./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_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_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/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 f8826e63977e5204bfb153113fa32b1df4948bea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:19:04,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:19:04,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:19:04,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:19:04,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:19:04,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:19:04,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:19:04,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:19:04,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:19:04,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:19:04,604 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:19:04,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:19:04,605 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:19:04,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:19:04,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:19:04,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:19:04,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:19:04,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:19:04,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:19:04,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:19:04,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:19:04,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:19:04,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:19:04,616 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:19:04,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:19:04,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:19:04,617 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:19:04,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:19:04,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:19:04,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:19:04,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:19:04,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:19:04,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:19:04,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:19:04,621 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:19:04,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:19:04,622 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 12:19:04,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:19:04,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:19:04,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:19:04,631 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 12:19:04,631 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 12:19:04,631 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 12:19:04,631 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 12:19:04,632 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 12:19:04,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:19:04,633 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:19:04,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:19:04,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:19:04,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:19:04,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:19:04,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:19:04,635 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:19:04,635 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:19:04,635 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 12:19:04,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:19:04,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:19:04,635 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:19:04,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:19:04,636 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 12:19:04,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:19:04,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:19:04,636 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 12:19:04,636 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_6020e103-c053-4a9d-afd0-793d81bf8563/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-12-02 12:19:04,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:19:04,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:19:04,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:19:04,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:19:04,670 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:19:04,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-12-02 12:19:04,705 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/data/322f0c5e5/7cd025effdbb4644899e0be625ecda67/FLAG7d8a136b4 [2018-12-02 12:19:05,180 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:19:05,181 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-12-02 12:19:05,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/data/322f0c5e5/7cd025effdbb4644899e0be625ecda67/FLAG7d8a136b4 [2018-12-02 12:19:05,195 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/data/322f0c5e5/7cd025effdbb4644899e0be625ecda67 [2018-12-02 12:19:05,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:19:05,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:19:05,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:19:05,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:19:05,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:19:05,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05, skipping insertion in model container [2018-12-02 12:19:05,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:19:05,229 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:19:05,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:19:05,411 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:19:05,506 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:19:05,515 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:19:05,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05 WrapperNode [2018-12-02 12:19:05,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:19:05,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:19:05,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:19:05,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:19:05,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:19:05,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:19:05,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:19:05,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:19:05,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... [2018-12-02 12:19:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:19:05,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:19:05,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:19:05,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:19:05,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/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 [2018-12-02 12:19:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 12:19:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 12:19:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 12:19:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 12:19:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:19:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 12:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 12:19:06,142 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:19:06,143 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 12:19:06,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:06 BoogieIcfgContainer [2018-12-02 12:19:06,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:19:06,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 12:19:06,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 12:19:06,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 12:19:06,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:19:05" (1/3) ... [2018-12-02 12:19:06,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:19:06, skipping insertion in model container [2018-12-02 12:19:06,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:05" (2/3) ... [2018-12-02 12:19:06,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:19:06, skipping insertion in model container [2018-12-02 12:19:06,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:06" (3/3) ... [2018-12-02 12:19:06,148 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-12-02 12:19:06,154 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 12:19:06,159 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 12:19:06,169 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 12:19:06,189 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 12:19:06,189 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 12:19:06,189 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 12:19:06,189 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:19:06,189 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:19:06,189 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 12:19:06,190 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:19:06,190 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 12:19:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 12:19:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 12:19:06,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:06,211 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:06,212 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:06,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:06,216 INFO L82 PathProgramCache]: Analyzing trace with hash 619051294, now seen corresponding path program 1 times [2018-12-02 12:19:06,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:06,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:06,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:06,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:19:06,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:19:06,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:06,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:19:06,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:19:06,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:19:06,480 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-02 12:19:06,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:06,913 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-02 12:19:06,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:19:06,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-12-02 12:19:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:06,923 INFO L225 Difference]: With dead ends: 615 [2018-12-02 12:19:06,923 INFO L226 Difference]: Without dead ends: 317 [2018-12-02 12:19:06,926 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 [2018-12-02 12:19:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-02 12:19:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-02 12:19:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-02 12:19:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-02 12:19:06,967 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 130 [2018-12-02 12:19:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:06,968 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-02 12:19:06,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:19:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-02 12:19:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 12:19:06,973 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:06,974 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:06,974 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:06,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:06,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1219362173, now seen corresponding path program 1 times [2018-12-02 12:19:06,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:06,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:06,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:06,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:06,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:07,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:19:07,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:19:07,088 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:07,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:19:07,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:19:07,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:19:07,090 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-02 12:19:07,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:07,505 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-02 12:19:07,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 12:19:07,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-12-02 12:19:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:07,509 INFO L225 Difference]: With dead ends: 962 [2018-12-02 12:19:07,509 INFO L226 Difference]: Without dead ends: 651 [2018-12-02 12:19:07,510 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 [2018-12-02 12:19:07,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-02 12:19:07,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-02 12:19:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-02 12:19:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-02 12:19:07,534 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 145 [2018-12-02 12:19:07,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:07,534 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-02 12:19:07,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:19:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-02 12:19:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 12:19:07,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:07,536 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:07,536 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:07,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:07,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1862479560, now seen corresponding path program 1 times [2018-12-02 12:19:07,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:07,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:07,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:07,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:07,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 12:19:07,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:07,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:07,614 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-02 12:19:07,615 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [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], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:07,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:07,640 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:07,871 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 12:19:07,872 INFO L272 AbstractInterpreter]: Visited 131 different actions 131 times. Never merged. Never widened. Performed 1449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-02 12:19:07,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:07,877 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 12:19:08,065 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.17% of their original sizes. [2018-12-02 12:19:08,065 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 12:19:08,093 INFO L418 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-12-02 12:19:08,093 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 12:19:08,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:08,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 12:19:08,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:08,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:19:08,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:19:08,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:19:08,095 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-02 12:19:09,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:09,975 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-02 12:19:09,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:19:09,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-02 12:19:09,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:09,977 INFO L225 Difference]: With dead ends: 1392 [2018-12-02 12:19:09,977 INFO L226 Difference]: Without dead ends: 773 [2018-12-02 12:19:09,978 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:19:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-02 12:19:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-02 12:19:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-02 12:19:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-02 12:19:09,992 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 153 [2018-12-02 12:19:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:09,993 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-02 12:19:09,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:19:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-02 12:19:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 12:19:09,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:09,995 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:09,995 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:09,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:09,995 INFO L82 PathProgramCache]: Analyzing trace with hash 534852343, now seen corresponding path program 1 times [2018-12-02 12:19:09,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:09,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:09,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:09,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:09,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 12:19:10,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:10,090 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:10,090 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-02 12:19:10,090 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [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], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:10,093 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:10,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:10,300 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 12:19:10,300 INFO L272 AbstractInterpreter]: Visited 135 different actions 400 times. Merged at 6 different actions 15 times. Never widened. Performed 4518 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 12:19:10,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:10,302 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 12:19:10,421 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 84.82% of their original sizes. [2018-12-02 12:19:10,421 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 12:19:10,465 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-02 12:19:10,465 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 12:19:10,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:10,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-02 12:19:10,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:10,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 12:19:10,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 12:19:10,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:19:10,466 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-02 12:19:12,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:12,740 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-02 12:19:12,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 12:19:12,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2018-12-02 12:19:12,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:12,743 INFO L225 Difference]: With dead ends: 1858 [2018-12-02 12:19:12,743 INFO L226 Difference]: Without dead ends: 1093 [2018-12-02 12:19:12,744 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-02 12:19:12,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-02 12:19:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-02 12:19:12,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-02 12:19:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-02 12:19:12,761 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 162 [2018-12-02 12:19:12,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:12,761 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-02 12:19:12,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 12:19:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-02 12:19:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 12:19:12,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:12,764 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:12,764 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:12,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:12,764 INFO L82 PathProgramCache]: Analyzing trace with hash -598091737, now seen corresponding path program 1 times [2018-12-02 12:19:12,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:12,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:12,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:12,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:12,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:12,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:12,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:12,824 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-02 12:19:12,825 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [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], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:12,827 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:12,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:12,925 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 12:19:12,925 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 2876 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2876 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 12:19:12,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:12,935 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 12:19:13,068 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 81.15% of their original sizes. [2018-12-02 12:19:13,068 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 12:19:13,115 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-02 12:19:13,115 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 12:19:13,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:13,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 12:19:13,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:13,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 12:19:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 12:19:13,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:19:13,116 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-02 12:19:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:15,152 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-02 12:19:15,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 12:19:15,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2018-12-02 12:19:15,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:15,155 INFO L225 Difference]: With dead ends: 2440 [2018-12-02 12:19:15,156 INFO L226 Difference]: Without dead ends: 1371 [2018-12-02 12:19:15,157 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 12:19:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-02 12:19:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-02 12:19:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-02 12:19:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-02 12:19:15,184 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 161 [2018-12-02 12:19:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:15,185 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-02 12:19:15,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 12:19:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-02 12:19:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 12:19:15,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:15,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:15,187 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:15,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1368930657, now seen corresponding path program 1 times [2018-12-02 12:19:15,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:15,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:15,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:19:15,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:15,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:15,404 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-02 12:19:15,404 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], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:15,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:15,406 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:15,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 12:19:15,566 INFO L272 AbstractInterpreter]: Visited 135 different actions 398 times. Merged at 6 different actions 15 times. Never widened. Performed 4736 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4736 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 12:19:15,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:15,568 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 12:19:15,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:15,568 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/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 [2018-12-02 12:19:15,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:15,575 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 12:19:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:15,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:19:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 12:19:15,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 12:19:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 12:19:15,763 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:15,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-12-02 12:19:15,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:15,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:19:15,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:19:15,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 12:19:15,764 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-02 12:19:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:16,047 INFO L93 Difference]: Finished difference Result 3313 states and 4537 transitions. [2018-12-02 12:19:16,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:19:16,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2018-12-02 12:19:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:16,053 INFO L225 Difference]: With dead ends: 3313 [2018-12-02 12:19:16,053 INFO L226 Difference]: Without dead ends: 1951 [2018-12-02 12:19:16,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 329 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 12:19:16,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2018-12-02 12:19:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1948. [2018-12-02 12:19:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2018-12-02 12:19:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2625 transitions. [2018-12-02 12:19:16,087 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2625 transitions. Word has length 165 [2018-12-02 12:19:16,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:16,087 INFO L480 AbstractCegarLoop]: Abstraction has 1948 states and 2625 transitions. [2018-12-02 12:19:16,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:19:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2625 transitions. [2018-12-02 12:19:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 12:19:16,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:16,090 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:16,090 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:16,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:16,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2109202102, now seen corresponding path program 1 times [2018-12-02 12:19:16,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:16,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:16,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:16,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:16,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 12:19:16,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:16,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:16,159 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-12-02 12:19:16,159 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [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], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:16,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:16,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:16,326 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 12:19:16,326 INFO L272 AbstractInterpreter]: Visited 136 different actions 409 times. Merged at 7 different actions 23 times. Widened at 1 different actions 1 times. Performed 4769 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 12:19:16,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:16,328 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 12:19:16,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:16,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 12:19:16,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:16,335 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 12:19:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:16,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:19:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 12:19:16,410 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 12:19:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 12:19:16,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 12:19:16,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 12:19:16,464 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 12:19:16,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 12:19:16,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 12:19:16,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-02 12:19:16,465 INFO L87 Difference]: Start difference. First operand 1948 states and 2625 transitions. Second operand 9 states. [2018-12-02 12:19:18,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:18,410 INFO L93 Difference]: Finished difference Result 6130 states and 8605 transitions. [2018-12-02 12:19:18,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-02 12:19:18,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2018-12-02 12:19:18,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:18,420 INFO L225 Difference]: With dead ends: 6130 [2018-12-02 12:19:18,420 INFO L226 Difference]: Without dead ends: 3113 [2018-12-02 12:19:18,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-12-02 12:19:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2018-12-02 12:19:18,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2759. [2018-12-02 12:19:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2759 states. [2018-12-02 12:19:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3373 transitions. [2018-12-02 12:19:18,466 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3373 transitions. Word has length 193 [2018-12-02 12:19:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:18,466 INFO L480 AbstractCegarLoop]: Abstraction has 2759 states and 3373 transitions. [2018-12-02 12:19:18,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 12:19:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3373 transitions. [2018-12-02 12:19:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 12:19:18,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:18,471 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 12:19:18,471 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:18,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:18,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1611054199, now seen corresponding path program 1 times [2018-12-02 12:19:18,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:18,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:18,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:18,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:18,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 140 proven. 77 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 12:19:18,569 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:18,569 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:18,569 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-02 12:19:18,569 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [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], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:18,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:18,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:18,730 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 12:19:18,731 INFO L272 AbstractInterpreter]: Visited 138 different actions 407 times. Merged at 7 different actions 17 times. Never widened. Performed 4639 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4639 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 12:19:18,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:18,734 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 12:19:18,930 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 85.05% of their original sizes. [2018-12-02 12:19:18,930 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 12:19:19,133 INFO L418 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-12-02 12:19:19,134 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 12:19:19,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:19,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-12-02 12:19:19,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:19,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 12:19:19,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 12:19:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-12-02 12:19:19,135 INFO L87 Difference]: Start difference. First operand 2759 states and 3373 transitions. Second operand 20 states. [2018-12-02 12:19:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:32,791 INFO L93 Difference]: Finished difference Result 7525 states and 9441 transitions. [2018-12-02 12:19:32,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-02 12:19:32,791 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 277 [2018-12-02 12:19:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:32,798 INFO L225 Difference]: With dead ends: 7525 [2018-12-02 12:19:32,798 INFO L226 Difference]: Without dead ends: 5065 [2018-12-02 12:19:32,800 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=648, Invalid=3012, Unknown=0, NotChecked=0, Total=3660 [2018-12-02 12:19:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5065 states. [2018-12-02 12:19:32,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5065 to 5015. [2018-12-02 12:19:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5015 states. [2018-12-02 12:19:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 5953 transitions. [2018-12-02 12:19:32,854 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 5953 transitions. Word has length 277 [2018-12-02 12:19:32,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:32,854 INFO L480 AbstractCegarLoop]: Abstraction has 5015 states and 5953 transitions. [2018-12-02 12:19:32,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 12:19:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 5953 transitions. [2018-12-02 12:19:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 12:19:32,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:19:32,859 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:19:32,859 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:19:32,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:32,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2065590894, now seen corresponding path program 1 times [2018-12-02 12:19:32,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:19:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:32,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:19:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:19:32,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:19:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:19:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 154 proven. 20 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 12:19:32,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:19:32,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:19:32,936 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-12-02 12:19:32,936 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [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], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 12:19:32,937 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:19:32,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:19:33,154 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 12:19:33,154 INFO L272 AbstractInterpreter]: Visited 139 different actions 548 times. Merged at 8 different actions 28 times. Never widened. Performed 6389 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-02 12:19:33,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:19:33,155 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 12:19:33,358 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 87.32% of their original sizes. [2018-12-02 12:19:33,358 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 12:19:33,503 INFO L418 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-12-02 12:19:33,503 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 12:19:33,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:19:33,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [5] total 22 [2018-12-02 12:19:33,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:19:33,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 12:19:33,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 12:19:33,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-12-02 12:19:33,504 INFO L87 Difference]: Start difference. First operand 5015 states and 5953 transitions. Second operand 19 states. [2018-12-02 12:19:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:19:43,744 INFO L93 Difference]: Finished difference Result 11338 states and 13737 transitions. [2018-12-02 12:19:43,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-02 12:19:43,744 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 285 [2018-12-02 12:19:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:19:43,745 INFO L225 Difference]: With dead ends: 11338 [2018-12-02 12:19:43,745 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 12:19:43,752 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 318 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=477, Invalid=2279, Unknown=0, NotChecked=0, Total=2756 [2018-12-02 12:19:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 12:19:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 12:19:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 12:19:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 12:19:43,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2018-12-02 12:19:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:19:43,752 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:19:43,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 12:19:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 12:19:43,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:19:43,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 12:19:43,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:43,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,077 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 179 [2018-12-02 12:19:44,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:19:44,182 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 152 [2018-12-02 12:19:44,351 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-12-02 12:19:45,003 WARN L180 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 79 [2018-12-02 12:19:45,349 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 101 [2018-12-02 12:19:45,642 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 93 [2018-12-02 12:19:45,643 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 12:19:45,644 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,645 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 12:19:45,646 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 12:19:45,647 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 12:19:45,648 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,649 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,650 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= |old(~a19~0)| ~a19~0)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse9 (not (= ~a28~0 0))) (.cse10 (<= ~a28~0 10)) (.cse12 (= ~a17~0 8)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse11 (= ~a19~0 1)) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse18 (not (= 7 |old(~a28~0)|))) (.cse15 (= ~a28~0 7)) (.cse23 (= ~a28~0 8)) (.cse22 (not (= 8 |old(~a28~0)|))) (.cse17 (not (= 0 |old(~a25~0)|))) (.cse4 (= |old(~a11~0)| |old(~a19~0)|)) (.cse21 (< 7 |old(~a17~0)|)) (.cse19 (<= ~a17~0 |old(~a17~0)|)) (.cse0 (< 10 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a25~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse3 (and .cse20 .cse8 .cse9 .cse10 .cse12 .cse13)) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or .cse0 .cse1 .cse7 .cse2) .cse5 .cse6 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)) (or .cse1 .cse14 .cse7 .cse2 .cse4 .cse5 (and .cse8 .cse9 .cse12 .cse11 .cse13) .cse6) (or (or (= ~a28~0 10) .cse15) (let ((.cse16 (not (= 0 |old(~a11~0)|)))) (and (or .cse1 (not (= 10 |old(~a28~0)|)) .cse16 .cse17) (or .cse1 .cse18 .cse16 .cse17))) .cse6 .cse7 .cse5) (or (and .cse19 .cse20 .cse8 .cse10 .cse13) .cse0 .cse21) (or (and (or .cse1 .cse18) (or .cse1 .cse22)) .cse5 .cse6 (and .cse20 .cse8 (or .cse23 .cse15) .cse12 .cse13)) (or .cse1 .cse23 .cse22 .cse5 .cse6 .cse17) (or .cse14 .cse4 .cse21 (and .cse19 .cse20 .cse8 .cse13)) (or .cse0 .cse1 .cse14 .cse2 .cse5 .cse3 .cse6)))) [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 12:19:45,651 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 12:19:45,652 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 12:19:45,653 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-12-02 12:19:45,654 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:19:45,654 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-12-02 12:19:45,654 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a28~0 7))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (and (<= ~a17~0 |old(~a17~0)|) .cse1 .cse2) .cse3) (and .cse0 .cse3 .cse4 .cse5 .cse2 .cse6) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse3 .cse1 .cse5 .cse6) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 (or .cse7 (= ~a28~0 8)) .cse5) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse3 .cse4 .cse1 .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and (<= ~a17~0 7) .cse1) (and (= (+ main_~output~0 1) 0) (= ~a11~0 0) .cse2 .cse5 .cse7 (= ~a25~0 |old(~a25~0)|)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-12-02 12:19:45,654 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 12:19:45,655 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 12:19:45,655 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a19~0 1)) (.cse6 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse5 (= 1 ~a25~0)) (.cse4 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse1 .cse5 .cse4 .cse3 .cse6) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 21 ~u~0)) (and .cse0 (or (= ~a28~0 7) (= ~a28~0 8)) .cse4) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and (<= ~a17~0 7) .cse2) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-12-02 12:19:45,655 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 12:19:45,655 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 12:19:45,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:19:45 BoogieIcfgContainer [2018-12-02 12:19:45,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 12:19:45,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:19:45,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:19:45,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:19:45,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:06" (3/4) ... [2018-12-02 12:19:45,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:19:45,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 12:19:45,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 12:19:45,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 12:19:45,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 12:19:45,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 12:19:45,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(a21 == 1) || !(y == 25)) || ((!(input == 0) && (a17 <= \old(a17) && a28 <= 10) && a19 == 1) && !(a28 == 0))) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(21 == u)) || !(22 == v)) || ((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || (a17 <= 7 && a28 <= 10)) || (((((output + 1 == 0 && a11 == 0) && a19 == 1) && a17 == 8) && a28 == 7) && a25 == \old(a25))) || !(\old(a17) == 8)) || !(6 == f) [2018-12-02 12:19:45,752 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6020e103-c053-4a9d-afd0-793d81bf8563/bin-2019/utaipan/witness.graphml [2018-12-02 12:19:45,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:19:45,753 INFO L168 Benchmark]: Toolchain (without parser) took 40555.35 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 942.7 MB in the beginning and 1.6 GB in the end (delta: -636.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,753 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 12:19:45,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.91 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,754 INFO L168 Benchmark]: Boogie Preprocessor took 36.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,754 INFO L168 Benchmark]: RCFGBuilder took 570.65 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,754 INFO L168 Benchmark]: TraceAbstraction took 39521.69 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -586.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,754 INFO L168 Benchmark]: Witness Printer took 86.74 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:19:45,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.91 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 570.65 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39521.69 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -586.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 86.74 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: ((((((((((((((((((((((!(a21 == 1) || !(y == 25)) || ((!(input == 0) && (a17 <= \old(a17) && a28 <= 10) && a19 == 1) && !(a28 == 0))) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(21 == u)) || !(22 == v)) || ((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || (a17 <= 7 && a28 <= 10)) || (((((output + 1 == 0 && a11 == 0) && a19 == 1) && a17 == 8) && a28 == 7) && a25 == \old(a25))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 39.4s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 33.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 732 SDtfs, 7656 SDslu, 827 SDs, 0 SdLazy, 15033 SolverSat, 2078 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1926 GetRequests, 1717 SyntacticMatches, 8 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2147 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5015occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9967949918044973 AbsIntWeakeningRatio, 0.20038722168441434 AbsIntAvgWeakeningVarsNumRemoved, 25.406582768635044 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 456 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 149 PreInvPairs, 275 NumberOfFragments, 856 HoareAnnotationTreeSize, 149 FomulaSimplifications, 23652 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13880 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2029 NumberOfCodeBlocks, 2029 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2374 ConstructedInterpolants, 0 QuantifiedInterpolants, 986440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 896/1055 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...