./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/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_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/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-aa41828 [2018-11-23 00:31:35,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:31:35,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:31:35,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:31:35,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:31:35,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:31:35,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:31:35,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:31:35,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:31:35,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:31:35,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:31:35,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:31:35,554 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:31:35,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:31:35,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:31:35,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:31:35,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:31:35,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:31:35,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:31:35,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:31:35,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:31:35,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:31:35,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:31:35,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:31:35,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:31:35,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:31:35,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:31:35,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:31:35,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:31:35,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:31:35,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:31:35,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:31:35,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:31:35,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:31:35,568 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:31:35,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:31:35,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:31:35,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:31:35,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:31:35,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:31:35,579 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:31:35,579 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:31:35,579 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:31:35,579 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:31:35,580 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:31:35,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:31:35,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:31:35,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:31:35,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:31:35,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:31:35,582 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:31:35,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:31:35,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:31:35,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:31:35,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:31:35,583 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:31:35,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:31:35,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:31:35,584 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:31:35,585 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_2e5ca09b-b74f-4728-bd62-2abdd451716d/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 [2018-11-23 00:31:35,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:31:35,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:31:35,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:31:35,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:31:35,620 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:31:35,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-23 00:31:35,662 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/data/fa3e5be78/8617feae36774552902ac37de1110672/FLAG5b5c786dd [2018-11-23 00:31:36,045 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:31:36,046 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-23 00:31:36,055 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/data/fa3e5be78/8617feae36774552902ac37de1110672/FLAG5b5c786dd [2018-11-23 00:31:36,425 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/data/fa3e5be78/8617feae36774552902ac37de1110672 [2018-11-23 00:31:36,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:31:36,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:31:36,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:31:36,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:31:36,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:31:36,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36, skipping insertion in model container [2018-11-23 00:31:36,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:31:36,476 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:31:36,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:31:36,707 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:31:36,775 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:31:36,788 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:31:36,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36 WrapperNode [2018-11-23 00:31:36,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:31:36,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:31:36,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:31:36,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:31:36,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:31:36,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:31:36,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:31:36,860 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:31:36,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... [2018-11-23 00:31:36,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:31:36,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:31:36,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:31:36,910 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:31:36,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/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 [2018-11-23 00:31:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:31:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:31:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:31:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:31:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:31:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:31:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:31:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:31:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:31:37,860 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:31:37,860 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:31:37,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:37 BoogieIcfgContainer [2018-11-23 00:31:37,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:31:37,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:31:37,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:31:37,864 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:31:37,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:31:36" (1/3) ... [2018-11-23 00:31:37,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac7734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:31:37, skipping insertion in model container [2018-11-23 00:31:37,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:36" (2/3) ... [2018-11-23 00:31:37,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac7734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:31:37, skipping insertion in model container [2018-11-23 00:31:37,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:37" (3/3) ... [2018-11-23 00:31:37,867 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05_true-unreach-call_false-termination.c [2018-11-23 00:31:37,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:31:37,878 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:31:37,887 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:31:37,910 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:31:37,910 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:31:37,910 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:31:37,910 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:31:37,910 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:31:37,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:31:37,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:31:37,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:31:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 00:31:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 00:31:37,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:37,937 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:37,939 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:37,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2018-11-23 00:31:37,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:37,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:37,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:37,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:37,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:38,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:38,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:31:38,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:38,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:31:38,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:31:38,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:31:38,256 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 00:31:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:38,787 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 00:31:38,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:31:38,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-23 00:31:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:38,800 INFO L225 Difference]: With dead ends: 618 [2018-11-23 00:31:38,800 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 00:31:38,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:31:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 00:31:38,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 00:31:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 00:31:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 00:31:38,852 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 132 [2018-11-23 00:31:38,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:38,853 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 00:31:38,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:31:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 00:31:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 00:31:38,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:38,857 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:38,858 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:38,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:38,859 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2018-11-23 00:31:38,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:38,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:38,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:38,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:38,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:39,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:39,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:31:39,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:39,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:31:39,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:31:39,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:31:39,050 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 5 states. [2018-11-23 00:31:39,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:39,529 INFO L93 Difference]: Finished difference Result 898 states and 1492 transitions. [2018-11-23 00:31:39,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:31:39,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-23 00:31:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:39,532 INFO L225 Difference]: With dead ends: 898 [2018-11-23 00:31:39,533 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 00:31:39,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:31:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 00:31:39,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-23 00:31:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 00:31:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 600 transitions. [2018-11-23 00:31:39,551 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 600 transitions. Word has length 140 [2018-11-23 00:31:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:39,551 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 600 transitions. [2018-11-23 00:31:39,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:31:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 600 transitions. [2018-11-23 00:31:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 00:31:39,553 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:39,554 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 00:31:39,554 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:39,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:39,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2067720747, now seen corresponding path program 1 times [2018-11-23 00:31:39,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:39,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:39,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:39,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:39,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:39,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:39,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:31:39,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:39,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:31:39,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:31:39,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:31:39,738 INFO L87 Difference]: Start difference. First operand 379 states and 600 transitions. Second operand 5 states. [2018-11-23 00:31:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:40,181 INFO L93 Difference]: Finished difference Result 896 states and 1477 transitions. [2018-11-23 00:31:40,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:31:40,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-11-23 00:31:40,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:40,184 INFO L225 Difference]: With dead ends: 896 [2018-11-23 00:31:40,184 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 00:31:40,186 INFO L631 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 [2018-11-23 00:31:40,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 00:31:40,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 00:31:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 00:31:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2018-11-23 00:31:40,195 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 146 [2018-11-23 00:31:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:40,196 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2018-11-23 00:31:40,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:31:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2018-11-23 00:31:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 00:31:40,198 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:40,199 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 00:31:40,199 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:40,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:40,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2018-11-23 00:31:40,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:40,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:40,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:40,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:40,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:40,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:40,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:31:40,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:40,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:31:40,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:31:40,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:31:40,287 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand 6 states. [2018-11-23 00:31:41,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:41,065 INFO L93 Difference]: Finished difference Result 1186 states and 1935 transitions. [2018-11-23 00:31:41,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:31:41,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-23 00:31:41,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:41,070 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 00:31:41,070 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 00:31:41,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:31:41,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 00:31:41,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 803. [2018-11-23 00:31:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 00:31:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1204 transitions. [2018-11-23 00:31:41,097 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1204 transitions. Word has length 154 [2018-11-23 00:31:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:41,097 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1204 transitions. [2018-11-23 00:31:41,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:31:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1204 transitions. [2018-11-23 00:31:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 00:31:41,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:41,100 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:41,100 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:41,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:41,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1394591014, now seen corresponding path program 1 times [2018-11-23 00:31:41,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:41,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:41,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:41,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:41,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:41,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:41,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:31:41,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:41,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:31:41,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:31:41,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:31:41,281 INFO L87 Difference]: Start difference. First operand 803 states and 1204 transitions. Second operand 5 states. [2018-11-23 00:31:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:41,725 INFO L93 Difference]: Finished difference Result 1744 states and 2660 transitions. [2018-11-23 00:31:41,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:31:41,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-11-23 00:31:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:41,729 INFO L225 Difference]: With dead ends: 1744 [2018-11-23 00:31:41,729 INFO L226 Difference]: Without dead ends: 800 [2018-11-23 00:31:41,730 INFO L631 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 [2018-11-23 00:31:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-23 00:31:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-23 00:31:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 00:31:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1186 transitions. [2018-11-23 00:31:41,745 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1186 transitions. Word has length 156 [2018-11-23 00:31:41,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:41,745 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1186 transitions. [2018-11-23 00:31:41,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:31:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1186 transitions. [2018-11-23 00:31:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 00:31:41,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:41,747 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:41,747 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:41,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:41,747 INFO L82 PathProgramCache]: Analyzing trace with hash 124353046, now seen corresponding path program 1 times [2018-11-23 00:31:41,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:41,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:41,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:41,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:41,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:41,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:41,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:31:41,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:41,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:31:41,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:31:41,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:31:41,859 INFO L87 Difference]: Start difference. First operand 800 states and 1186 transitions. Second operand 5 states. [2018-11-23 00:31:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:42,217 INFO L93 Difference]: Finished difference Result 1738 states and 2621 transitions. [2018-11-23 00:31:42,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:31:42,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-23 00:31:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:42,220 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 00:31:42,220 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 00:31:42,223 INFO L631 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 [2018-11-23 00:31:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 00:31:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2018-11-23 00:31:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-23 00:31:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1165 transitions. [2018-11-23 00:31:42,241 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1165 transitions. Word has length 158 [2018-11-23 00:31:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:42,241 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1165 transitions. [2018-11-23 00:31:42,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:31:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1165 transitions. [2018-11-23 00:31:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 00:31:42,244 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:42,244 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:42,245 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:42,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:42,245 INFO L82 PathProgramCache]: Analyzing trace with hash 660846734, now seen corresponding path program 1 times [2018-11-23 00:31:42,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:42,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:42,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:42,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:42,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:42,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:31:42,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:31:42,324 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:42,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:31:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:31:42,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:31:42,327 INFO L87 Difference]: Start difference. First operand 797 states and 1165 transitions. Second operand 6 states. [2018-11-23 00:31:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:42,929 INFO L93 Difference]: Finished difference Result 2367 states and 3607 transitions. [2018-11-23 00:31:42,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:31:42,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-23 00:31:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:42,936 INFO L225 Difference]: With dead ends: 2367 [2018-11-23 00:31:42,936 INFO L226 Difference]: Without dead ends: 1576 [2018-11-23 00:31:42,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:31:42,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-23 00:31:42,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1550. [2018-11-23 00:31:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-23 00:31:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2217 transitions. [2018-11-23 00:31:42,974 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2217 transitions. Word has length 162 [2018-11-23 00:31:42,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:42,974 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2217 transitions. [2018-11-23 00:31:42,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:31:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2217 transitions. [2018-11-23 00:31:42,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 00:31:42,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:42,980 INFO L402 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, 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] [2018-11-23 00:31:42,980 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:42,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:42,980 INFO L82 PathProgramCache]: Analyzing trace with hash -390409458, now seen corresponding path program 1 times [2018-11-23 00:31:42,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:42,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:42,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:42,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:42,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:43,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:31:43,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:31:43,053 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-23 00:31:43,054 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 00:31:43,089 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:31:43,089 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:31:43,568 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:31:43,569 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 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. [2018-11-23 00:31:43,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:43,575 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:31:43,929 INFO L227 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 82.75% of their original sizes. [2018-11-23 00:31:43,930 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:31:43,997 INFO L415 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-11-23 00:31:43,997 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:31:43,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:31:43,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:31:43,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:43,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:31:44,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:31:44,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:31:44,000 INFO L87 Difference]: Start difference. First operand 1550 states and 2217 transitions. Second operand 10 states. [2018-11-23 00:31:48,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:48,473 INFO L93 Difference]: Finished difference Result 3902 states and 5544 transitions. [2018-11-23 00:31:48,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 00:31:48,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-11-23 00:31:48,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:48,478 INFO L225 Difference]: With dead ends: 3902 [2018-11-23 00:31:48,478 INFO L226 Difference]: Without dead ends: 2358 [2018-11-23 00:31:48,481 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 00:31:48,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2018-11-23 00:31:48,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2289. [2018-11-23 00:31:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2018-11-23 00:31:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3065 transitions. [2018-11-23 00:31:48,513 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3065 transitions. Word has length 196 [2018-11-23 00:31:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:48,513 INFO L480 AbstractCegarLoop]: Abstraction has 2289 states and 3065 transitions. [2018-11-23 00:31:48,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:31:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3065 transitions. [2018-11-23 00:31:48,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 00:31:48,518 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:48,518 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:31:48,518 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:48,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:48,519 INFO L82 PathProgramCache]: Analyzing trace with hash -2027142497, now seen corresponding path program 1 times [2018-11-23 00:31:48,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:48,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:48,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:48,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:48,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:48,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:31:48,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:31:48,624 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-23 00:31:48,624 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 00:31:48,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:31:48,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:31:48,860 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:31:48,860 INFO L272 AbstractInterpreter]: Visited 138 different actions 407 times. Merged at 7 different actions 15 times. Never widened. Performed 4799 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4799 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 00:31:48,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:48,862 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:31:48,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:31:48,862 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/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 [2018-11-23 00:31:48,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:48,910 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:31:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:48,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:31:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:31:49,049 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:31:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:31:49,142 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:31:49,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 00:31:49,142 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:31:49,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 00:31:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 00:31:49,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:31:49,143 INFO L87 Difference]: Start difference. First operand 2289 states and 3065 transitions. Second operand 14 states. [2018-11-23 00:31:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:50,793 INFO L93 Difference]: Finished difference Result 7693 states and 10742 transitions. [2018-11-23 00:31:50,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 00:31:50,793 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 200 [2018-11-23 00:31:50,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:50,802 INFO L225 Difference]: With dead ends: 7693 [2018-11-23 00:31:50,802 INFO L226 Difference]: Without dead ends: 3585 [2018-11-23 00:31:50,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 412 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 00:31:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2018-11-23 00:31:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3561. [2018-11-23 00:31:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3561 states. [2018-11-23 00:31:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 4185 transitions. [2018-11-23 00:31:50,879 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 4185 transitions. Word has length 200 [2018-11-23 00:31:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:50,879 INFO L480 AbstractCegarLoop]: Abstraction has 3561 states and 4185 transitions. [2018-11-23 00:31:50,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 00:31:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 4185 transitions. [2018-11-23 00:31:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 00:31:50,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:31:50,886 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 00:31:50,886 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:31:50,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2018-11-23 00:31:50,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:31:50,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:50,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:50,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:50,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:31:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:51,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:31:51,050 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:31:51,050 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-23 00:31:51,051 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 00:31:51,054 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:31:51,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:31:51,344 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:31:51,344 INFO L272 AbstractInterpreter]: Visited 137 different actions 404 times. Merged at 6 different actions 15 times. Never widened. Performed 4819 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 00:31:51,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:51,350 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:31:51,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:31:51,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/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 [2018-11-23 00:31:51,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:51,356 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:31:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:51,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:31:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:31:51,466 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:31:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:31:51,535 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:31:51,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 00:31:51,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:31:51,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:31:51,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:31:51,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:31:51,536 INFO L87 Difference]: Start difference. First operand 3561 states and 4185 transitions. Second operand 3 states. [2018-11-23 00:31:51,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:31:51,871 INFO L93 Difference]: Finished difference Result 6890 states and 8240 transitions. [2018-11-23 00:31:51,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:31:51,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-11-23 00:31:51,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:31:51,873 INFO L225 Difference]: With dead ends: 6890 [2018-11-23 00:31:51,873 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:31:51,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 432 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:31:51,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:31:51,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:31:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:31:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:31:51,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-11-23 00:31:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:31:51,882 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:31:51,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:31:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:31:51,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:31:51,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:31:51,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:51,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:31:52,532 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2018-11-23 00:31:52,689 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2018-11-23 00:31:52,846 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 54 [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L444 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)|)) [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 00:31:52,848 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 00:31:52,849 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,850 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 00:31:52,851 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 00:31:52,852 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 00:31:52,853 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 00:31:52,854 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 00:31:52,855 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 00:31:52,856 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,857 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L444 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)))) [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,858 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 00:31:52,859 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 00:31:52,860 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:31:52,861 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 00:31:52,861 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:31:52,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:31:52,862 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 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)|))) [2018-11-23 00:31:52,862 INFO L444 ceAbstractionStarter]: At program point L606-2(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)) (.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)|)))) [2018-11-23 00:31:52,862 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 00:31:52,862 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 00:31:52,862 INFO L444 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)|)))) [2018-11-23 00:31:52,862 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 00:31:52,862 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 00:31:52,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:31:52 BoogieIcfgContainer [2018-11-23 00:31:52,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:31:52,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:31:52,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:31:52,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:31:52,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:37" (3/4) ... [2018-11-23 00:31:52,875 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:31:52,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:31:52,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:31:52,881 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:31:52,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:31:52,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:31:52,914 WARN L221 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))) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8)) && a28 <= 9)) || !(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)) [2018-11-23 00:31:52,979 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e5ca09b-b74f-4728-bd62-2abdd451716d/bin-2019/utaipan/witness.graphml [2018-11-23 00:31:52,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:31:52,980 INFO L168 Benchmark]: Toolchain (without parser) took 16551.68 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 607.1 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -295.0 MB). Peak memory consumption was 312.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,980 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:31:52,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.68 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,981 INFO L168 Benchmark]: Boogie Preprocessor took 50.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,981 INFO L168 Benchmark]: RCFGBuilder took 950.60 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,981 INFO L168 Benchmark]: TraceAbstraction took 15009.99 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 465.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -251.2 MB). Peak memory consumption was 669.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,982 INFO L168 Benchmark]: Witness Printer took 107.19 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:52,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.68 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 950.60 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15009.99 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 465.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -251.2 MB). Peak memory consumption was 669.6 MB. Max. memory is 11.5 GB. * Witness Printer took 107.19 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 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))) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8)) && a28 <= 9)) || !(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, 236 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 10.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1187 SDtfs, 8277 SDslu, 1458 SDs, 0 SdLazy, 9520 SolverSat, 2045 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1145 GetRequests, 1053 SyntacticMatches, 10 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3561occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9976522994170052 AbsIntWeakeningRatio, 0.16923076923076924 AbsIntAvgWeakeningVarsNumRemoved, 26.866666666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 178 NumberOfFragments, 668 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2770 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3041 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2078 NumberOfCodeBlocks, 2078 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2481 ConstructedInterpolants, 0 QuantifiedInterpolants, 2005419 SizeOfPredicates, 2 NumberOfNonLiveVariables, 983 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 757/791 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...