./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label27_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label27_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/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 1b208146e3ece6d9a53f019c6a3409aa215a7853 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:46:09,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:46:09,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:46:09,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:46:09,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:46:09,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:46:09,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:46:09,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:46:09,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:46:09,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:46:09,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:46:09,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:46:09,664 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:46:09,665 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:46:09,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:46:09,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:46:09,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:46:09,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:46:09,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:46:09,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:46:09,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:46:09,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:46:09,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:46:09,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:46:09,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:46:09,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:46:09,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:46:09,677 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:46:09,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:46:09,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:46:09,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:46:09,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:46:09,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:46:09,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:46:09,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:46:09,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:46:09,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:46:09,691 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:46:09,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:46:09,692 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:46:09,693 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:46:09,693 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:46:09,693 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:46:09,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:46:09,693 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:46:09,693 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:46:09,694 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:46:09,694 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:46:09,694 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:46:09,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:46:09,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:46:09,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:46:09,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:46:09,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:46:09,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:46:09,696 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:46:09,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:46:09,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:46:09,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:46:09,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:46:09,699 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:46:09,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:46:09,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:46:09,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:46:09,700 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_45a95122-2922-4aca-b757-ff09777ce8bd/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 -> 1b208146e3ece6d9a53f019c6a3409aa215a7853 [2018-11-18 13:46:09,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:46:09,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:46:09,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:46:09,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:46:09,745 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:46:09,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label27_true-unreach-call.c [2018-11-18 13:46:09,795 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/data/e68e092db/ba12b5143bfc49e1adeb387f998c8086/FLAG30c6c26a6 [2018-11-18 13:46:10,274 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:46:10,274 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/sv-benchmarks/c/eca-rers2012/Problem11_label27_true-unreach-call.c [2018-11-18 13:46:10,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/data/e68e092db/ba12b5143bfc49e1adeb387f998c8086/FLAG30c6c26a6 [2018-11-18 13:46:10,585 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/data/e68e092db/ba12b5143bfc49e1adeb387f998c8086 [2018-11-18 13:46:10,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:46:10,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:46:10,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:10,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:46:10,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:46:10,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:10" (1/1) ... [2018-11-18 13:46:10,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ecc63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:10, skipping insertion in model container [2018-11-18 13:46:10,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:10" (1/1) ... [2018-11-18 13:46:10,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:46:10,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:46:11,165 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:11,170 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:46:11,327 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:11,348 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:46:11,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11 WrapperNode [2018-11-18 13:46:11,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:11,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:46:11,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:46:11,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:46:11,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:46:11,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:46:11,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:46:11,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:46:11,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... [2018-11-18 13:46:11,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:46:11,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:46:11,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:46:11,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:46:11,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:46:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:46:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:46:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:46:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:46:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:46:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:46:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:46:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:46:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:46:13,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:46:13,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:13 BoogieIcfgContainer [2018-11-18 13:46:13,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:46:13,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:46:13,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:46:13,483 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:46:13,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:46:10" (1/3) ... [2018-11-18 13:46:13,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cda34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:13, skipping insertion in model container [2018-11-18 13:46:13,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:11" (2/3) ... [2018-11-18 13:46:13,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cda34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:13, skipping insertion in model container [2018-11-18 13:46:13,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:13" (3/3) ... [2018-11-18 13:46:13,486 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label27_true-unreach-call.c [2018-11-18 13:46:13,493 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:46:13,499 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:46:13,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:46:13,544 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:46:13,544 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:46:13,544 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:46:13,544 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:46:13,544 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:46:13,545 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:46:13,545 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:46:13,545 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:46:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 13:46:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:46:13,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:13,581 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:13,583 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:13,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:13,589 INFO L82 PathProgramCache]: Analyzing trace with hash 266493369, now seen corresponding path program 1 times [2018-11-18 13:46:13,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:13,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:13,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:13,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:13,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:13,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:13,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:46:13,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:13,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:46:13,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:46:13,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:13,938 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-18 13:46:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:15,441 INFO L93 Difference]: Finished difference Result 996 states and 1776 transitions. [2018-11-18 13:46:15,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:46:15,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-11-18 13:46:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:15,453 INFO L225 Difference]: With dead ends: 996 [2018-11-18 13:46:15,454 INFO L226 Difference]: Without dead ends: 697 [2018-11-18 13:46:15,459 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-11-18 13:46:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 481. [2018-11-18 13:46:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-11-18 13:46:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 742 transitions. [2018-11-18 13:46:15,518 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 742 transitions. Word has length 49 [2018-11-18 13:46:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:15,519 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 742 transitions. [2018-11-18 13:46:15,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:46:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 742 transitions. [2018-11-18 13:46:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 13:46:15,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:15,524 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:15,524 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:15,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:15,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1615287979, now seen corresponding path program 1 times [2018-11-18 13:46:15,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:15,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:15,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:15,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:15,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:15,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:15,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:46:15,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:15,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:46:15,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:46:15,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:46:15,743 INFO L87 Difference]: Start difference. First operand 481 states and 742 transitions. Second operand 6 states. [2018-11-18 13:46:17,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:17,762 INFO L93 Difference]: Finished difference Result 1725 states and 2777 transitions. [2018-11-18 13:46:17,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:46:17,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-11-18 13:46:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:17,774 INFO L225 Difference]: With dead ends: 1725 [2018-11-18 13:46:17,774 INFO L226 Difference]: Without dead ends: 1250 [2018-11-18 13:46:17,779 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:46:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2018-11-18 13:46:17,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1231. [2018-11-18 13:46:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2018-11-18 13:46:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1812 transitions. [2018-11-18 13:46:17,856 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1812 transitions. Word has length 122 [2018-11-18 13:46:17,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:17,858 INFO L480 AbstractCegarLoop]: Abstraction has 1231 states and 1812 transitions. [2018-11-18 13:46:17,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:46:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1812 transitions. [2018-11-18 13:46:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 13:46:17,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:17,867 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:17,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:17,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:17,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1254054036, now seen corresponding path program 1 times [2018-11-18 13:46:17,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:17,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:17,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:17,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:17,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:18,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:18,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:46:18,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:18,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:46:18,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:46:18,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:18,092 INFO L87 Difference]: Start difference. First operand 1231 states and 1812 transitions. Second operand 4 states. [2018-11-18 13:46:19,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:19,212 INFO L93 Difference]: Finished difference Result 3241 states and 4920 transitions. [2018-11-18 13:46:19,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:46:19,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2018-11-18 13:46:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:19,222 INFO L225 Difference]: With dead ends: 3241 [2018-11-18 13:46:19,222 INFO L226 Difference]: Without dead ends: 2016 [2018-11-18 13:46:19,228 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:46:19,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2018-11-18 13:46:19,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 2001. [2018-11-18 13:46:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2018-11-18 13:46:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2887 transitions. [2018-11-18 13:46:19,276 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2887 transitions. Word has length 123 [2018-11-18 13:46:19,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:19,276 INFO L480 AbstractCegarLoop]: Abstraction has 2001 states and 2887 transitions. [2018-11-18 13:46:19,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:46:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2887 transitions. [2018-11-18 13:46:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 13:46:19,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:19,280 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:19,280 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:19,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:19,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1858238712, now seen corresponding path program 1 times [2018-11-18 13:46:19,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:19,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:19,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:19,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:19,282 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:19,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:19,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:46:19,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:19,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:46:19,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:46:19,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:46:19,404 INFO L87 Difference]: Start difference. First operand 2001 states and 2887 transitions. Second operand 5 states. [2018-11-18 13:46:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:20,804 INFO L93 Difference]: Finished difference Result 6976 states and 10596 transitions. [2018-11-18 13:46:20,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:46:20,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-11-18 13:46:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:20,830 INFO L225 Difference]: With dead ends: 6976 [2018-11-18 13:46:20,830 INFO L226 Difference]: Without dead ends: 4981 [2018-11-18 13:46:20,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:46:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2018-11-18 13:46:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 4688. [2018-11-18 13:46:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4688 states. [2018-11-18 13:46:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6352 transitions. [2018-11-18 13:46:20,980 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6352 transitions. Word has length 125 [2018-11-18 13:46:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:20,981 INFO L480 AbstractCegarLoop]: Abstraction has 4688 states and 6352 transitions. [2018-11-18 13:46:20,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:46:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6352 transitions. [2018-11-18 13:46:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 13:46:20,985 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:20,985 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:20,985 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:20,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:20,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1707184253, now seen corresponding path program 1 times [2018-11-18 13:46:20,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:20,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:20,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:20,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:20,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:21,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:21,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:21,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-18 13:46:21,147 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:21,182 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:21,182 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:46:21,817 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:46:21,818 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Performed 5621 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5621 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 13:46:21,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:21,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:46:21,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:21,834 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:46:21,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:21,848 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:46:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:21,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:21,952 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:46:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:22,081 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:46:22,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 13:46:22,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:22,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:46:22,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:46:22,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:46:22,083 INFO L87 Difference]: Start difference. First operand 4688 states and 6352 transitions. Second operand 3 states. [2018-11-18 13:46:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:23,138 INFO L93 Difference]: Finished difference Result 10738 states and 15063 transitions. [2018-11-18 13:46:23,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:46:23,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-11-18 13:46:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:23,159 INFO L225 Difference]: With dead ends: 10738 [2018-11-18 13:46:23,159 INFO L226 Difference]: Without dead ends: 6056 [2018-11-18 13:46:23,182 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:46:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2018-11-18 13:46:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 5860. [2018-11-18 13:46:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5860 states. [2018-11-18 13:46:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5860 states to 5860 states and 7955 transitions. [2018-11-18 13:46:23,308 INFO L78 Accepts]: Start accepts. Automaton has 5860 states and 7955 transitions. Word has length 181 [2018-11-18 13:46:23,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:23,309 INFO L480 AbstractCegarLoop]: Abstraction has 5860 states and 7955 transitions. [2018-11-18 13:46:23,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:46:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5860 states and 7955 transitions. [2018-11-18 13:46:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 13:46:23,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:23,316 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:23,317 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:23,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1205214562, now seen corresponding path program 1 times [2018-11-18 13:46:23,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:23,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:23,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:23,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:23,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:23,450 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 13:46:23,451 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:23,453 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:23,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:46:23,541 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:46:23,541 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Performed 970 root evaluator evaluations with a maximum evaluation depth of 3. Performed 970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 13:46:23,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,543 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:46:23,895 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 73.57% of their original sizes. [2018-11-18 13:46:23,895 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:46:23,949 INFO L415 sIntCurrentIteration]: We unified 207 AI predicates to 207 [2018-11-18 13:46:23,950 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:46:23,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:46:23,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 13:46:23,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:23,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:46:23,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:46:23,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:46:23,952 INFO L87 Difference]: Start difference. First operand 5860 states and 7955 transitions. Second operand 6 states. [2018-11-18 13:46:40,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:40,952 INFO L93 Difference]: Finished difference Result 11906 states and 16123 transitions. [2018-11-18 13:46:40,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:46:40,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 208 [2018-11-18 13:46:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:40,967 INFO L225 Difference]: With dead ends: 11906 [2018-11-18 13:46:40,967 INFO L226 Difference]: Without dead ends: 6052 [2018-11-18 13:46:40,974 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 208 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:46:40,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2018-11-18 13:46:41,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 6050. [2018-11-18 13:46:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6050 states. [2018-11-18 13:46:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6050 states to 6050 states and 8156 transitions. [2018-11-18 13:46:41,072 INFO L78 Accepts]: Start accepts. Automaton has 6050 states and 8156 transitions. Word has length 208 [2018-11-18 13:46:41,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:41,072 INFO L480 AbstractCegarLoop]: Abstraction has 6050 states and 8156 transitions. [2018-11-18 13:46:41,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:46:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6050 states and 8156 transitions. [2018-11-18 13:46:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-18 13:46:41,085 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:41,086 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 13:46:41,086 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:41,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:41,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1377061562, now seen corresponding path program 1 times [2018-11-18 13:46:41,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:41,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:41,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:41,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:41,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:46:41,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:41,290 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:41,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 326 with the following transitions: [2018-11-18 13:46:41,290 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:41,294 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:41,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:46:41,718 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:46:41,719 INFO L272 AbstractInterpreter]: Visited 127 different actions 378 times. Merged at 7 different actions 21 times. Never widened. Performed 4964 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 13:46:41,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:41,729 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:46:41,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:41,729 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:46:41,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:41,741 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:46:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:41,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 13:46:41,875 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:46:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 13:46:41,951 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:46:41,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 13:46:41,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:41,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:46:41,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:46:41,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:46:41,952 INFO L87 Difference]: Start difference. First operand 6050 states and 8156 transitions. Second operand 3 states. [2018-11-18 13:46:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:42,601 INFO L93 Difference]: Finished difference Result 15580 states and 21843 transitions. [2018-11-18 13:46:42,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:46:42,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2018-11-18 13:46:42,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:42,630 INFO L225 Difference]: With dead ends: 15580 [2018-11-18 13:46:42,630 INFO L226 Difference]: Without dead ends: 9726 [2018-11-18 13:46:42,647 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 649 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:46:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9726 states. [2018-11-18 13:46:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9726 to 9725. [2018-11-18 13:46:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9725 states. [2018-11-18 13:46:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9725 states to 9725 states and 12822 transitions. [2018-11-18 13:46:42,804 INFO L78 Accepts]: Start accepts. Automaton has 9725 states and 12822 transitions. Word has length 325 [2018-11-18 13:46:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:42,804 INFO L480 AbstractCegarLoop]: Abstraction has 9725 states and 12822 transitions. [2018-11-18 13:46:42,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:46:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 9725 states and 12822 transitions. [2018-11-18 13:46:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-18 13:46:42,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:42,824 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 13:46:42,824 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:42,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:42,824 INFO L82 PathProgramCache]: Analyzing trace with hash 852578062, now seen corresponding path program 1 times [2018-11-18 13:46:42,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:42,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:42,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:42,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:42,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-18 13:46:42,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:42,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:46:42,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:46:42,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:46:42,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:46:42,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:46:42,991 INFO L87 Difference]: Start difference. First operand 9725 states and 12822 transitions. Second operand 3 states. [2018-11-18 13:46:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:43,831 INFO L93 Difference]: Finished difference Result 23068 states and 31771 transitions. [2018-11-18 13:46:43,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:46:43,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2018-11-18 13:46:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:43,858 INFO L225 Difference]: With dead ends: 23068 [2018-11-18 13:46:43,859 INFO L226 Difference]: Without dead ends: 13539 [2018-11-18 13:46:43,878 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:46:43,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states. [2018-11-18 13:46:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 13338. [2018-11-18 13:46:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13338 states. [2018-11-18 13:46:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 17546 transitions. [2018-11-18 13:46:44,018 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 17546 transitions. Word has length 329 [2018-11-18 13:46:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:44,018 INFO L480 AbstractCegarLoop]: Abstraction has 13338 states and 17546 transitions. [2018-11-18 13:46:44,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:46:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 17546 transitions. [2018-11-18 13:46:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-18 13:46:44,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:44,035 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:46:44,035 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:44,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:44,035 INFO L82 PathProgramCache]: Analyzing trace with hash 987900011, now seen corresponding path program 1 times [2018-11-18 13:46:44,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:44,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:44,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:44,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:44,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:44,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:44,533 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:44,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 334 with the following transitions: [2018-11-18 13:46:44,533 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:44,538 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:44,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:46:47,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:46:47,547 INFO L272 AbstractInterpreter]: Visited 176 different actions 518 times. Merged at 7 different actions 14 times. Never widened. Performed 7178 root evaluator evaluations with a maximum evaluation depth of 23. Performed 7178 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 13:46:47,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:47,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:46:47,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:47,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:46:47,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:47,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:46:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:47,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:48,175 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:46:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:48,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:46:48,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 8] total 22 [2018-11-18 13:46:48,611 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:46:48,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 13:46:48,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 13:46:48,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:46:48,612 INFO L87 Difference]: Start difference. First operand 13338 states and 17546 transitions. Second operand 17 states. [2018-11-18 13:46:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:52,806 INFO L93 Difference]: Finished difference Result 28984 states and 39103 transitions. [2018-11-18 13:46:52,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-18 13:46:52,807 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 333 [2018-11-18 13:46:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:52,837 INFO L225 Difference]: With dead ends: 28984 [2018-11-18 13:46:52,837 INFO L226 Difference]: Without dead ends: 15842 [2018-11-18 13:46:52,867 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 662 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=523, Invalid=1547, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 13:46:52,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15842 states. [2018-11-18 13:46:53,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15842 to 15747. [2018-11-18 13:46:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15747 states. [2018-11-18 13:46:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15747 states to 15747 states and 20094 transitions. [2018-11-18 13:46:53,069 INFO L78 Accepts]: Start accepts. Automaton has 15747 states and 20094 transitions. Word has length 333 [2018-11-18 13:46:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:53,069 INFO L480 AbstractCegarLoop]: Abstraction has 15747 states and 20094 transitions. [2018-11-18 13:46:53,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 13:46:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 15747 states and 20094 transitions. [2018-11-18 13:46:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 13:46:53,101 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:53,101 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:53,101 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:53,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:53,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1952804260, now seen corresponding path program 1 times [2018-11-18 13:46:53,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:53,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:53,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:53,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:53,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:46:53,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:53,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:53,340 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-11-18 13:46:53,341 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [738], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:53,343 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:53,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:46:53,729 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:46:53,729 INFO L272 AbstractInterpreter]: Visited 134 different actions 399 times. Merged at 7 different actions 21 times. Never widened. Performed 5340 root evaluator evaluations with a maximum evaluation depth of 16. Performed 5340 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 13:46:53,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:53,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:46:53,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:53,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:46:53,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:53,738 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:46:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:53,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:46:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:46:53,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:46:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:46:53,983 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:46:53,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 13:46:53,984 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:46:53,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:46:53,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:46:53,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:46:53,985 INFO L87 Difference]: Start difference. First operand 15747 states and 20094 transitions. Second operand 7 states. [2018-11-18 13:46:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:54,750 INFO L93 Difference]: Finished difference Result 30811 states and 40663 transitions. [2018-11-18 13:46:54,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:46:54,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2018-11-18 13:46:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:46:54,781 INFO L225 Difference]: With dead ends: 30811 [2018-11-18 13:46:54,781 INFO L226 Difference]: Without dead ends: 15260 [2018-11-18 13:46:54,805 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 730 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:46:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15260 states. [2018-11-18 13:46:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15260 to 15096. [2018-11-18 13:46:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15096 states. [2018-11-18 13:46:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15096 states to 15096 states and 17736 transitions. [2018-11-18 13:46:54,950 INFO L78 Accepts]: Start accepts. Automaton has 15096 states and 17736 transitions. Word has length 365 [2018-11-18 13:46:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:46:54,950 INFO L480 AbstractCegarLoop]: Abstraction has 15096 states and 17736 transitions. [2018-11-18 13:46:54,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:46:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 15096 states and 17736 transitions. [2018-11-18 13:46:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-11-18 13:46:54,964 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:46:54,964 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:46:54,965 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:46:54,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:54,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1795217206, now seen corresponding path program 1 times [2018-11-18 13:46:54,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:46:54,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:54,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:54,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:54,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:46:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 5 proven. 86 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-11-18 13:46:55,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:46:55,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:46:55,159 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 365 with the following transitions: [2018-11-18 13:46:55,159 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 13:46:55,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:46:55,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:47:01,123 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:47:01,123 INFO L272 AbstractInterpreter]: Visited 176 different actions 519 times. Merged at 7 different actions 15 times. Never widened. Performed 7278 root evaluator evaluations with a maximum evaluation depth of 23. Performed 7278 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 13:47:01,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:47:01,124 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:47:01,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:47:01,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:47:01,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:47:01,130 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:47:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:47:01,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:47:07,200 WARN L180 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2018-11-18 13:47:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 5 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:07,282 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:47:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:47:07,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:47:07,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 6] total 15 [2018-11-18 13:47:07,440 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:47:07,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 13:47:07,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 13:47:07,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=153, Unknown=1, NotChecked=0, Total=210 [2018-11-18 13:47:07,441 INFO L87 Difference]: Start difference. First operand 15096 states and 17736 transitions. Second operand 12 states. [2018-11-18 13:49:56,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:56,010 INFO L93 Difference]: Finished difference Result 51944 states and 65209 transitions. [2018-11-18 13:49:56,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 13:49:56,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 364 [2018-11-18 13:49:56,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:49:56,093 INFO L225 Difference]: With dead ends: 51944 [2018-11-18 13:49:56,093 INFO L226 Difference]: Without dead ends: 37043 [2018-11-18 13:49:56,123 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 723 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=292, Invalid=753, Unknown=11, NotChecked=0, Total=1056 [2018-11-18 13:49:56,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37043 states. [2018-11-18 13:49:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37043 to 36685. [2018-11-18 13:49:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36685 states. [2018-11-18 13:49:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36685 states to 36685 states and 46314 transitions. [2018-11-18 13:49:56,576 INFO L78 Accepts]: Start accepts. Automaton has 36685 states and 46314 transitions. Word has length 364 [2018-11-18 13:49:56,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:49:56,576 INFO L480 AbstractCegarLoop]: Abstraction has 36685 states and 46314 transitions. [2018-11-18 13:49:56,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 13:49:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36685 states and 46314 transitions. [2018-11-18 13:49:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-18 13:49:56,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:49:56,611 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 13:49:56,611 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:49:56,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:56,611 INFO L82 PathProgramCache]: Analyzing trace with hash -664181589, now seen corresponding path program 1 times [2018-11-18 13:49:56,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:49:56,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:56,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:56,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:56,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:49:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-18 13:49:56,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:56,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:49:56,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:49:56,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:49:56,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:49:56,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:49:56,731 INFO L87 Difference]: Start difference. First operand 36685 states and 46314 transitions. Second operand 4 states. [2018-11-18 13:49:57,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:57,851 INFO L93 Difference]: Finished difference Result 79833 states and 107116 transitions. [2018-11-18 13:49:57,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:49:57,851 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 378 [2018-11-18 13:49:57,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:49:57,852 INFO L225 Difference]: With dead ends: 79833 [2018-11-18 13:49:57,852 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:49:57,998 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:49:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:49:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:49:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:49:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:49:57,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2018-11-18 13:49:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:49:57,999 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:49:57,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:49:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:49:57,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:49:58,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:49:58,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:58,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,010 WARN L180 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 197 [2018-11-18 13:49:59,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:49:59,445 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 197 [2018-11-18 13:50:00,249 WARN L180 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 48 [2018-11-18 13:50:00,550 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 50 [2018-11-18 13:50:00,839 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 50 [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,840 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,841 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 13:50:00,842 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 13:50:00,843 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 13:50:00,844 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,845 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse2 (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse3 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 (<= |old(~a23~0)| 138) .cse3) (or .cse2 .cse0 .cse1 (= 12 |old(~a25~0)|) .cse3) (or .cse0 .cse1 .cse2 (< 0 |old(~a4~0)|)) (or .cse0 .cse1 (< 0 (+ |old(~a23~0)| 43)) .cse2 (< 140 |old(~a29~0)|) .cse3) (or .cse0 .cse1 .cse2 (< 0 (+ |old(~a29~0)| 22)) .cse3))) [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 13:50:00,846 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,847 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 13:50:00,848 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 13:50:00,849 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,850 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,851 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 13:50:00,852 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 13:50:00,853 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,854 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,855 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,856 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 13:50:00,857 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 140) .cse0 (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (< |old(~a29~0)| 130) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (not (= 12 ~a25~0)) .cse0) (and (<= (+ ~a29~0 22) 0) .cse0) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse0 (< 138 ~a23~0)))) [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 13:50:00,857 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 140) .cse0 (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (< |old(~a29~0)| 130) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (not (= 12 ~a25~0)) .cse0) (and (<= (+ ~a29~0 22) 0) .cse0) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse0 (< 138 ~a23~0)))) [2018-11-18 13:50:00,857 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 13:50:00,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:50:00 BoogieIcfgContainer [2018-11-18 13:50:00,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:50:00,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:50:00,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:50:00,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:50:00,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:13" (3/4) ... [2018-11-18 13:50:00,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:50:00,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:50:00,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:50:00,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:50:00,886 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:50:00,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:50:00,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(10 == \old(a25)) || ((a29 <= 140 && 1 == a4) && a23 + 43 <= 0)) || !(1 == a3)) || 130 < \old(a29)) || \old(a29) < 130) || a4 <= 0) || !(312 == \old(a23))) || (!(12 == a25) && 1 == a4)) || (a29 + 22 <= 0 && 1 == a4)) || !(15 == a8)) || !(1 == \old(a4))) || (1 == a4 && 138 < a23) [2018-11-18 13:50:00,998 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45a95122-2922-4aca-b757-ff09777ce8bd/bin-2019/utaipan/witness.graphml [2018-11-18 13:50:00,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:50:00,999 INFO L168 Benchmark]: Toolchain (without parser) took 230411.68 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 955.8 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 13:50:00,999 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:50:01,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 896.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 896.7 MB in the beginning and 1.1 GB in the end (delta: -248.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,000 INFO L168 Benchmark]: Boogie Preprocessor took 80.52 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,000 INFO L168 Benchmark]: RCFGBuilder took 1907.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 165.7 MB). Peak memory consumption was 165.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,001 INFO L168 Benchmark]: TraceAbstraction took 227385.75 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 971.5 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,001 INFO L168 Benchmark]: Witness Printer took 133.13 ms. Allocated memory is still 5.0 GB. Free memory was 3.4 GB in the beginning and 3.4 GB in the end (delta: 26.5 kB). Peak memory consumption was 26.5 kB. Max. memory is 11.5 GB. [2018-11-18 13:50:01,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 760.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 896.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 140.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 896.7 MB in the beginning and 1.1 GB in the end (delta: -248.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.52 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1907.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 165.7 MB). Peak memory consumption was 165.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 227385.75 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 971.5 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 133.13 ms. Allocated memory is still 5.0 GB. Free memory was 3.4 GB in the beginning and 3.4 GB in the end (delta: 26.5 kB). Peak memory consumption was 26.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((!(10 == \old(a25)) || ((a29 <= 140 && 1 == a4) && a23 + 43 <= 0)) || !(1 == a3)) || 130 < \old(a29)) || \old(a29) < 130) || a4 <= 0) || !(312 == \old(a23))) || (!(12 == a25) && 1 == a4)) || (a29 + 22 <= 0 && 1 == a4)) || !(15 == a8)) || !(1 == \old(a4))) || (1 == a4 && 138 < a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 227.3s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 200.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3036 SDtfs, 11175 SDslu, 2395 SDs, 0 SdLazy, 20591 SolverSat, 4769 SolverUnsat, 289 SolverUnknown, 0 SolverNotchecked, 188.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3479 GetRequests, 3347 SyntacticMatches, 12 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36685occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.5s AbstIntTime, 6 AbstIntIterations, 1 AbstIntStrong, 0.9977102687972254 AbsIntWeakeningRatio, 0.13526570048309178 AbsIntAvgWeakeningVarsNumRemoved, 18.23671497584541 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1560 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 716 PreInvPairs, 1232 NumberOfFragments, 367 HoareAnnotationTreeSize, 716 FomulaSimplifications, 34403 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18677 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 4470 NumberOfCodeBlocks, 4470 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6016 ConstructedInterpolants, 2 QuantifiedInterpolants, 10439898 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2637 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 4429/4766 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...