./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.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_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/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 a07d46acee19a1bf676413a71857b7cd94a5f704 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:10:12,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:10:12,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:10:12,662 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:10:12,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:10:12,663 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:10:12,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:10:12,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:10:12,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:10:12,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:10:12,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:10:12,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:10:12,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:10:12,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:10:12,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:10:12,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:10:12,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:10:12,670 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:10:12,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:10:12,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:10:12,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:10:12,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:10:12,675 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:10:12,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:10:12,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:10:12,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:10:12,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:10:12,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:10:12,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:10:12,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:10:12,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:10:12,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:10:12,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:10:12,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:10:12,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:10:12,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:10:12,682 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:10:12,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:10:12,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:10:12,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:10:12,693 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:10:12,693 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:10:12,693 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:10:12,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:10:12,693 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:10:12,693 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:10:12,694 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:10:12,694 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:10:12,694 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:10:12,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:10:12,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:10:12,695 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:10:12,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:10:12,696 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:12,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:10:12,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:10:12,698 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_1502a7ad-b65c-4df6-b290-68b42f270d92/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-11-18 16:10:12,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:10:12,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:10:12,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:10:12,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:10:12,734 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:10:12,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-18 16:10:12,779 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/data/0972cecc4/c6b83ed011e54cd5b0e0c043f940b864/FLAGfbf7385ba [2018-11-18 16:10:13,142 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:10:13,143 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-18 16:10:13,151 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/data/0972cecc4/c6b83ed011e54cd5b0e0c043f940b864/FLAGfbf7385ba [2018-11-18 16:10:13,163 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/data/0972cecc4/c6b83ed011e54cd5b0e0c043f940b864 [2018-11-18 16:10:13,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:10:13,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:10:13,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:13,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:10:13,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:10:13,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13, skipping insertion in model container [2018-11-18 16:10:13,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:10:13,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:10:13,435 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:13,438 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:10:13,504 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:13,516 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:10:13,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13 WrapperNode [2018-11-18 16:10:13,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:13,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:13,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:10:13,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:10:13,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:13,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:10:13,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:10:13,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:10:13,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... [2018-11-18 16:10:13,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:10:13,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:10:13,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:10:13,647 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:10:13,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/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 16:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:10:14,435 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:10:14,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:14 BoogieIcfgContainer [2018-11-18 16:10:14,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:10:14,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:10:14,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:10:14,439 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:10:14,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:10:13" (1/3) ... [2018-11-18 16:10:14,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:14, skipping insertion in model container [2018-11-18 16:10:14,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:13" (2/3) ... [2018-11-18 16:10:14,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:14, skipping insertion in model container [2018-11-18 16:10:14,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:14" (3/3) ... [2018-11-18 16:10:14,441 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-11-18 16:10:14,447 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:10:14,453 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:10:14,462 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:10:14,484 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:10:14,484 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:10:14,484 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:10:14,484 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:10:14,484 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:10:14,484 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:10:14,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:10:14,484 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:10:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 16:10:14,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 16:10:14,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:14,511 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:14,513 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:14,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:14,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1739350872, now seen corresponding path program 1 times [2018-11-18 16:10:14,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:14,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:14,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:14,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:14,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:14,807 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 16:10:14,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:14,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:10:14,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:14,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:10:14,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:10:14,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:10:14,823 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 16:10:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:15,454 INFO L93 Difference]: Finished difference Result 621 states and 1060 transitions. [2018-11-18 16:10:15,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:10:15,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-11-18 16:10:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:15,467 INFO L225 Difference]: With dead ends: 621 [2018-11-18 16:10:15,467 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 16:10:15,471 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:10:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 16:10:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-11-18 16:10:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 16:10:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 637 transitions. [2018-11-18 16:10:15,511 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 637 transitions. Word has length 140 [2018-11-18 16:10:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:15,512 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 637 transitions. [2018-11-18 16:10:15,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:10:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 637 transitions. [2018-11-18 16:10:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 16:10:15,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:15,516 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:15,517 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:15,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:15,517 INFO L82 PathProgramCache]: Analyzing trace with hash -994164683, now seen corresponding path program 1 times [2018-11-18 16:10:15,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:15,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:15,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:15,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:15,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:15,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:15,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:10:15,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:15,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:10:15,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:10:15,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:10:15,726 INFO L87 Difference]: Start difference. First operand 381 states and 637 transitions. Second operand 5 states. [2018-11-18 16:10:16,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:16,281 INFO L93 Difference]: Finished difference Result 901 states and 1555 transitions. [2018-11-18 16:10:16,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:10:16,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-11-18 16:10:16,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:16,284 INFO L225 Difference]: With dead ends: 901 [2018-11-18 16:10:16,284 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 16:10:16,286 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:10:16,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 16:10:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 16:10:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 16:10:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 632 transitions. [2018-11-18 16:10:16,300 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 632 transitions. Word has length 149 [2018-11-18 16:10:16,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:16,301 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 632 transitions. [2018-11-18 16:10:16,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:10:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 632 transitions. [2018-11-18 16:10:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 16:10:16,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:16,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:16,303 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:16,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:16,304 INFO L82 PathProgramCache]: Analyzing trace with hash -408118830, now seen corresponding path program 1 times [2018-11-18 16:10:16,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:16,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:16,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:16,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:16,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:16,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:16,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:10:16,391 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:16,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:10:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:10:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:10:16,392 INFO L87 Difference]: Start difference. First operand 380 states and 632 transitions. Second operand 6 states. [2018-11-18 16:10:16,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:16,980 INFO L93 Difference]: Finished difference Result 1184 states and 2066 transitions. [2018-11-18 16:10:16,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:10:16,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-18 16:10:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:16,987 INFO L225 Difference]: With dead ends: 1184 [2018-11-18 16:10:16,987 INFO L226 Difference]: Without dead ends: 810 [2018-11-18 16:10:16,989 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 16:10:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-18 16:10:17,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 800. [2018-11-18 16:10:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-18 16:10:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1274 transitions. [2018-11-18 16:10:17,017 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1274 transitions. Word has length 174 [2018-11-18 16:10:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:17,017 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1274 transitions. [2018-11-18 16:10:17,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:10:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1274 transitions. [2018-11-18 16:10:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 16:10:17,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:17,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:17,021 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:17,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:17,021 INFO L82 PathProgramCache]: Analyzing trace with hash 464706266, now seen corresponding path program 1 times [2018-11-18 16:10:17,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:17,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:17,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:17,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:17,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:17,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:17,203 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:17,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-18 16:10:17,205 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:10:17,237 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:17,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:17,753 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:10:17,754 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 times. Merged at 5 different actions 5 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 16:10:17,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:17,761 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:10:18,099 INFO L227 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 82.95% of their original sizes. [2018-11-18 16:10:18,099 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:10:18,196 INFO L415 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2018-11-18 16:10:18,196 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:10:18,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:10:18,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 16:10:18,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:18,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:10:18,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:10:18,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:10:18,198 INFO L87 Difference]: Start difference. First operand 800 states and 1274 transitions. Second operand 10 states. [2018-11-18 16:10:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:22,719 INFO L93 Difference]: Finished difference Result 2193 states and 3465 transitions. [2018-11-18 16:10:22,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 16:10:22,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 175 [2018-11-18 16:10:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:22,725 INFO L225 Difference]: With dead ends: 2193 [2018-11-18 16:10:22,725 INFO L226 Difference]: Without dead ends: 1399 [2018-11-18 16:10:22,728 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:10:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2018-11-18 16:10:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1391. [2018-11-18 16:10:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-11-18 16:10:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1963 transitions. [2018-11-18 16:10:22,761 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1963 transitions. Word has length 175 [2018-11-18 16:10:22,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:22,761 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1963 transitions. [2018-11-18 16:10:22,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:10:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1963 transitions. [2018-11-18 16:10:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 16:10:22,767 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:22,767 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:22,767 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:22,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:22,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1998011813, now seen corresponding path program 1 times [2018-11-18 16:10:22,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:22,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:22,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:22,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:22,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:10:22,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:22,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:22,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-18 16:10:22,847 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:10:22,851 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:22,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:22,970 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:10:22,970 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 5 different actions 5 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 16:10:22,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:22,973 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:10:23,194 INFO L227 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 81.22% of their original sizes. [2018-11-18 16:10:23,195 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:10:23,257 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-18 16:10:23,257 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:10:23,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:10:23,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 16:10:23,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:23,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:10:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:10:23,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:10:23,259 INFO L87 Difference]: Start difference. First operand 1391 states and 1963 transitions. Second operand 10 states. [2018-11-18 16:10:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:25,093 INFO L93 Difference]: Finished difference Result 3220 states and 4493 transitions. [2018-11-18 16:10:25,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 16:10:25,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2018-11-18 16:10:25,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:25,099 INFO L225 Difference]: With dead ends: 3220 [2018-11-18 16:10:25,099 INFO L226 Difference]: Without dead ends: 1835 [2018-11-18 16:10:25,102 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:10:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2018-11-18 16:10:25,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1830. [2018-11-18 16:10:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2018-11-18 16:10:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2476 transitions. [2018-11-18 16:10:25,141 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2476 transitions. Word has length 207 [2018-11-18 16:10:25,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:25,141 INFO L480 AbstractCegarLoop]: Abstraction has 1830 states and 2476 transitions. [2018-11-18 16:10:25,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:10:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2476 transitions. [2018-11-18 16:10:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 16:10:25,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:25,148 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:25,148 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:25,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:25,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1029888413, now seen corresponding path program 1 times [2018-11-18 16:10:25,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:25,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:25,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:25,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:25,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:25,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:25,273 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:25,273 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-18 16:10:25,273 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:10:25,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:25,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:25,490 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:10:25,490 INFO L272 AbstractInterpreter]: Visited 146 different actions 432 times. Merged at 8 different actions 18 times. Never widened. Performed 5021 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5021 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 16:10:25,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:25,497 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:10:25,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:25,497 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/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 16:10:25,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:25,504 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:10:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:25,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:10:25,660 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:10:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:10:25,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:10:25,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-18 16:10:25,758 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:10:25,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 16:10:25,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 16:10:25,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:10:25,759 INFO L87 Difference]: Start difference. First operand 1830 states and 2476 transitions. Second operand 14 states. [2018-11-18 16:10:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:27,352 INFO L93 Difference]: Finished difference Result 5511 states and 7974 transitions. [2018-11-18 16:10:27,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 16:10:27,352 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2018-11-18 16:10:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:27,360 INFO L225 Difference]: With dead ends: 5511 [2018-11-18 16:10:27,360 INFO L226 Difference]: Without dead ends: 2656 [2018-11-18 16:10:27,367 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 16:10:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2018-11-18 16:10:27,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2589. [2018-11-18 16:10:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2018-11-18 16:10:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3088 transitions. [2018-11-18 16:10:27,417 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3088 transitions. Word has length 211 [2018-11-18 16:10:27,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:27,417 INFO L480 AbstractCegarLoop]: Abstraction has 2589 states and 3088 transitions. [2018-11-18 16:10:27,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 16:10:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3088 transitions. [2018-11-18 16:10:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 16:10:27,425 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:27,425 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:27,426 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:27,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:27,426 INFO L82 PathProgramCache]: Analyzing trace with hash 113011449, now seen corresponding path program 1 times [2018-11-18 16:10:27,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:27,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:27,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:27,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:27,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:27,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:27,616 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:27,616 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-18 16:10:27,616 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:10:27,620 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:27,620 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:27,843 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:10:27,843 INFO L272 AbstractInterpreter]: Visited 145 different actions 429 times. Merged at 7 different actions 18 times. Never widened. Performed 5035 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5035 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 16:10:27,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:27,849 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:10:27,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:27,849 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/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 16:10:27,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:27,880 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:10:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:27,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:10:27,970 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:10:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:10:28,044 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:10:28,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 16:10:28,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:28,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:10:28,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:10:28,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:10:28,046 INFO L87 Difference]: Start difference. First operand 2589 states and 3088 transitions. Second operand 3 states. [2018-11-18 16:10:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:28,280 INFO L93 Difference]: Finished difference Result 5336 states and 6487 transitions. [2018-11-18 16:10:28,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:10:28,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2018-11-18 16:10:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:28,286 INFO L225 Difference]: With dead ends: 5336 [2018-11-18 16:10:28,286 INFO L226 Difference]: Without dead ends: 3436 [2018-11-18 16:10:28,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:10:28,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2018-11-18 16:10:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 3373. [2018-11-18 16:10:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3373 states. [2018-11-18 16:10:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 3373 states and 3979 transitions. [2018-11-18 16:10:28,327 INFO L78 Accepts]: Start accepts. Automaton has 3373 states and 3979 transitions. Word has length 227 [2018-11-18 16:10:28,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:28,327 INFO L480 AbstractCegarLoop]: Abstraction has 3373 states and 3979 transitions. [2018-11-18 16:10:28,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:10:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3979 transitions. [2018-11-18 16:10:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 16:10:28,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:28,333 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:28,333 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:28,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:28,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2042894620, now seen corresponding path program 1 times [2018-11-18 16:10:28,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:28,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:28,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:28,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:28,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:10:28,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:28,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:28,438 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-18 16:10:28,439 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:10:28,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:28,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:28,610 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:10:28,610 INFO L272 AbstractInterpreter]: Visited 145 different actions 431 times. Merged at 7 different actions 18 times. Never widened. Performed 4892 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4892 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 16:10:28,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:28,617 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:10:28,795 INFO L227 lantSequenceWeakener]: Weakened 252 states. On average, predicates are now at 84.71% of their original sizes. [2018-11-18 16:10:28,795 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:10:28,837 INFO L415 sIntCurrentIteration]: We unified 254 AI predicates to 254 [2018-11-18 16:10:28,837 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:10:28,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:10:28,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 16:10:28,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:28,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:10:28,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:10:28,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:10:28,838 INFO L87 Difference]: Start difference. First operand 3373 states and 3979 transitions. Second operand 10 states. [2018-11-18 16:10:31,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:31,540 INFO L93 Difference]: Finished difference Result 8223 states and 10011 transitions. [2018-11-18 16:10:31,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 16:10:31,540 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 255 [2018-11-18 16:10:31,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:31,540 INFO L225 Difference]: With dead ends: 8223 [2018-11-18 16:10:31,540 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:10:31,549 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:10:31,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:10:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:10:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:10:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:10:31,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2018-11-18 16:10:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:31,550 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:10:31,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:10:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:10:31,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:10:31,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:10:31,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:10:32,261 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 84 [2018-11-18 16:10:32,390 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2018-11-18 16:10:32,682 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-11-18 16:10:32,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:10:32,684 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 16:10:32,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 16:10:32,685 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 16:10:32,686 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 16:10:32,687 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 16:10:32,688 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 16:10:32,689 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 16:10:32,690 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 571) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 16:10:32,691 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 16:10:32,692 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,693 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 16:10:32,694 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 16:10:32,695 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,696 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 9 |old(~a28~0)|)) (.cse10 (not (= 1 |old(~a25~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse7 (= 0 |old(~a28~0)|)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse21 (not (= 0 |old(~a25~0)|))) (.cse16 (= |old(~a11~0)| ~a11~0)) (.cse23 (= |old(~a17~0)| ~a17~0)) (.cse17 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (and .cse16 .cse23 .cse17)) (.cse12 (= 1 |old(~a11~0)|)) (.cse18 (= ~a25~0 0)) (.cse5 (= ~a19~0 1)) (.cse20 (and (or .cse0 (not (= 11 |old(~a28~0)|)) .cse10 .cse6 .cse8) (or .cse0 .cse6 .cse7 .cse8 .cse21))) (.cse4 (< 7 |old(~a17~0)|)) (.cse14 (<= ~a19~0 0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse13 (not (= |old(~a17~0)| 8))) (.cse15 (< 0 |old(~a19~0)|)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse11 (not .cse3)) (.cse22 (= ~a25~0 1)) (.cse9 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9) (or .cse0 .cse10 .cse6 .cse8 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) .cse11 (not .cse12)) (or .cse0 .cse1 .cse2 .cse3 .cse13) (or .cse0 .cse12 .cse3 .cse13 .cse1) (or .cse0 .cse12 .cse14 .cse3 .cse13 .cse15) (or .cse0 (and .cse16 (= ~a17~0 8) .cse5 .cse17) .cse12 .cse6 .cse7 .cse8 .cse9) (or .cse18 .cse2 .cse19 .cse9 .cse20 .cse21) (or .cse2 (and .cse16 (or (and (= ~a28~0 11) .cse22) (and .cse18 .cse5)) .cse23 .cse17) .cse9 .cse20) (or .cse0 (and .cse16 .cse14 .cse23 .cse17) .cse2 .cse15 .cse4) (or .cse0 .cse14 .cse2 .cse3 .cse13 .cse15) (or (or .cse0 .cse10 .cse6 .cse19 .cse8 .cse11) .cse22 .cse9)))) [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 16:10:32,697 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 16:10:32,698 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,699 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 16:10:32,700 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 16:10:32,701 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:10:32,701 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-11-18 16:10:32,701 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 16:10:32,702 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse3 (not (= ~a11~0 1))) (.cse4 (<= ~a17~0 7)) (.cse0 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (and (= ~a25~0 0) .cse1 .cse2)) (not (= 0 |old(~a11~0)|)) (and (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse3) (and .cse4 (<= ~a19~0 0) .cse0) (and .cse1 .cse3 .cse5) (and (= |old(~a17~0)| ~a17~0) .cse0 .cse5) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse0 .cse5))) [2018-11-18 16:10:32,702 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 16:10:32,702 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 16:10:32,702 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse1 (= ~a17~0 8)) (.cse2 (= ~a19~0 1)) (.cse3 (not (= ~a11~0 1))) (.cse5 (= |old(~a17~0)| ~a17~0)) (.cse7 (<= ~a17~0 7)) (.cse4 (not (= ~a28~0 8))) (.cse6 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (and .cse0 .cse4 (and (= ~a25~0 0) .cse1 .cse2)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse3 .cse6) (and .cse7 (<= ~a19~0 0) .cse4) (and .cse5 .cse4 .cse6) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse7 .cse4 .cse6))) [2018-11-18 16:10:32,702 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 16:10:32,702 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 16:10:32,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:10:32 BoogieIcfgContainer [2018-11-18 16:10:32,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:10:32,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:10:32,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:10:32,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:10:32,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:14" (3/4) ... [2018-11-18 16:10:32,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:10:32,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:10:32,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:10:32,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:10:32,740 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:10:32,741 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:10:32,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == 8) && (a25 == 0 && a17 == 8) && a19 == 1)) || !(0 == \old(a11))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-11-18 16:10:32,834 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1502a7ad-b65c-4df6-b290-68b42f270d92/bin-2019/utaipan/witness.graphml [2018-11-18 16:10:32,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:10:32,835 INFO L168 Benchmark]: Toolchain (without parser) took 19668.31 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 882.9 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 735.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,835 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:10:32,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 922.5 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,836 INFO L168 Benchmark]: Boogie Preprocessor took 52.10 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,836 INFO L168 Benchmark]: RCFGBuilder took 788.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,836 INFO L168 Benchmark]: TraceAbstraction took 18285.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 739.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.2 MB). Peak memory consumption was 646.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,836 INFO L168 Benchmark]: Witness Printer took 112.22 ms. Allocated memory is still 1.9 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:32,838 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 922.5 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.10 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 788.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18285.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 739.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.2 MB). Peak memory consumption was 646.0 MB. Max. memory is 11.5 GB. * Witness Printer took 112.22 ms. Allocated memory is still 1.9 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 571]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == 8) && (a25 == 0 && a17 == 8) && a19 == 1)) || !(0 == \old(a11))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 18.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 12.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1241 SDtfs, 8419 SDslu, 1587 SDs, 0 SdLazy, 8420 SolverSat, 2020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1614 GetRequests, 1504 SyntacticMatches, 7 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3373occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975563562036197 AbsIntWeakeningRatio, 0.16561514195583596 AbsIntAvgWeakeningVarsNumRemoved, 25.981072555205046 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 154 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 101 PreInvPairs, 194 NumberOfFragments, 723 HoareAnnotationTreeSize, 101 FomulaSimplifications, 4584 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3768 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1976 NumberOfCodeBlocks, 1976 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1562734 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1002 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 843/959 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...