 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 177 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 81 PreInvPairs, 122 NumberOfFragments, 432 HoareAnnotationTreeSize, 81 FomulaSimplifications, 2745 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1459 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1998 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116951 SizeOfPredicates, 1 NumberOfNonLiveVariables, 521 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 800/905 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...