./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_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_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/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 49868ba3cc530a9d4dc385567f0a9711da3734c2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:16:29,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:16:29,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:16:29,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:16:29,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:16:29,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:16:29,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:16:29,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:16:29,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:16:29,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:16:29,604 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:16:29,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:16:29,605 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:16:29,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:16:29,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:16:29,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:16:29,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:16:29,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:16:29,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:16:29,611 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:16:29,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:16:29,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:16:29,614 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:16:29,614 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:16:29,614 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:16:29,615 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:16:29,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:16:29,616 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:16:29,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:16:29,618 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:16:29,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:16:29,619 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:16:29,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:16:29,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:16:29,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:16:29,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:16:29,621 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:16:29,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:16:29,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:16:29,630 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:16:29,630 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:16:29,631 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:16:29,631 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:16:29,632 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:16:29,632 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:16:29,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:16:29,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:16:29,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:16:29,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:16:29,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:16:29,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:16:29,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:16:29,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:16:29,634 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:16:29,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:16:29,634 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:16:29,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:16:29,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:16:29,635 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:16:29,635 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:16:29,635 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:16:29,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:16:29,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:16:29,635 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:16:29,636 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/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 -> 49868ba3cc530a9d4dc385567f0a9711da3734c2 [2018-11-18 11:16:29,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:16:29,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:16:29,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:16:29,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:16:29,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:16:29,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:16:29,726 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/data/8674954a6/12c97f9362894e68850cac2b198798a6/FLAGd84eb59c8 [2018-11-18 11:16:30,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:16:30,127 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:16:30,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/data/8674954a6/12c97f9362894e68850cac2b198798a6/FLAGd84eb59c8 [2018-11-18 11:16:30,485 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/data/8674954a6/12c97f9362894e68850cac2b198798a6 [2018-11-18 11:16:30,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:16:30,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:16:30,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:16:30,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:16:30,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:16:30,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d293ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30, skipping insertion in model container [2018-11-18 11:16:30,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:16:30,534 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:16:30,780 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:16:30,784 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:16:30,848 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:16:30,860 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:16:30,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30 WrapperNode [2018-11-18 11:16:30,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:16:30,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:16:30,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:16:30,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:16:30,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:16:30,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:16:30,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:16:30,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:16:30,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:16:30,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:16:30,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:16:30,995 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:16:30,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/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 11:16:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:16:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:16:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:16:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:16:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:16:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:16:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:16:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:16:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:16:31,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:16:31,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:31 BoogieIcfgContainer [2018-11-18 11:16:31,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:16:31,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:16:31,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:16:31,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:16:31,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:16:30" (1/3) ... [2018-11-18 11:16:31,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0ee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:16:31, skipping insertion in model container [2018-11-18 11:16:31,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (2/3) ... [2018-11-18 11:16:31,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0ee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:16:31, skipping insertion in model container [2018-11-18 11:16:31,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:31" (3/3) ... [2018-11-18 11:16:31,949 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:16:31,955 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:16:31,960 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:16:31,969 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:16:31,992 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:16:31,992 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:16:31,992 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:16:31,992 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:16:31,992 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:16:31,992 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:16:31,992 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:16:31,992 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:16:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 11:16:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:16:32,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:32,019 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] [2018-11-18 11:16:32,021 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:32,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:32,025 INFO L82 PathProgramCache]: Analyzing trace with hash -782709097, now seen corresponding path program 1 times [2018-11-18 11:16:32,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:32,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:32,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:32,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:32,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,313 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 11:16:32,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:32,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:16:32,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:32,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:16:32,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:16:32,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:16:32,328 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 11:16:32,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:32,943 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 11:16:32,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:16:32,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-18 11:16:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:32,956 INFO L225 Difference]: With dead ends: 621 [2018-11-18 11:16:32,956 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 11:16:32,961 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 11:16:32,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 11:16:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 11:16:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 11:16:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 11:16:33,013 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 133 [2018-11-18 11:16:33,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:33,014 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 11:16:33,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:16:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 11:16:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:16:33,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:33,019 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] [2018-11-18 11:16:33,019 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:33,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:33,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1001431126, now seen corresponding path program 1 times [2018-11-18 11:16:33,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:33,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:33,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:33,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:33,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:33,226 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 11:16:33,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:33,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:16:33,227 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:33,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:16:33,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:16:33,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:16:33,229 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-18 11:16:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:33,732 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-18 11:16:33,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:16:33,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-11-18 11:16:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:33,734 INFO L225 Difference]: With dead ends: 903 [2018-11-18 11:16:33,735 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 11:16:33,737 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 11:16:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 11:16:33,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 11:16:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 11:16:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-18 11:16:33,752 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 142 [2018-11-18 11:16:33,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:33,752 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-18 11:16:33,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:16:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-18 11:16:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:16:33,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:33,755 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:16:33,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:33,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:33,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1638990538, now seen corresponding path program 1 times [2018-11-18 11:16:33,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:33,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:33,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:33,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:33,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:33,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:33,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:16:33,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:33,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:16:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:16:33,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:16:33,955 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-18 11:16:34,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:34,450 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-18 11:16:34,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:16:34,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-18 11:16:34,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:34,453 INFO L225 Difference]: With dead ends: 901 [2018-11-18 11:16:34,453 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 11:16:34,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 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 11:16:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 11:16:34,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 11:16:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 11:16:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-18 11:16:34,468 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 148 [2018-11-18 11:16:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:34,468 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-18 11:16:34,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:16:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-18 11:16:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:16:34,470 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:34,470 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:16:34,471 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:34,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2027073139, now seen corresponding path program 1 times [2018-11-18 11:16:34,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:34,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:34,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:34,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:34,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:34,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:34,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:16:34,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:34,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:16:34,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:16:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:16:34,573 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-18 11:16:35,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:35,260 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-18 11:16:35,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:16:35,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-18 11:16:35,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:35,264 INFO L225 Difference]: With dead ends: 1193 [2018-11-18 11:16:35,265 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 11:16:35,266 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 11:16:35,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 11:16:35,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 11:16:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 11:16:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-18 11:16:35,287 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 156 [2018-11-18 11:16:35,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:35,287 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-18 11:16:35,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:16:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-18 11:16:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 11:16:35,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:35,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:35,289 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:35,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:35,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1763589615, now seen corresponding path program 1 times [2018-11-18 11:16:35,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:35,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:35,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:35,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:35,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:35,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:35,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:16:35,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:35,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:16:35,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:16:35,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:16:35,430 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-18 11:16:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:35,997 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-18 11:16:35,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:16:35,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-18 11:16:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:36,002 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 11:16:36,002 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 11:16:36,005 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 11:16:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 11:16:36,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-18 11:16:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 11:16:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-18 11:16:36,051 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 158 [2018-11-18 11:16:36,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:36,052 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-18 11:16:36,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:16:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-18 11:16:36,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:16:36,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:36,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:36,055 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:36,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1311761045, now seen corresponding path program 1 times [2018-11-18 11:16:36,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:36,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:36,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:36,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:36,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:36,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:36,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:16:36,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:36,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:16:36,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:16:36,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:16:36,237 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-18 11:16:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:36,658 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-18 11:16:36,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:16:36,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-18 11:16:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:36,665 INFO L225 Difference]: With dead ends: 1747 [2018-11-18 11:16:36,665 INFO L226 Difference]: Without dead ends: 801 [2018-11-18 11:16:36,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 11:16:36,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-18 11:16:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-18 11:16:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 11:16:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-18 11:16:36,681 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 160 [2018-11-18 11:16:36,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:36,681 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-18 11:16:36,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:16:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-18 11:16:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:16:36,684 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:36,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:36,685 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:36,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:36,685 INFO L82 PathProgramCache]: Analyzing trace with hash -269929571, now seen corresponding path program 1 times [2018-11-18 11:16:36,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:36,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:36,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:36,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:36,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:36,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:16:36,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:16:36,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:36,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:16:36,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:16:36,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:16:36,749 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-18 11:16:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:37,409 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-18 11:16:37,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:16:37,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 11:16:37,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:37,416 INFO L225 Difference]: With dead ends: 2381 [2018-11-18 11:16:37,416 INFO L226 Difference]: Without dead ends: 1586 [2018-11-18 11:16:37,419 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 11:16:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-18 11:16:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-18 11:16:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-18 11:16:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-18 11:16:37,456 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 164 [2018-11-18 11:16:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:37,456 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-18 11:16:37,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:16:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-18 11:16:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 11:16:37,461 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:37,461 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:16:37,461 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:37,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:37,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1973584945, now seen corresponding path program 1 times [2018-11-18 11:16:37,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:37,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:37,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:37,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:37,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:37,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:16:37,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:16:37,563 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-18 11:16:37,565 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], [107], [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], [735], [737], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:16:37,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:16:37,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:16:38,109 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:16:38,111 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Performed 2982 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2982 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 11:16:38,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:38,122 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:16:38,419 INFO L227 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 82.76% of their original sizes. [2018-11-18 11:16:38,419 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:16:38,476 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-18 11:16:38,476 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:16:38,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:16:38,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:16:38,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:38,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:16:38,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:16:38,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:16:38,478 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 10 states. [2018-11-18 11:16:42,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:42,536 INFO L93 Difference]: Finished difference Result 3925 states and 5567 transitions. [2018-11-18 11:16:42,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 11:16:42,536 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2018-11-18 11:16:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:42,540 INFO L225 Difference]: With dead ends: 3925 [2018-11-18 11:16:42,540 INFO L226 Difference]: Without dead ends: 2373 [2018-11-18 11:16:42,543 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 208 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:16:42,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-11-18 11:16:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2302. [2018-11-18 11:16:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2018-11-18 11:16:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3078 transitions. [2018-11-18 11:16:42,575 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3078 transitions. Word has length 199 [2018-11-18 11:16:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:42,575 INFO L480 AbstractCegarLoop]: Abstraction has 2302 states and 3078 transitions. [2018-11-18 11:16:42,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:16:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3078 transitions. [2018-11-18 11:16:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 11:16:42,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:42,580 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] [2018-11-18 11:16:42,580 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:42,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 929493308, now seen corresponding path program 1 times [2018-11-18 11:16:42,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:42,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:42,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:42,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:42,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:42,685 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 11:16:42,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:16:42,686 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:16:42,686 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-18 11:16:42,686 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], [735], [737], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:16:42,690 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:16:42,690 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:16:42,916 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:16:42,916 INFO L272 AbstractInterpreter]: Visited 139 different actions 413 times. Merged at 8 different actions 20 times. Never widened. Performed 4831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 11:16:42,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:42,920 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:16:42,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:16:42,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/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 11:16:42,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:42,930 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:16:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:43,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:16:43,192 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 11:16:43,192 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:16:43,276 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 11:16:43,293 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:16:43,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-18 11:16:43,294 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:16:43,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 11:16:43,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 11:16:43,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:16:43,295 INFO L87 Difference]: Start difference. First operand 2302 states and 3078 transitions. Second operand 14 states. [2018-11-18 11:16:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:44,990 INFO L93 Difference]: Finished difference Result 7739 states and 10788 transitions. [2018-11-18 11:16:44,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 11:16:44,991 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 204 [2018-11-18 11:16:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:45,002 INFO L225 Difference]: With dead ends: 7739 [2018-11-18 11:16:45,002 INFO L226 Difference]: Without dead ends: 3607 [2018-11-18 11:16:45,012 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 11:16:45,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2018-11-18 11:16:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3583. [2018-11-18 11:16:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3583 states. [2018-11-18 11:16:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4207 transitions. [2018-11-18 11:16:45,081 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4207 transitions. Word has length 204 [2018-11-18 11:16:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:45,081 INFO L480 AbstractCegarLoop]: Abstraction has 3583 states and 4207 transitions. [2018-11-18 11:16:45,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 11:16:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4207 transitions. [2018-11-18 11:16:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:16:45,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:16:45,087 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] [2018-11-18 11:16:45,088 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:16:45,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:45,088 INFO L82 PathProgramCache]: Analyzing trace with hash -795997850, now seen corresponding path program 1 times [2018-11-18 11:16:45,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:16:45,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:45,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:45,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:16:45,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:16:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:45,293 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 11:16:45,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:16:45,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:16:45,293 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-18 11:16:45,294 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], [735], [737], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:16:45,297 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:16:45,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:16:45,482 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:16:45,483 INFO L272 AbstractInterpreter]: Visited 138 different actions 405 times. Merged at 7 different actions 15 times. Never widened. Performed 4787 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4787 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 11:16:45,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:45,491 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:16:45,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:16:45,491 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/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 11:16:45,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:16:45,508 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:16:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:45,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:16:45,608 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 11:16:45,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:16:45,653 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 11:16:45,669 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:16:45,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 11:16:45,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:16:45,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:16:45,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:16:45,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:16:45,670 INFO L87 Difference]: Start difference. First operand 3583 states and 4207 transitions. Second operand 3 states. [2018-11-18 11:16:45,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:16:45,936 INFO L93 Difference]: Finished difference Result 6933 states and 8283 transitions. [2018-11-18 11:16:45,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:16:45,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2018-11-18 11:16:45,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:16:45,937 INFO L225 Difference]: With dead ends: 6933 [2018-11-18 11:16:45,937 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:16:45,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 438 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 11:16:45,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:16:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:16:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:16:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:16:45,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-11-18 11:16:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:16:45,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:16:45,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:16:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:16:45,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:16:45,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:16:46,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:16:46,531 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2018-11-18 11:16:46,655 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 54 [2018-11-18 11:16:46,816 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2018-11-18 11:16:46,818 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:16:46,818 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 11:16:46,818 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:16:46,818 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:16:46,819 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 11:16:46,820 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:16:46,821 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 11:16:46,822 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,830 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,830 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,830 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,831 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 11:16:46,832 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:16:46,833 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,834 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 11:16:46,835 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 11:16:46,836 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,837 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= |old(~a17~0)| ~a17~0)) (.cse18 (= |old(~a25~0)| ~a25~0)) (.cse21 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse19 (= 1 |old(~a19~0)|)) (.cse17 (= 1 |old(~a25~0)|))) (let ((.cse13 (= 9 |old(~a28~0)|)) (.cse16 (= 8 ~a17~0)) (.cse8 (not .cse17)) (.cse9 (not .cse19)) (.cse7 (not (= 7 |old(~a28~0)|))) (.cse15 (not (= 8 |old(~a17~0)|))) (.cse11 (= 1 ~a11~0)) (.cse12 (= 1 ~a19~0)) (.cse10 (not .cse1)) (.cse5 (< 9 |old(~a28~0)|)) (.cse3 (not (= ~a11~0 1))) (.cse14 (not (= |old(~a17~0)| 8))) (.cse0 (not (= 1 ~a21~0))) (.cse2 (= 8 |old(~a28~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse6 (and .cse20 .cse18 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse0 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse5 .cse6 .cse2 .cse13 .cse14) (or .cse0 .cse8 .cse9 .cse15 (and .cse11 (= 1 ~a25~0) (= 9 ~a28~0) .cse16 .cse12) (not .cse13) .cse10) (or .cse0 .cse2 .cse6 .cse4 .cse17) (or (and .cse11 .cse16 .cse12 .cse18 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse8 .cse9 .cse15 .cse10) (or (and (= ~a11~0 0) (= ~a19~0 1)) .cse0 .cse9 (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) .cse15 (= |calculate_output_#in~input| 0)) (or .cse19 .cse0 .cse7 .cse15 (and .cse11 (not .cse12)) .cse10 .cse17) (or .cse0 .cse5 .cse2 .cse6 .cse14 .cse17) (or .cse0 (and .cse20 .cse18 .cse21 .cse3) .cse1 .cse14) (or .cse0 .cse1 .cse2 .cse4 .cse6)))) [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 11:16:46,838 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:16:46,839 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 11:16:46,840 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:16:46,841 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 11:16:46,841 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:16:46,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:16:46,842 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 (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 11:16:46,842 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 11:16:46,842 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 9)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse3 (<= ~a17~0 7)) (.cse5 (not (= ~a25~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse6 (= 8 ~a17~0)) (.cse7 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 (not (= ~a28~0 9))) (and .cse3 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse0 .cse1 .cse2) (and (= 9 ~a28~0) .cse6 .cse7) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse4) (and .cse3 .cse5 .cse1) (not (= 1 |old(~a19~0)|)) (and (= 1 ~a25~0) .cse6 .cse7 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)))) [2018-11-18 11:16:46,842 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:16:46,842 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:16:46,842 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 9)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse3 (<= ~a17~0 7)) (.cse7 (not (= ~a25~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse5 (= 8 ~a17~0)) (.cse6 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 (not (= ~a28~0 9))) (and .cse3 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and (= 9 ~a28~0) .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse4) (and .cse3 .cse7 .cse1) (not (= 1 |old(~a19~0)|)) (and (= 1 ~a25~0) .cse5 .cse6 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)))) [2018-11-18 11:16:46,842 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 11:16:46,842 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 11:16:46,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:16:46 BoogieIcfgContainer [2018-11-18 11:16:46,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:16:46,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:16:46,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:16:46,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:16:46,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:31" (3/4) ... [2018-11-18 11:16:46,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:16:46,882 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:16:46,882 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:16:46,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:16:46,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:16:46,893 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:16:46,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (((\old(a17) == a17 && !(a28 == 8)) && a28 <= 9) && !(a28 == 9))) || ((a17 <= 7 && !(a28 == 8)) && a28 <= 9)) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8)) && a28 <= 9)) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a25 == 1)) && !(a28 == 8))) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17)) [2018-11-18 11:16:46,992 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_86c5587d-d282-4b45-a521-1dd7cdc33daa/bin-2019/utaipan/witness.graphml [2018-11-18 11:16:46,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:16:46,993 INFO L168 Benchmark]: Toolchain (without parser) took 16505.77 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 759.2 MB). Free memory was 956.6 MB in the beginning and 856.1 MB in the end (delta: 100.5 MB). Peak memory consumption was 859.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,993 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:16:46,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,994 INFO L168 Benchmark]: Boogie Preprocessor took 58.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,994 INFO L168 Benchmark]: RCFGBuilder took 947.39 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: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,995 INFO L168 Benchmark]: TraceAbstraction took 14909.22 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 626.5 MB). Free memory was 1.0 GB in the beginning and 874.1 MB in the end (delta: 138.3 MB). Peak memory consumption was 764.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,995 INFO L168 Benchmark]: Witness Printer took 139.58 ms. Allocated memory is still 1.8 GB. Free memory was 874.1 MB in the beginning and 856.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:46,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 947.39 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: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14909.22 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 626.5 MB). Free memory was 1.0 GB in the beginning and 874.1 MB in the end (delta: 138.3 MB). Peak memory consumption was 764.8 MB. Max. memory is 11.5 GB. * Witness Printer took 139.58 ms. Allocated memory is still 1.8 GB. Free memory was 874.1 MB in the beginning and 856.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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))) || !(0 == \old(a11))) || (((\old(a17) == a17 && !(a28 == 8)) && a28 <= 9) && !(a28 == 9))) || ((a17 <= 7 && !(a28 == 8)) && a28 <= 9)) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8)) && a28 <= 9)) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a25 == 1)) && !(a28 == 8))) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1206 SDtfs, 7966 SDslu, 1449 SDs, 0 SdLazy, 9461 SolverSat, 2059 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1162 GetRequests, 1070 SyntacticMatches, 10 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3583occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9976878706379597 AbsIntWeakeningRatio, 0.16666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 26.45959595959596 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 135 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 178 NumberOfFragments, 668 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2770 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3041 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2108 NumberOfCodeBlocks, 2108 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2518 ConstructedInterpolants, 0 QuantifiedInterpolants, 2058946 SizeOfPredicates, 2 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 791/827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...