./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:00:22,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:00:22,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:00:22,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:00:22,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:00:22,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:00:22,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:00:22,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:00:22,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:00:22,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:00:22,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:00:22,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:00:22,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:00:22,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:00:22,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:00:22,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:00:22,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:00:22,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:00:22,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:00:22,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:00:22,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:00:22,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:00:22,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:00:22,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:00:22,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:00:22,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:00:22,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:00:22,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:00:22,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:00:22,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:00:22,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:00:22,611 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:00:22,612 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:00:22,612 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:00:22,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:00:22,613 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:00:22,613 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:00:22,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:00:22,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:00:22,624 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:00:22,624 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:00:22,624 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:00:22,625 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:00:22,625 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:00:22,625 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:00:22,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:00:22,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:00:22,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:00:22,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:00:22,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:00:22,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:00:22,629 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:00:22,629 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_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-11-18 14:00:22,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:00:22,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:00:22,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:00:22,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:00:22,665 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:00:22,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-11-18 14:00:22,708 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/data/27cbff575/77b36e5882024ceb8fdf4599adcf69df/FLAG20394c462 [2018-11-18 14:00:23,152 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:00:23,153 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-11-18 14:00:23,162 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/data/27cbff575/77b36e5882024ceb8fdf4599adcf69df/FLAG20394c462 [2018-11-18 14:00:23,173 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/data/27cbff575/77b36e5882024ceb8fdf4599adcf69df [2018-11-18 14:00:23,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:00:23,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:00:23,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:00:23,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:00:23,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:00:23,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23, skipping insertion in model container [2018-11-18 14:00:23,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:00:23,225 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:00:23,440 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:00:23,444 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:00:23,506 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:00:23,519 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:00:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23 WrapperNode [2018-11-18 14:00:23,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:00:23,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:00:23,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:00:23,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:00:23,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:00:23,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:00:23,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:00:23,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:00:23,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... [2018-11-18 14:00:23,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:00:23,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:00:23,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:00:23,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:00:23,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:00:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:00:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:00:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:00:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:00:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:00:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:00:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:00:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:00:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:00:24,359 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:00:24,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:24 BoogieIcfgContainer [2018-11-18 14:00:24,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:00:24,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:00:24,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:00:24,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:00:24,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:00:23" (1/3) ... [2018-11-18 14:00:24,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:00:24, skipping insertion in model container [2018-11-18 14:00:24,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:23" (2/3) ... [2018-11-18 14:00:24,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:00:24, skipping insertion in model container [2018-11-18 14:00:24,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:24" (3/3) ... [2018-11-18 14:00:24,366 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-11-18 14:00:24,371 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:00:24,376 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:00:24,385 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:00:24,408 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:00:24,408 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:00:24,408 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:00:24,408 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:00:24,408 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:00:24,408 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:00:24,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:00:24,409 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:00:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 14:00:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 14:00:24,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:24,435 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:24,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:24,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1783395935, now seen corresponding path program 1 times [2018-11-18 14:00:24,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:24,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:24,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:24,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:24,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:24,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:00:24,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:00:24,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:24,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:00:24,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:24,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:00:24,807 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 14:00:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:25,387 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 14:00:25,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:25,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-11-18 14:00:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:25,400 INFO L225 Difference]: With dead ends: 618 [2018-11-18 14:00:25,400 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 14:00:25,404 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:00:25,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 14:00:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 14:00:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 14:00:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 14:00:25,450 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 143 [2018-11-18 14:00:25,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:25,450 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 14:00:25,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:00:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 14:00:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:00:25,454 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:25,455 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:25,455 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:25,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:25,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1923545450, now seen corresponding path program 1 times [2018-11-18 14:00:25,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:25,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:25,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:25,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:00:25,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:00:25,568 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:25,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:00:25,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:00:25,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:00:25,570 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 14:00:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:26,276 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-18 14:00:26,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:00:26,277 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-18 14:00:26,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:26,283 INFO L225 Difference]: With dead ends: 1229 [2018-11-18 14:00:26,283 INFO L226 Difference]: Without dead ends: 856 [2018-11-18 14:00:26,286 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:00:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-18 14:00:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-18 14:00:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-18 14:00:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-18 14:00:26,320 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 159 [2018-11-18 14:00:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:26,321 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-18 14:00:26,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:00:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-18 14:00:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 14:00:26,324 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:26,325 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:26,325 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:26,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 497696213, now seen corresponding path program 1 times [2018-11-18 14:00:26,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:26,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:26,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:26,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:00:26,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:00:26,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:26,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:00:26,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:00:26,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:00:26,430 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-18 14:00:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:27,094 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-18 14:00:27,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:00:27,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-18 14:00:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:27,102 INFO L225 Difference]: With dead ends: 2557 [2018-11-18 14:00:27,102 INFO L226 Difference]: Without dead ends: 1740 [2018-11-18 14:00:27,105 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:00:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-18 14:00:27,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-18 14:00:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-18 14:00:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-18 14:00:27,143 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 166 [2018-11-18 14:00:27,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:27,143 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-18 14:00:27,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:00:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-18 14:00:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 14:00:27,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:27,148 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:27,148 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:27,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:27,148 INFO L82 PathProgramCache]: Analyzing trace with hash 698255549, now seen corresponding path program 1 times [2018-11-18 14:00:27,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:27,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:27,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:27,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:27,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:00:27,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:27,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:27,242 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-18 14:00:27,244 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:27,274 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:27,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:27,626 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:00:27,627 INFO L272 AbstractInterpreter]: Visited 144 different actions 144 times. Never merged. Never widened. Performed 1556 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1556 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 14:00:27,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:27,646 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:00:27,878 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.37% of their original sizes. [2018-11-18 14:00:27,878 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:00:27,913 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-18 14:00:27,913 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:00:27,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:27,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 14:00:27,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:27,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:00:27,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:00:27,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:00:27,915 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-18 14:00:29,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:29,014 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-18 14:00:29,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:00:29,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-18 14:00:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:29,019 INFO L225 Difference]: With dead ends: 3506 [2018-11-18 14:00:29,020 INFO L226 Difference]: Without dead ends: 1830 [2018-11-18 14:00:29,022 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:00:29,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-18 14:00:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-18 14:00:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-18 14:00:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-18 14:00:29,049 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 168 [2018-11-18 14:00:29,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:29,049 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-18 14:00:29,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:00:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-18 14:00:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 14:00:29,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:29,053 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:29,053 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:29,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:29,053 INFO L82 PathProgramCache]: Analyzing trace with hash -2055274082, now seen corresponding path program 1 times [2018-11-18 14:00:29,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:29,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:29,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:29,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:29,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:00:29,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:29,143 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:29,143 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-18 14:00:29,144 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:29,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:29,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:29,477 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:00:29,477 INFO L272 AbstractInterpreter]: Visited 148 different actions 440 times. Merged at 7 different actions 18 times. Never widened. Performed 4855 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4855 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:29,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:29,486 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:00:29,668 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 85.07% of their original sizes. [2018-11-18 14:00:29,669 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:00:29,716 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-11-18 14:00:29,716 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:00:29,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:29,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 14:00:29,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:29,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:00:29,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:00:29,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:00:29,717 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-18 14:00:33,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:33,037 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-18 14:00:33,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:00:33,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2018-11-18 14:00:33,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:33,046 INFO L225 Difference]: With dead ends: 4531 [2018-11-18 14:00:33,046 INFO L226 Difference]: Without dead ends: 2710 [2018-11-18 14:00:33,051 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:00:33,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-18 14:00:33,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-18 14:00:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-18 14:00:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-18 14:00:33,107 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 178 [2018-11-18 14:00:33,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:33,107 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-18 14:00:33,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:00:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-18 14:00:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:00:33,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:33,114 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:33,114 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:33,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash 372209646, now seen corresponding path program 1 times [2018-11-18 14:00:33,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:33,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:33,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:33,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:33,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:33,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:33,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:33,271 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-18 14:00:33,272 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], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:33,276 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:33,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:33,588 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:33,588 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Performed 5103 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:33,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:33,594 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:33,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:33,595 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:33,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:33,603 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:33,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:33,702 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:33,789 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:33,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-11-18 14:00:33,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:33,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:00:33,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:33,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:33,790 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 3 states. [2018-11-18 14:00:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:34,157 INFO L93 Difference]: Finished difference Result 6645 states and 9758 transitions. [2018-11-18 14:00:34,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:34,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-11-18 14:00:34,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:34,169 INFO L225 Difference]: With dead ends: 6645 [2018-11-18 14:00:34,169 INFO L226 Difference]: Without dead ends: 4018 [2018-11-18 14:00:34,174 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:34,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4018 states. [2018-11-18 14:00:34,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4018 to 4011. [2018-11-18 14:00:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4011 states. [2018-11-18 14:00:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4011 states to 4011 states and 5526 transitions. [2018-11-18 14:00:34,230 INFO L78 Accepts]: Start accepts. Automaton has 4011 states and 5526 transitions. Word has length 180 [2018-11-18 14:00:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:34,231 INFO L480 AbstractCegarLoop]: Abstraction has 4011 states and 5526 transitions. [2018-11-18 14:00:34,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:00:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4011 states and 5526 transitions. [2018-11-18 14:00:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 14:00:34,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:34,238 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:34,239 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:34,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:34,239 INFO L82 PathProgramCache]: Analyzing trace with hash 376466040, now seen corresponding path program 1 times [2018-11-18 14:00:34,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:34,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:34,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:34,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:34,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:34,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-18 14:00:34,327 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:34,330 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:34,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:34,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:34,566 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Performed 4930 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4930 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:34,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:34,570 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:34,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:34,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:34,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:34,575 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:34,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:34,674 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:34,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:00:34,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:00:34,735 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:00:34,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:00:34,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:00:34,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:00:34,736 INFO L87 Difference]: Start difference. First operand 4011 states and 5526 transitions. Second operand 9 states. [2018-11-18 14:00:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:35,391 INFO L93 Difference]: Finished difference Result 9774 states and 13882 transitions. [2018-11-18 14:00:35,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:00:35,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-11-18 14:00:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:35,412 INFO L225 Difference]: With dead ends: 9774 [2018-11-18 14:00:35,413 INFO L226 Difference]: Without dead ends: 5769 [2018-11-18 14:00:35,423 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 374 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:00:35,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2018-11-18 14:00:35,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5675. [2018-11-18 14:00:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5675 states. [2018-11-18 14:00:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 7781 transitions. [2018-11-18 14:00:35,546 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 7781 transitions. Word has length 189 [2018-11-18 14:00:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:35,547 INFO L480 AbstractCegarLoop]: Abstraction has 5675 states and 7781 transitions. [2018-11-18 14:00:35,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:00:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 7781 transitions. [2018-11-18 14:00:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 14:00:35,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:35,558 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:35,558 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:35,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:35,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1415888768, now seen corresponding path program 1 times [2018-11-18 14:00:35,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:35,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:35,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:35,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:35,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:35,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:35,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:35,635 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-18 14:00:35,636 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], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:35,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:35,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:35,901 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:35,901 INFO L272 AbstractInterpreter]: Visited 148 different actions 438 times. Merged at 7 different actions 18 times. Never widened. Performed 5018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:35,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:35,904 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:35,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:35,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:35,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:35,912 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:35,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:36,047 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:36,101 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:36,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 14:00:36,102 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:36,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:00:36,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:36,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:36,102 INFO L87 Difference]: Start difference. First operand 5675 states and 7781 transitions. Second operand 3 states. [2018-11-18 14:00:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:36,464 INFO L93 Difference]: Finished difference Result 14095 states and 19668 transitions. [2018-11-18 14:00:36,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:36,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-11-18 14:00:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:36,484 INFO L225 Difference]: With dead ends: 14095 [2018-11-18 14:00:36,484 INFO L226 Difference]: Without dead ends: 8426 [2018-11-18 14:00:36,495 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2018-11-18 14:00:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8393. [2018-11-18 14:00:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8393 states. [2018-11-18 14:00:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8393 states to 8393 states and 10773 transitions. [2018-11-18 14:00:36,610 INFO L78 Accepts]: Start accepts. Automaton has 8393 states and 10773 transitions. Word has length 193 [2018-11-18 14:00:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:36,611 INFO L480 AbstractCegarLoop]: Abstraction has 8393 states and 10773 transitions. [2018-11-18 14:00:36,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:00:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8393 states and 10773 transitions. [2018-11-18 14:00:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 14:00:36,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:36,620 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:36,620 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:36,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:36,621 INFO L82 PathProgramCache]: Analyzing trace with hash -955817589, now seen corresponding path program 1 times [2018-11-18 14:00:36,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:36,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:36,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:36,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:36,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:00:36,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:36,676 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:36,676 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-18 14:00:36,676 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:36,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:36,679 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:36,863 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:36,864 INFO L272 AbstractInterpreter]: Visited 149 different actions 451 times. Merged at 8 different actions 28 times. Widened at 1 different actions 1 times. Performed 5121 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 14:00:36,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:36,865 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:36,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:36,865 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:36,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:36,871 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:36,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:36,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:00:37,063 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:00:37,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 14:00:37,063 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:00:37,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:00:37,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:00:37,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:00:37,064 INFO L87 Difference]: Start difference. First operand 8393 states and 10773 transitions. Second operand 9 states. [2018-11-18 14:00:38,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:38,841 INFO L93 Difference]: Finished difference Result 17367 states and 22667 transitions. [2018-11-18 14:00:38,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-18 14:00:38,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-11-18 14:00:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:38,856 INFO L225 Difference]: With dead ends: 17367 [2018-11-18 14:00:38,856 INFO L226 Difference]: Without dead ends: 5739 [2018-11-18 14:00:38,881 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 14:00:38,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5739 states. [2018-11-18 14:00:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5739 to 5486. [2018-11-18 14:00:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 14:00:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6227 transitions. [2018-11-18 14:00:38,970 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6227 transitions. Word has length 209 [2018-11-18 14:00:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:38,971 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6227 transitions. [2018-11-18 14:00:38,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:00:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6227 transitions. [2018-11-18 14:00:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 14:00:38,982 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:38,982 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:38,983 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:38,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:38,983 INFO L82 PathProgramCache]: Analyzing trace with hash -2032766019, now seen corresponding path program 1 times [2018-11-18 14:00:38,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:38,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:38,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:38,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:38,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:00:39,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:39,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:39,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-11-18 14:00:39,129 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], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:39,132 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:39,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:39,418 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:39,418 INFO L272 AbstractInterpreter]: Visited 151 different actions 590 times. Merged at 8 different actions 26 times. Never widened. Performed 6847 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 14:00:39,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:39,422 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:39,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:39,422 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:39,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:39,428 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:39,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 14:00:39,509 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:00:39,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:00:39,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-18 14:00:39,602 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:00:39,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:00:39,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:00:39,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 14:00:39,603 INFO L87 Difference]: Start difference. First operand 5486 states and 6227 transitions. Second operand 13 states. [2018-11-18 14:00:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:40,716 INFO L93 Difference]: Finished difference Result 11659 states and 13787 transitions. [2018-11-18 14:00:40,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 14:00:40,717 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2018-11-18 14:00:40,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:40,727 INFO L225 Difference]: With dead ends: 11659 [2018-11-18 14:00:40,727 INFO L226 Difference]: Without dead ends: 6573 [2018-11-18 14:00:40,732 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 14:00:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2018-11-18 14:00:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 5374. [2018-11-18 14:00:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5374 states. [2018-11-18 14:00:40,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5374 states to 5374 states and 6163 transitions. [2018-11-18 14:00:40,823 INFO L78 Accepts]: Start accepts. Automaton has 5374 states and 6163 transitions. Word has length 265 [2018-11-18 14:00:40,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:40,823 INFO L480 AbstractCegarLoop]: Abstraction has 5374 states and 6163 transitions. [2018-11-18 14:00:40,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:00:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5374 states and 6163 transitions. [2018-11-18 14:00:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 14:00:40,833 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:40,833 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:40,834 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:40,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:40,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1609183519, now seen corresponding path program 1 times [2018-11-18 14:00:40,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:40,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:40,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:40,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:40,835 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 128 proven. 44 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:00:40,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:40,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:40,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-18 14:00:40,957 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:40,959 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:40,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:41,058 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:00:41,058 INFO L272 AbstractInterpreter]: Visited 149 different actions 291 times. Merged at 5 different actions 5 times. Never widened. Performed 3107 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3107 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 14:00:41,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:41,062 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:00:41,291 INFO L227 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-18 14:00:41,291 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:00:41,344 INFO L415 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-11-18 14:00:41,344 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:00:41,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:41,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-18 14:00:41,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:41,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:00:41,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:00:41,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:00:41,346 INFO L87 Difference]: Start difference. First operand 5374 states and 6163 transitions. Second operand 11 states. [2018-11-18 14:00:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:43,385 INFO L93 Difference]: Finished difference Result 13187 states and 15255 transitions. [2018-11-18 14:00:43,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 14:00:43,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 271 [2018-11-18 14:00:43,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:43,397 INFO L225 Difference]: With dead ends: 13187 [2018-11-18 14:00:43,397 INFO L226 Difference]: Without dead ends: 7964 [2018-11-18 14:00:43,403 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:00:43,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2018-11-18 14:00:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 7932. [2018-11-18 14:00:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7932 states. [2018-11-18 14:00:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7932 states to 7932 states and 9097 transitions. [2018-11-18 14:00:43,498 INFO L78 Accepts]: Start accepts. Automaton has 7932 states and 9097 transitions. Word has length 271 [2018-11-18 14:00:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:43,498 INFO L480 AbstractCegarLoop]: Abstraction has 7932 states and 9097 transitions. [2018-11-18 14:00:43,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:00:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 7932 states and 9097 transitions. [2018-11-18 14:00:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-18 14:00:43,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:43,510 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:00:43,511 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:43,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:43,511 INFO L82 PathProgramCache]: Analyzing trace with hash 581149415, now seen corresponding path program 1 times [2018-11-18 14:00:43,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:43,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:43,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:43,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 201 proven. 44 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 14:00:43,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:43,655 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:43,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-11-18 14:00:43,655 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:43,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:43,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:43,971 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:43,971 INFO L272 AbstractInterpreter]: Visited 154 different actions 760 times. Merged at 9 different actions 47 times. Widened at 1 different actions 2 times. Performed 8947 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:43,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:43,974 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:43,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:43,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:43,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:43,980 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:44,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 14:00:44,142 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 14:00:44,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:00:44,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 14:00:44,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:44,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:00:44,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:44,207 INFO L87 Difference]: Start difference. First operand 7932 states and 9097 transitions. Second operand 3 states. [2018-11-18 14:00:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:44,463 INFO L93 Difference]: Finished difference Result 12499 states and 14313 transitions. [2018-11-18 14:00:44,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:44,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2018-11-18 14:00:44,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:44,477 INFO L225 Difference]: With dead ends: 12499 [2018-11-18 14:00:44,478 INFO L226 Difference]: Without dead ends: 7583 [2018-11-18 14:00:44,485 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:00:44,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7583 states. [2018-11-18 14:00:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7583 to 7455. [2018-11-18 14:00:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7455 states. [2018-11-18 14:00:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7455 states to 7455 states and 8411 transitions. [2018-11-18 14:00:44,592 INFO L78 Accepts]: Start accepts. Automaton has 7455 states and 8411 transitions. Word has length 305 [2018-11-18 14:00:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:44,593 INFO L480 AbstractCegarLoop]: Abstraction has 7455 states and 8411 transitions. [2018-11-18 14:00:44,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:00:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7455 states and 8411 transitions. [2018-11-18 14:00:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-18 14:00:44,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:44,603 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:44,603 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:44,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:44,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1360438372, now seen corresponding path program 1 times [2018-11-18 14:00:44,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:44,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:44,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:44,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:44,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 253 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:00:44,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:44,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:44,866 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-18 14:00:44,866 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:00:44,868 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:44,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:45,130 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:00:45,130 INFO L272 AbstractInterpreter]: Visited 151 different actions 597 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6923 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6923 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:00:45,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:45,135 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:00:45,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:45,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:00:45,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:45,149 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:00:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:45,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:00:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 14:00:45,250 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:00:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 14:00:45,335 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:45,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-18 14:00:45,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:45,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:00:45,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:45,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:00:45,336 INFO L87 Difference]: Start difference. First operand 7455 states and 8411 transitions. Second operand 3 states. [2018-11-18 14:00:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:45,549 INFO L93 Difference]: Finished difference Result 8973 states and 10029 transitions. [2018-11-18 14:00:45,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:45,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-11-18 14:00:45,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:45,550 INFO L225 Difference]: With dead ends: 8973 [2018-11-18 14:00:45,550 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:00:45,561 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:00:45,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:00:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:00:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:00:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:00:45,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-11-18 14:00:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:45,562 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:00:45,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:00:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:00:45,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:00:45,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:00:45,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,881 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 111 [2018-11-18 14:00:45,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:45,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:00:46,096 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 126 [2018-11-18 14:00:47,002 WARN L180 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 72 [2018-11-18 14:00:47,251 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2018-11-18 14:00:47,576 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 57 [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,578 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,579 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 14:00:47,580 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 14:00:47,581 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 14:00:47,582 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 14:00:47,583 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 14:00:47,584 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 14:00:47,585 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 14:00:47,586 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 14:00:47,587 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse17 (= ~a11~0 1)) (.cse25 (= 1 |old(~a25~0)|)) (.cse24 (= |old(~a28~0)| ~a28~0)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse23 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|))) (let ((.cse2 (not (= 0 |old(~a11~0)|))) (.cse4 (= ~a11~0 0)) (.cse20 (and (<= ~a17~0 |old(~a17~0)|) .cse24 .cse3 .cse23 .cse7)) (.cse1 (not (= 1 ~a21~0))) (.cse10 (not .cse25)) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse15 (= 0 |old(~a28~0)|)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse19 (= |calculate_output_#in~input| 0)) (.cse5 (= ~a17~0 8)) (.cse16 (= ~a19~0 1)) (.cse0 (< 10 |old(~a28~0)|)) (.cse18 (= 8 |old(~a28~0)|)) (.cse21 (< 7 |old(~a17~0)|)) (.cse11 (and (= |old(~a17~0)| ~a17~0) .cse3 .cse6 .cse17 .cse7)) (.cse9 (< 7 |old(~a28~0)|)) (.cse22 (= |old(~a11~0)| |old(~a19~0)|)) (.cse12 (< 8 |old(~a17~0)|)) (.cse13 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse10 .cse11 (= 7 |old(~a17~0)|) .cse12 .cse13) (or .cse0 .cse1 .cse14 .cse15 (and .cse5 .cse16 .cse6 .cse17 .cse7) .cse18 .cse8 .cse19 .cse13) (or .cse9 .cse20 .cse21) (or .cse1 .cse10 .cse2 .cse19 (and .cse4 .cse5 .cse16 .cse6 .cse7) .cse14 .cse8) (or .cse20 .cse10 .cse22 .cse21) (or .cse20 .cse0 (< 0 |old(~a19~0)|) .cse21) (or .cse1 .cse9 .cse10 .cse14 .cse15 .cse8 .cse19 (and .cse23 .cse24 .cse5 .cse16 .cse7)) (or .cse0 .cse11 .cse18 .cse13 .cse25 .cse21) (or .cse11 .cse9 .cse22 .cse12 .cse13 .cse25)))) [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,588 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,589 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 14:00:47,590 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 14:00:47,591 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:00:47,592 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 14:00:47,592 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:00:47,592 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:00:47,593 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 14:00:47,593 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 14:00:47,593 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 8))) (.cse6 (not (= ~a28~0 0))) (.cse1 (<= ~a28~0 7)) (.cse10 (<= ~a17~0 8)) (.cse8 (= ~a11~0 1)) (.cse2 (= ~a11~0 0)) (.cse4 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse0 (<= ~a17~0 7)) (.cse9 (= 1 ~a25~0)) (.cse3 (<= ~a28~0 10)) (.cse11 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse3 .cse4) (and .cse3 .cse5 .cse6 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse8) (and .cse0 (<= ~a19~0 0) .cse3 .cse11) (and .cse0 (not (= ~a25~0 1)) .cse5 .cse3 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse6 .cse9 .cse4 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse11 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse9 .cse2 .cse4 .cse7) (and .cse0 .cse9 .cse3 .cse11))) [2018-11-18 14:00:47,593 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 14:00:47,593 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 14:00:47,593 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse5 (= ~a19~0 1)) (.cse8 (= ~a11~0 0)) (.cse4 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 8))) (.cse10 (<= ~a28~0 7)) (.cse11 (<= ~a17~0 8)) (.cse6 (= ~a11~0 1)) (.cse9 (<= ~a17~0 7)) (.cse7 (= 1 ~a25~0)) (.cse2 (<= ~a28~0 10)) (.cse12 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse4 .cse5) (and .cse9 .cse10) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse10 .cse3 .cse7 .cse4 .cse5) (and .cse8 .cse2 .cse4) (and .cse10 .cse7 .cse11 .cse6) (and .cse9 (<= ~a19~0 0) .cse2 .cse12) (and .cse9 (not (= ~a25~0 1)) .cse1 .cse2 .cse6) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and .cse10 .cse12 .cse11 .cse6) (not (= 8 |old(~a17~0)|)) (and .cse9 .cse7 .cse2 .cse12))) [2018-11-18 14:00:47,593 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 14:00:47,593 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 14:00:47,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:00:47 BoogieIcfgContainer [2018-11-18 14:00:47,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:00:47,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:00:47,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:00:47,605 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:00:47,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:24" (3/4) ... [2018-11-18 14:00:47,608 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:00:47,613 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:00:47,613 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:00:47,613 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:00:47,622 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:00:47,622 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:00:47,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && a28 <= 7)) || !(0 == \old(a11))) || ((a11 == 0 && a28 <= 10) && a17 == 8)) || (((((a28 <= 10 && !(a28 == 8)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a11 == 1)) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1)) || (((a17 <= 7 && a19 <= 0) && a28 <= 10) && !(a19 == a11))) || ((((a17 <= 7 && !(a25 == 1)) && !(a28 == 8)) && a28 <= 10) && a11 == 1)) || !(0 == \old(a25))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || (((a28 <= 7 && !(a19 == a11)) && a17 <= 8) && a11 == 1)) || !(8 == \old(a17))) || (((1 == a25 && a11 == 0) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a25) && a28 <= 10) && !(a19 == a11)) [2018-11-18 14:00:47,700 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_49455f4f-1fdb-4221-88b9-b8d5bd9164b1/bin-2019/utaipan/witness.graphml [2018-11-18 14:00:47,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:00:47,700 INFO L168 Benchmark]: Toolchain (without parser) took 24523.92 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 956.4 MB in the beginning and 1.9 GB in the end (delta: -952.8 MB). Peak memory consumption was 457.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,701 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:00:47,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 921.4 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,701 INFO L168 Benchmark]: Boogie Preprocessor took 47.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,702 INFO L168 Benchmark]: RCFGBuilder took 714.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,702 INFO L168 Benchmark]: TraceAbstraction took 23244.45 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -894.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,702 INFO L168 Benchmark]: Witness Printer took 94.77 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:00:47,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 921.4 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 714.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23244.45 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -894.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 94.77 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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))) || (a17 <= 7 && a28 <= 7)) || !(0 == \old(a11))) || ((a11 == 0 && a28 <= 10) && a17 == 8)) || (((((a28 <= 10 && !(a28 == 8)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a11 == 1)) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1)) || (((a17 <= 7 && a19 <= 0) && a28 <= 10) && !(a19 == a11))) || ((((a17 <= 7 && !(a25 == 1)) && !(a28 == 8)) && a28 <= 10) && a11 == 1)) || !(0 == \old(a25))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || (((a28 <= 7 && !(a19 == a11)) && a17 <= 8) && a11 == 1)) || !(8 == \old(a17))) || (((1 == a25 && a11 == 0) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a25) && a28 <= 10) && !(a19 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 23.1s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 13.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2150 SDtfs, 9389 SDslu, 2171 SDs, 0 SdLazy, 13137 SolverSat, 2552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 4100 GetRequests, 3925 SyntacticMatches, 11 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8393occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.997334249561707 AbsIntWeakeningRatio, 0.19218241042345277 AbsIntAvgWeakeningVarsNumRemoved, 26.832247557003257 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 1917 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 311 PreInvPairs, 423 NumberOfFragments, 772 HoareAnnotationTreeSize, 311 FomulaSimplifications, 20761 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6137 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4385 NumberOfCodeBlocks, 4385 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6008 ConstructedInterpolants, 0 QuantifiedInterpolants, 2882289 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3658 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 27 InterpolantComputations, 10 PerfectInterpolantSequences, 3029/3310 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...