./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/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 6e679f9bfc379fa4fbede70512fc16896a5c333e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:40:12,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:40:12,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:40:12,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:40:12,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:40:12,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:40:12,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:40:12,444 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:40:12,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:40:12,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:40:12,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:40:12,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:40:12,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:40:12,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:40:12,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:40:12,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:40:12,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:40:12,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:40:12,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:40:12,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:40:12,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:40:12,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:40:12,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:40:12,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:40:12,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:40:12,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:40:12,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:40:12,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:40:12,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:40:12,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:40:12,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:40:12,463 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:40:12,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:40:12,464 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:40:12,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:40:12,466 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:40:12,466 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:40:12,476 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:40:12,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:40:12,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:40:12,477 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:40:12,477 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:40:12,478 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:40:12,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:40:12,478 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:40:12,478 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:40:12,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:40:12,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:40:12,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:40:12,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:40:12,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:40:12,481 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:40:12,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:40:12,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:40:12,481 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:40:12,481 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_d041ef34-071d-47a7-b6bd-1e5a47d199cd/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-11-22 23:40:12,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:40:12,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:40:12,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:40:12,513 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:40:12,513 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:40:12,514 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-22 23:40:12,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/data/13352afa4/3d614071fd6a466aa7aa6539bc0c290c/FLAG8beef3a11 [2018-11-22 23:40:12,900 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:40:12,900 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-22 23:40:12,911 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/data/13352afa4/3d614071fd6a466aa7aa6539bc0c290c/FLAG8beef3a11 [2018-11-22 23:40:12,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/data/13352afa4/3d614071fd6a466aa7aa6539bc0c290c [2018-11-22 23:40:12,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:40:12,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:40:12,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:40:12,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:40:12,931 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:40:12,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:40:12" (1/1) ... [2018-11-22 23:40:12,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130c2e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:12, skipping insertion in model container [2018-11-22 23:40:12,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:40:12" (1/1) ... [2018-11-22 23:40:12,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:40:12,976 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:40:13,211 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:40:13,214 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:40:13,282 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:40:13,293 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:40:13,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13 WrapperNode [2018-11-22 23:40:13,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:40:13,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:40:13,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:40:13,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:40:13,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:40:13,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:40:13,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:40:13,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:40:13,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... [2018-11-22 23:40:13,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:40:13,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:40:13,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:40:13,420 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:40:13,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/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 [2018-11-22 23:40:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:40:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:40:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:40:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:40:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:40:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:40:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:40:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:40:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:40:14,268 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:40:14,268 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:40:14,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:14 BoogieIcfgContainer [2018-11-22 23:40:14,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:40:14,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:40:14,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:40:14,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:40:14,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:40:12" (1/3) ... [2018-11-22 23:40:14,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461e48ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:40:14, skipping insertion in model container [2018-11-22 23:40:14,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:13" (2/3) ... [2018-11-22 23:40:14,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461e48ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:40:14, skipping insertion in model container [2018-11-22 23:40:14,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:14" (3/3) ... [2018-11-22 23:40:14,274 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-11-22 23:40:14,280 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:40:14,286 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:40:14,295 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:40:14,317 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:40:14,317 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:40:14,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:40:14,318 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:40:14,318 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:40:14,318 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:40:14,318 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:40:14,318 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:40:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-22 23:40:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:40:14,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:14,341 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:14,343 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:14,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:14,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812481, now seen corresponding path program 1 times [2018-11-22 23:40:14,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:14,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:14,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:14,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:14,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:14,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:14,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:40:14,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:14,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:40:14,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:40:14,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:40:14,590 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-22 23:40:15,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:15,267 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-22 23:40:15,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:40:15,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 23:40:15,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:15,279 INFO L225 Difference]: With dead ends: 571 [2018-11-22 23:40:15,279 INFO L226 Difference]: Without dead ends: 354 [2018-11-22 23:40:15,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:40:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-22 23:40:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-22 23:40:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-22 23:40:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-22 23:40:15,338 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 52 [2018-11-22 23:40:15,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:15,339 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-22 23:40:15,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:40:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-22 23:40:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-22 23:40:15,343 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:15,344 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:40:15,348 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:15,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1911288886, now seen corresponding path program 1 times [2018-11-22 23:40:15,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:15,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:15,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:15,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:15,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:15,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:15,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 23:40:15,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:15,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 23:40:15,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:40:15,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:40:15,470 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 5 states. [2018-11-22 23:40:16,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:16,320 INFO L93 Difference]: Finished difference Result 1282 states and 2308 transitions. [2018-11-22 23:40:16,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:40:16,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-22 23:40:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:16,326 INFO L225 Difference]: With dead ends: 1282 [2018-11-22 23:40:16,327 INFO L226 Difference]: Without dead ends: 934 [2018-11-22 23:40:16,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:40:16,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-11-22 23:40:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 922. [2018-11-22 23:40:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2018-11-22 23:40:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1440 transitions. [2018-11-22 23:40:16,374 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1440 transitions. Word has length 134 [2018-11-22 23:40:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:16,375 INFO L480 AbstractCegarLoop]: Abstraction has 922 states and 1440 transitions. [2018-11-22 23:40:16,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 23:40:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1440 transitions. [2018-11-22 23:40:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-22 23:40:16,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:16,379 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:40:16,379 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:16,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:16,380 INFO L82 PathProgramCache]: Analyzing trace with hash 614464170, now seen corresponding path program 1 times [2018-11-22 23:40:16,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:16,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:16,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:16,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:16,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:16,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:16,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:40:16,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:16,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:16,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:16,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:16,535 INFO L87 Difference]: Start difference. First operand 922 states and 1440 transitions. Second operand 6 states. [2018-11-22 23:40:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:17,383 INFO L93 Difference]: Finished difference Result 2525 states and 4079 transitions. [2018-11-22 23:40:17,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:40:17,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-22 23:40:17,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:17,391 INFO L225 Difference]: With dead ends: 2525 [2018-11-22 23:40:17,391 INFO L226 Difference]: Without dead ends: 1609 [2018-11-22 23:40:17,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:40:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2018-11-22 23:40:17,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1580. [2018-11-22 23:40:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2018-11-22 23:40:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2315 transitions. [2018-11-22 23:40:17,436 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2315 transitions. Word has length 150 [2018-11-22 23:40:17,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:17,436 INFO L480 AbstractCegarLoop]: Abstraction has 1580 states and 2315 transitions. [2018-11-22 23:40:17,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2315 transitions. [2018-11-22 23:40:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-22 23:40:17,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:17,441 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:40:17,441 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:17,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash 628433146, now seen corresponding path program 1 times [2018-11-22 23:40:17,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:17,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:17,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:17,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:17,443 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:17,603 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:17,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:17,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:40:17,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:17,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:17,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:17,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:17,605 INFO L87 Difference]: Start difference. First operand 1580 states and 2315 transitions. Second operand 6 states. [2018-11-22 23:40:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:18,157 INFO L93 Difference]: Finished difference Result 3490 states and 5298 transitions. [2018-11-22 23:40:18,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:40:18,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-22 23:40:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:18,164 INFO L225 Difference]: With dead ends: 3490 [2018-11-22 23:40:18,165 INFO L226 Difference]: Without dead ends: 1916 [2018-11-22 23:40:18,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:40:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-11-22 23:40:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1881. [2018-11-22 23:40:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-22 23:40:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2667 transitions. [2018-11-22 23:40:18,204 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2667 transitions. Word has length 174 [2018-11-22 23:40:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:18,205 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2667 transitions. [2018-11-22 23:40:18,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2667 transitions. [2018-11-22 23:40:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:40:18,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:18,209 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:18,209 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:18,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:18,209 INFO L82 PathProgramCache]: Analyzing trace with hash 880887528, now seen corresponding path program 1 times [2018-11-22 23:40:18,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:18,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:18,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:18,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:18,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:18,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:18,493 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:18,493 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-22 23:40:18,495 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-22 23:40:18,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:18,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:18,894 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:40:18,895 INFO L272 AbstractInterpreter]: Visited 91 different actions 179 times. Merged at 6 different actions 8 times. Never widened. Performed 1689 root evaluator evaluations with a maximum evaluation depth of 16. Performed 1689 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:40:18,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:18,912 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:40:18,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:18,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/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 [2018-11-22 23:40:18,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:18,929 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:40:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:18,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:19,058 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:19,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:40:19,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-22 23:40:19,179 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:40:19,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:40:19,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:40:19,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-22 23:40:19,180 INFO L87 Difference]: Start difference. First operand 1881 states and 2667 transitions. Second operand 15 states. [2018-11-22 23:40:22,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:22,847 INFO L93 Difference]: Finished difference Result 7083 states and 11089 transitions. [2018-11-22 23:40:22,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-22 23:40:22,847 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 213 [2018-11-22 23:40:22,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:22,872 INFO L225 Difference]: With dead ends: 7083 [2018-11-22 23:40:22,872 INFO L226 Difference]: Without dead ends: 4752 [2018-11-22 23:40:22,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=1689, Unknown=0, NotChecked=0, Total=2256 [2018-11-22 23:40:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2018-11-22 23:40:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4344. [2018-11-22 23:40:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4344 states. [2018-11-22 23:40:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5658 transitions. [2018-11-22 23:40:23,024 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5658 transitions. Word has length 213 [2018-11-22 23:40:23,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:23,025 INFO L480 AbstractCegarLoop]: Abstraction has 4344 states and 5658 transitions. [2018-11-22 23:40:23,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:40:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5658 transitions. [2018-11-22 23:40:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-22 23:40:23,035 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:23,036 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:40:23,036 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:23,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:23,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1030862380, now seen corresponding path program 1 times [2018-11-22 23:40:23,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:23,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:23,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:23,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:23,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-22 23:40:23,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:23,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:40:23,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:23,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:40:23,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:40:23,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:40:23,224 INFO L87 Difference]: Start difference. First operand 4344 states and 5658 transitions. Second operand 4 states. [2018-11-22 23:40:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:23,883 INFO L93 Difference]: Finished difference Result 9904 states and 13260 transitions. [2018-11-22 23:40:23,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:40:23,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-11-22 23:40:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:23,902 INFO L225 Difference]: With dead ends: 9904 [2018-11-22 23:40:23,902 INFO L226 Difference]: Without dead ends: 5570 [2018-11-22 23:40:23,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:40:23,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5570 states. [2018-11-22 23:40:24,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5570 to 5435. [2018-11-22 23:40:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5435 states. [2018-11-22 23:40:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 6593 transitions. [2018-11-22 23:40:24,027 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 6593 transitions. Word has length 227 [2018-11-22 23:40:24,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:24,028 INFO L480 AbstractCegarLoop]: Abstraction has 5435 states and 6593 transitions. [2018-11-22 23:40:24,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:40:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 6593 transitions. [2018-11-22 23:40:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-22 23:40:24,038 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:24,038 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:24,038 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:24,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:24,039 INFO L82 PathProgramCache]: Analyzing trace with hash -746901927, now seen corresponding path program 1 times [2018-11-22 23:40:24,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:24,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:24,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:24,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:24,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 90 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:40:24,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:24,163 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:24,163 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-22 23:40:24,163 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-22 23:40:24,167 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:24,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:24,260 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:40:24,260 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 929 root evaluator evaluations with a maximum evaluation depth of 3. Performed 929 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 23:40:24,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:24,261 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:40:24,548 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 73.35% of their original sizes. [2018-11-22 23:40:24,549 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:40:24,579 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-22 23:40:24,579 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:40:24,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:40:24,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-22 23:40:24,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:24,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:24,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:24,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:24,581 INFO L87 Difference]: Start difference. First operand 5435 states and 6593 transitions. Second operand 6 states. [2018-11-22 23:40:36,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:36,170 INFO L93 Difference]: Finished difference Result 11000 states and 13323 transitions. [2018-11-22 23:40:36,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:40:36,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2018-11-22 23:40:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:36,184 INFO L225 Difference]: With dead ends: 11000 [2018-11-22 23:40:36,185 INFO L226 Difference]: Without dead ends: 5575 [2018-11-22 23:40:36,193 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:40:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2018-11-22 23:40:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5574. [2018-11-22 23:40:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5574 states. [2018-11-22 23:40:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5574 states to 5574 states and 6730 transitions. [2018-11-22 23:40:36,288 INFO L78 Accepts]: Start accepts. Automaton has 5574 states and 6730 transitions. Word has length 230 [2018-11-22 23:40:36,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:36,288 INFO L480 AbstractCegarLoop]: Abstraction has 5574 states and 6730 transitions. [2018-11-22 23:40:36,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5574 states and 6730 transitions. [2018-11-22 23:40:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-22 23:40:36,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:36,305 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-22 23:40:36,305 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:36,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:36,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1693644177, now seen corresponding path program 1 times [2018-11-22 23:40:36,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:36,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:36,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:36,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:36,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 146 proven. 245 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:40:36,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:36,804 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:36,804 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 346 with the following transitions: [2018-11-22 23:40:36,805 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-22 23:40:36,808 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:36,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:38,218 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:40:38,218 INFO L272 AbstractInterpreter]: Visited 125 different actions 374 times. Merged at 7 different actions 21 times. Never widened. Performed 3931 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3931 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:40:38,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:38,236 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:40:38,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:38,236 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/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 [2018-11-22 23:40:38,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:38,253 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:40:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:38,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:58,606 WARN L180 SmtUtils]: Spent 20.15 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-11-22 23:40:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 323 proven. 26 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 23:40:58,897 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:59,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-22 23:40:59,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-22 23:40:59,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,584 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,745 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,782 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,887 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:40:59,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,006 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,353 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,389 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,465 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,580 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,706 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:00,989 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,036 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,365 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,445 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,522 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,560 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,642 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,718 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,755 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,870 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:01,977 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,102 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,140 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,188 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,304 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,347 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,398 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,436 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,473 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,510 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,586 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,623 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,738 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,776 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,813 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,889 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:02,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,081 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,118 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,376 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,458 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,504 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,750 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:03,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:04,040 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-22 23:41:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 143 proven. 248 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:41:04,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:41:04,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2018-11-22 23:41:04,476 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:41:04,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:41:04,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:41:04,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-22 23:41:04,477 INFO L87 Difference]: Start difference. First operand 5574 states and 6730 transitions. Second operand 19 states. [2018-11-22 23:41:20,840 WARN L180 SmtUtils]: Spent 11.87 s on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-11-22 23:41:23,296 WARN L180 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-22 23:41:24,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:41:24,915 INFO L93 Difference]: Finished difference Result 14825 states and 19374 transitions. [2018-11-22 23:41:24,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-11-22 23:41:24,916 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 345 [2018-11-22 23:41:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:41:24,939 INFO L225 Difference]: With dead ends: 14825 [2018-11-22 23:41:24,940 INFO L226 Difference]: Without dead ends: 9400 [2018-11-22 23:41:24,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 612 SyntacticMatches, 110 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3715 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=1248, Invalid=4914, Unknown=0, NotChecked=0, Total=6162 [2018-11-22 23:41:24,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9400 states. [2018-11-22 23:41:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9400 to 8715. [2018-11-22 23:41:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8715 states. [2018-11-22 23:41:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8715 states to 8715 states and 10675 transitions. [2018-11-22 23:41:25,069 INFO L78 Accepts]: Start accepts. Automaton has 8715 states and 10675 transitions. Word has length 345 [2018-11-22 23:41:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:41:25,070 INFO L480 AbstractCegarLoop]: Abstraction has 8715 states and 10675 transitions. [2018-11-22 23:41:25,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:41:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8715 states and 10675 transitions. [2018-11-22 23:41:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-11-22 23:41:25,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:41:25,083 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-22 23:41:25,084 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:41:25,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:41:25,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1194015548, now seen corresponding path program 1 times [2018-11-22 23:41:25,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:41:25,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:25,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:41:25,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:25,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:41:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:41:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-22 23:41:25,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:41:25,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:41:25,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:41:25,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:41:25,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:41:25,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:41:25,220 INFO L87 Difference]: Start difference. First operand 8715 states and 10675 transitions. Second operand 3 states. [2018-11-22 23:41:25,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:41:25,699 INFO L93 Difference]: Finished difference Result 18787 states and 23546 transitions. [2018-11-22 23:41:25,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:41:25,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2018-11-22 23:41:25,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:41:25,700 INFO L225 Difference]: With dead ends: 18787 [2018-11-22 23:41:25,700 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:41:25,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:41:25,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:41:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:41:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:41:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:41:25,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2018-11-22 23:41:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:41:25,725 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:41:25,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:41:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:41:25,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:41:25,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:41:25,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,984 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 212 [2018-11-22 23:41:25,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:25,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:26,127 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 210 [2018-11-22 23:41:26,550 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 39 [2018-11-22 23:41:26,891 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 40 [2018-11-22 23:41:27,191 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,192 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-22 23:41:27,193 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-22 23:41:27,194 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 23:41:27,195 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 23:41:27,196 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,197 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,198 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-22 23:41:27,199 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 23:41:27,200 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-22 23:41:27,201 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse5 (= 10 |old(~a19~0)|)) (.cse1 (< 1 |old(~a10~0)|)) (.cse6 (< (+ |old(~a1~0)| 12) 0)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (or .cse0 .cse5) .cse2 .cse3 .cse4) (or .cse6 .cse4 .cse5 .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-22 23:41:27,202 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 23:41:27,203 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-22 23:41:27,204 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,205 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-22 23:41:27,206 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-22 23:41:27,207 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 0 (+ ~a1~0 12))) (.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a19~0 7))) (.cse2 (<= ~a10~0 1))) (or (and .cse0 (= 2 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)))) [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-22 23:41:27,207 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-22 23:41:27,208 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 0 (+ ~a1~0 12))) (.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a19~0 7))) (.cse2 (<= ~a10~0 1))) (or (and .cse0 (= 2 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)))) [2018-11-22 23:41:27,208 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-22 23:41:27,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:41:27 BoogieIcfgContainer [2018-11-22 23:41:27,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:41:27,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:41:27,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:41:27,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:41:27,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:14" (3/4) ... [2018-11-22 23:41:27,220 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:41:27,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:41:27,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:41:27,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:41:27,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:41:27,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:41:27,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(a19 == 10) && 2 == a10) && 0 <= a1 + 12) || !(23 == \old(a1))) || !(0 == a12)) || !(0 == \old(a10))) || (a10 <= 1 && 0 <= a1 + 12)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || !(9 == \old(a19))) || !(14 == a4) [2018-11-22 23:41:27,321 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d041ef34-071d-47a7-b6bd-1e5a47d199cd/bin-2019/utaipan/witness.graphml [2018-11-22 23:41:27,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:41:27,322 INFO L168 Benchmark]: Toolchain (without parser) took 74394.51 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 950.4 MB in the beginning and 1.8 GB in the end (delta: -835.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,322 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:41:27,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.07 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 912.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,323 INFO L168 Benchmark]: Boogie Preprocessor took 54.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,323 INFO L168 Benchmark]: RCFGBuilder took 848.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.5 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,326 INFO L168 Benchmark]: TraceAbstraction took 72947.00 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 996.5 MB in the beginning and 1.8 GB in the end (delta: -839.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,326 INFO L168 Benchmark]: Witness Printer took 104.82 ms. Allocated memory is still 3.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:27,328 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.07 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 912.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.5 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72947.00 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 996.5 MB in the beginning and 1.8 GB in the end (delta: -839.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 104.82 ms. Allocated memory is still 3.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(a19 == 10) && 2 == a10) && 0 <= a1 + 12) || !(23 == \old(a1))) || !(0 == a12)) || !(0 == \old(a10))) || (a10 <= 1 && 0 <= a1 + 12)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || !(9 == \old(a19))) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 72.8s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 39.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 958 SDtfs, 8828 SDslu, 1439 SDs, 0 SdLazy, 16270 SolverSat, 3556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1561 GetRequests, 1293 SyntacticMatches, 116 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4255 ImplicationChecksByTransitivity, 41.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8715occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9975415414280044 AbsIntWeakeningRatio, 0.11353711790393013 AbsIntAvgWeakeningVarsNumRemoved, 15.458515283842795 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1305 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 257 NumberOfFragments, 293 HoareAnnotationTreeSize, 161 FomulaSimplifications, 31580 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13940 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 27.4s InterpolantComputationTime, 2447 NumberOfCodeBlocks, 2447 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2992 ConstructedInterpolants, 124 QuantifiedInterpolants, 8456708 SizeOfPredicates, 9 NumberOfNonLiveVariables, 945 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1958/2561 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...