./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/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 2d05d1de5597bdaeecbf29f7010022c1cc3574fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:13:33,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:13:33,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:13:33,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:13:33,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:13:33,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:13:33,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:13:33,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:13:33,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:13:33,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:13:33,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:13:33,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:13:33,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:13:33,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:13:33,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:13:33,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:13:33,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:13:33,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:13:33,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:13:33,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:13:33,468 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:13:33,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:13:33,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:13:33,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:13:33,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:13:33,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:13:33,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:13:33,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:13:33,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:13:33,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:13:33,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:13:33,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:13:33,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:13:33,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:13:33,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:13:33,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:13:33,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:13:33,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:13:33,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:13:33,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:13:33,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:13:33,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:13:33,482 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:13:33,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:13:33,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:13:33,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:13:33,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:13:33,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:13:33,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:13:33,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:13:33,485 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_4c0bad03-a8d4-4949-9ac7-1711982fda33/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 -> 2d05d1de5597bdaeecbf29f7010022c1cc3574fd [2018-12-02 06:13:33,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:13:33,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:13:33,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:13:33,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:13:33,515 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:13:33,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-12-02 06:13:33,561 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/data/ee369b032/07bd9fa590854a60b9de9bd1063ba581/FLAG72dec48bf [2018-12-02 06:13:33,979 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:13:33,980 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/sv-benchmarks/c/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-12-02 06:13:33,986 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/data/ee369b032/07bd9fa590854a60b9de9bd1063ba581/FLAG72dec48bf [2018-12-02 06:13:33,995 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/data/ee369b032/07bd9fa590854a60b9de9bd1063ba581 [2018-12-02 06:13:33,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:13:33,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:13:33,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:13:33,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:13:34,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:13:34,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:33" (1/1) ... [2018-12-02 06:13:34,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34, skipping insertion in model container [2018-12-02 06:13:34,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:13:33" (1/1) ... [2018-12-02 06:13:34,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:13:34,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:13:34,204 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:13:34,207 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:13:34,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:13:34,317 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:13:34,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34 WrapperNode [2018-12-02 06:13:34,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:13:34,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:13:34,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:13:34,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:13:34,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:13:34,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:13:34,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:13:34,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:13:34,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... [2018-12-02 06:13:34,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:13:34,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:13:34,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:13:34,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:13:34,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/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 [2018-12-02 06:13:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:13:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:13:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:13:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:13:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:13:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:13:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:13:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:13:35,014 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:13:35,014 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:13:35,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:35 BoogieIcfgContainer [2018-12-02 06:13:35,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:13:35,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:13:35,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:13:35,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:13:35,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:13:33" (1/3) ... [2018-12-02 06:13:35,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:35, skipping insertion in model container [2018-12-02 06:13:35,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:13:34" (2/3) ... [2018-12-02 06:13:35,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:13:35, skipping insertion in model container [2018-12-02 06:13:35,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:35" (3/3) ... [2018-12-02 06:13:35,021 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label14_true-unreach-call.c [2018-12-02 06:13:35,029 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:13:35,036 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:13:35,045 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:13:35,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:13:35,065 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:13:35,065 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:13:35,065 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:13:35,066 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:13:35,066 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:13:35,066 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:13:35,066 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:13:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-02 06:13:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 06:13:35,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:35,084 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] [2018-12-02 06:13:35,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:35,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1721053394, now seen corresponding path program 1 times [2018-12-02 06:13:35,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:35,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:35,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:35,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:35,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:35,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:13:35,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:13:35,244 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:35,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:13:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:13:35,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:13:35,257 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-02 06:13:35,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:35,800 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-02 06:13:35,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:13:35,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-12-02 06:13:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:35,809 INFO L225 Difference]: With dead ends: 571 [2018-12-02 06:13:35,809 INFO L226 Difference]: Without dead ends: 294 [2018-12-02 06:13:35,812 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 [2018-12-02 06:13:35,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-02 06:13:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-02 06:13:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-02 06:13:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-02 06:13:35,852 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 37 [2018-12-02 06:13:35,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:35,852 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-02 06:13:35,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:13:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-02 06:13:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 06:13:35,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:35,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:35,857 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:35,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:35,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1761481729, now seen corresponding path program 1 times [2018-12-02 06:13:35,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:35,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:35,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:35,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:35,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:36,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:13:36,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:13:36,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:36,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:13:36,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:13:36,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:13:36,013 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-12-02 06:13:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:36,525 INFO L93 Difference]: Finished difference Result 735 states and 1122 transitions. [2018-12-02 06:13:36,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:13:36,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-12-02 06:13:36,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:36,527 INFO L225 Difference]: With dead ends: 735 [2018-12-02 06:13:36,527 INFO L226 Difference]: Without dead ends: 447 [2018-12-02 06:13:36,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:13:36,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-12-02 06:13:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2018-12-02 06:13:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-02 06:13:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2018-12-02 06:13:36,541 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 634 transitions. Word has length 156 [2018-12-02 06:13:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:36,542 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 634 transitions. [2018-12-02 06:13:36,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:13:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 634 transitions. [2018-12-02 06:13:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-02 06:13:36,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:36,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:36,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:36,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:36,544 INFO L82 PathProgramCache]: Analyzing trace with hash 630639194, now seen corresponding path program 1 times [2018-12-02 06:13:36,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:36,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:36,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:36,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:36,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:36,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:13:36,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:13:36,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:36,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:36,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:36,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:13:36,648 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. Second operand 6 states. [2018-12-02 06:13:37,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:37,106 INFO L93 Difference]: Finished difference Result 1045 states and 1535 transitions. [2018-12-02 06:13:37,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:13:37,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-12-02 06:13:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:37,110 INFO L225 Difference]: With dead ends: 1045 [2018-12-02 06:13:37,110 INFO L226 Difference]: Without dead ends: 608 [2018-12-02 06:13:37,112 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 [2018-12-02 06:13:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-12-02 06:13:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 592. [2018-12-02 06:13:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-02 06:13:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 804 transitions. [2018-12-02 06:13:37,132 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 804 transitions. Word has length 163 [2018-12-02 06:13:37,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:37,133 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 804 transitions. [2018-12-02 06:13:37,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 804 transitions. [2018-12-02 06:13:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-02 06:13:37,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:37,137 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, 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] [2018-12-02 06:13:37,137 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:37,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:37,137 INFO L82 PathProgramCache]: Analyzing trace with hash -545211835, now seen corresponding path program 1 times [2018-12-02 06:13:37,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:37,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:37,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:37,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:37,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:37,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:37,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:37,482 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-12-02 06:13:37,483 INFO L205 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 06:13:37,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:37,515 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:38,117 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:38,118 INFO L272 AbstractInterpreter]: Visited 128 different actions 496 times. Merged at 6 different actions 17 times. Never widened. Performed 5322 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:38,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:38,124 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:38,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:38,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/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 [2018-12-02 06:13:38,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:38,131 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:38,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:38,293 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:38,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:13:38,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-12-02 06:13:38,490 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:13:38,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 06:13:38,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 06:13:38,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:13:38,491 INFO L87 Difference]: Start difference. First operand 592 states and 804 transitions. Second operand 16 states. [2018-12-02 06:13:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:41,073 INFO L93 Difference]: Finished difference Result 1717 states and 2642 transitions. [2018-12-02 06:13:41,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-02 06:13:41,073 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 226 [2018-12-02 06:13:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:41,078 INFO L225 Difference]: With dead ends: 1717 [2018-12-02 06:13:41,079 INFO L226 Difference]: Without dead ends: 1274 [2018-12-02 06:13:41,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 462 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=613, Invalid=2039, Unknown=0, NotChecked=0, Total=2652 [2018-12-02 06:13:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2018-12-02 06:13:41,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1047. [2018-12-02 06:13:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-12-02 06:13:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1330 transitions. [2018-12-02 06:13:41,115 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1330 transitions. Word has length 226 [2018-12-02 06:13:41,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:41,116 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1330 transitions. [2018-12-02 06:13:41,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 06:13:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1330 transitions. [2018-12-02 06:13:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-02 06:13:41,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:41,119 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:41,119 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:41,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:41,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1220888374, now seen corresponding path program 1 times [2018-12-02 06:13:41,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:41,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:41,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:41,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:41,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:41,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:41,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:41,221 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-12-02 06:13:41,221 INFO L205 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 06:13:41,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:41,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:41,372 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:41,373 INFO L272 AbstractInterpreter]: Visited 134 different actions 265 times. Merged at 6 different actions 8 times. Never widened. Performed 2810 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:13:41,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:41,374 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:41,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:41,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/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 [2018-12-02 06:13:41,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:41,380 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:41,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:41,500 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:41,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:13:41,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 06:13:41,610 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:13:41,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:13:41,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:13:41,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:13:41,611 INFO L87 Difference]: Start difference. First operand 1047 states and 1330 transitions. Second operand 9 states. [2018-12-02 06:13:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:42,767 INFO L93 Difference]: Finished difference Result 3217 states and 4619 transitions. [2018-12-02 06:13:42,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:13:42,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2018-12-02 06:13:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:42,772 INFO L225 Difference]: With dead ends: 3217 [2018-12-02 06:13:42,772 INFO L226 Difference]: Without dead ends: 1538 [2018-12-02 06:13:42,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 485 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:13:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2018-12-02 06:13:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1369. [2018-12-02 06:13:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-02 06:13:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1688 transitions. [2018-12-02 06:13:42,807 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1688 transitions. Word has length 241 [2018-12-02 06:13:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:42,807 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1688 transitions. [2018-12-02 06:13:42,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:13:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1688 transitions. [2018-12-02 06:13:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-02 06:13:42,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:42,810 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:13:42,810 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:42,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:42,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1555176578, now seen corresponding path program 1 times [2018-12-02 06:13:42,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:42,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:42,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:42,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:42,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 60 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:13:42,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:42,895 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:42,895 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-12-02 06:13:42,895 INFO L205 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 06:13:42,897 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:42,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:42,987 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:13:42,987 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Performed 1208 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 06:13:42,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:42,990 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:13:43,219 INFO L227 lantSequenceWeakener]: Weakened 242 states. On average, predicates are now at 73.01% of their original sizes. [2018-12-02 06:13:43,219 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:13:43,239 INFO L418 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-12-02 06:13:43,239 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:13:43,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:13:43,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 06:13:43,240 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:43,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:43,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:43,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:13:43,240 INFO L87 Difference]: Start difference. First operand 1369 states and 1688 transitions. Second operand 6 states. [2018-12-02 06:13:45,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:45,534 INFO L93 Difference]: Finished difference Result 2447 states and 3044 transitions. [2018-12-02 06:13:45,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:13:45,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 251 [2018-12-02 06:13:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:45,539 INFO L225 Difference]: With dead ends: 2447 [2018-12-02 06:13:45,539 INFO L226 Difference]: Without dead ends: 1370 [2018-12-02 06:13:45,542 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:13:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-12-02 06:13:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1369. [2018-12-02 06:13:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-02 06:13:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1677 transitions. [2018-12-02 06:13:45,578 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1677 transitions. Word has length 251 [2018-12-02 06:13:45,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:45,579 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1677 transitions. [2018-12-02 06:13:45,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1677 transitions. [2018-12-02 06:13:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 06:13:45,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:45,584 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:13:45,584 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:45,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:45,585 INFO L82 PathProgramCache]: Analyzing trace with hash 949684802, now seen corresponding path program 1 times [2018-12-02 06:13:45,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:45,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:45,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:45,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:45,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 61 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 06:13:45,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:45,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:45,698 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-02 06:13:45,698 INFO L205 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 06:13:45,700 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:45,700 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:45,801 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:13:45,801 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Performed 2715 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:45,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:45,806 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:13:45,986 INFO L227 lantSequenceWeakener]: Weakened 274 states. On average, predicates are now at 77.93% of their original sizes. [2018-12-02 06:13:45,986 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:13:46,021 INFO L418 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-12-02 06:13:46,022 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:13:46,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:13:46,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 06:13:46,022 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:46,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:13:46,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:13:46,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:13:46,023 INFO L87 Difference]: Start difference. First operand 1369 states and 1677 transitions. Second operand 10 states. [2018-12-02 06:13:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:57,151 INFO L93 Difference]: Finished difference Result 2462 states and 3051 transitions. [2018-12-02 06:13:57,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 06:13:57,151 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2018-12-02 06:13:57,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:57,154 INFO L225 Difference]: With dead ends: 2462 [2018-12-02 06:13:57,154 INFO L226 Difference]: Without dead ends: 1385 [2018-12-02 06:13:57,157 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 06:13:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-12-02 06:13:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1341. [2018-12-02 06:13:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2018-12-02 06:13:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1525 transitions. [2018-12-02 06:13:57,182 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1525 transitions. Word has length 277 [2018-12-02 06:13:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:57,183 INFO L480 AbstractCegarLoop]: Abstraction has 1341 states and 1525 transitions. [2018-12-02 06:13:57,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:13:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1525 transitions. [2018-12-02 06:13:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-02 06:13:57,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:57,186 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, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:57,186 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:57,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:57,186 INFO L82 PathProgramCache]: Analyzing trace with hash 677384141, now seen corresponding path program 1 times [2018-12-02 06:13:57,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:57,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:57,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:57,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:57,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 281 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:57,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:57,525 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:57,525 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-12-02 06:13:57,525 INFO L205 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [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], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 06:13:57,527 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:57,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:57,733 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:57,733 INFO L272 AbstractInterpreter]: Visited 129 different actions 386 times. Merged at 7 different actions 21 times. Never widened. Performed 4158 root evaluator evaluations with a maximum evaluation depth of 15. Performed 4158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:13:57,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:57,736 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:57,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:57,736 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:13:57,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:57,741 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:57,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:03,341 WARN L180 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-12-02 06:14:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 06:14:03,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:03,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:03,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-12-02 06:14:03,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:03,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,122 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,362 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,622 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,708 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:04,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,093 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,364 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,725 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,845 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,924 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:05,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,201 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,240 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,327 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,416 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,454 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,539 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,618 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,657 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,692 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,770 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,807 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,849 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:06,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,023 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,060 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,244 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,326 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,365 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,402 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,439 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,750 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,788 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:07,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,037 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,075 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-02 06:14:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 95 proven. 260 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:14:08,653 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:08,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-12-02 06:14:08,653 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:08,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-02 06:14:08,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-02 06:14:08,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-12-02 06:14:08,654 INFO L87 Difference]: Start difference. First operand 1341 states and 1525 transitions. Second operand 23 states. [2018-12-02 06:14:10,974 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-12-02 06:14:19,054 WARN L180 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-12-02 06:14:28,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:28,191 INFO L93 Difference]: Finished difference Result 5081 states and 6740 transitions. [2018-12-02 06:14:28,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-12-02 06:14:28,192 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 348 [2018-12-02 06:14:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:28,192 INFO L225 Difference]: With dead ends: 5081 [2018-12-02 06:14:28,192 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:14:28,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 594 SyntacticMatches, 113 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9171 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=2848, Invalid=16612, Unknown=0, NotChecked=0, Total=19460 [2018-12-02 06:14:28,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:14:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:14:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:14:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:14:28,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2018-12-02 06:14:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:28,202 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:14:28,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-02 06:14:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:14:28,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:14:28,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:14:28,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:14:28,398 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 170 [2018-12-02 06:14:28,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:14:28,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:14:28,516 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 176 [2018-12-02 06:14:28,853 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 46 [2018-12-02 06:14:29,140 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 44 [2018-12-02 06:14:29,385 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 40 [2018-12-02 06:14:29,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:14:29,386 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)|)) [2018-12-02 06:14:29,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:14:29,386 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-02 06:14:29,386 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-02 06:14:29,387 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 06:14:29,388 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,389 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-02 06:14:29,390 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 06:14:29,391 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-02 06:14:29,392 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse3 (< 2 |old(~a10~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse0 (and .cse6 .cse7 .cse5)) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (and .cse5 .cse6 .cse7) .cse1 .cse2 (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0)) (or (not (= 8 |old(~a19~0)|)) .cse1 .cse2 .cse0) (or .cse0 .cse1 .cse2 (= 6 |old(~a19~0)|) .cse3) (or (< 8 |old(~a19~0)|) .cse1 .cse2 .cse0 (< 33 |old(~a1~0)|) .cse4)))) [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-02 06:14:29,393 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 06:14:29,394 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-02 06:14:29,395 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:14:29,396 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-12-02 06:14:29,396 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:14:29,397 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:14:29,397 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-02 06:14:29,397 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-02 06:14:29,397 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1))) (.cse1 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= ~a19~0 8) (<= ~a1~0 33) .cse0) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and (not (= ~a19~0 6)) .cse1) (and (not (= main_~input~0 0)) (= 9 ~a19~0)))) [2018-12-02 06:14:29,397 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-02 06:14:29,397 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-02 06:14:29,397 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1))) (.cse1 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= ~a19~0 8) (<= ~a1~0 33) .cse0) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (= 9 ~a19~0) (and (not (= ~a19~0 6)) .cse1))) [2018-12-02 06:14:29,397 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-02 06:14:29,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:14:29 BoogieIcfgContainer [2018-12-02 06:14:29,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:14:29,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:14:29,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:14:29,405 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:14:29,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:13:35" (3/4) ... [2018-12-02 06:14:29,408 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:14:29,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:14:29,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:14:29,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:14:29,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 06:14:29,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:14:29,445 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(23 == \old(a1)) || 8 == a19) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || (a10 <= 2 && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (!(a19 == 6) && a10 <= 2) [2018-12-02 06:14:29,506 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c0bad03-a8d4-4949-9ac7-1711982fda33/bin-2019/utaipan/witness.graphml [2018-12-02 06:14:29,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:14:29,507 INFO L168 Benchmark]: Toolchain (without parser) took 55509.18 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -436.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,507 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:14:29,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,508 INFO L168 Benchmark]: Boogie Preprocessor took 38.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,508 INFO L168 Benchmark]: RCFGBuilder took 633.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.6 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,508 INFO L168 Benchmark]: TraceAbstraction took 54388.62 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 977.6 MB in the beginning and 1.4 GB in the end (delta: -409.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-02 06:14:29,508 INFO L168 Benchmark]: Witness Printer took 101.57 ms. Allocated memory is still 3.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-02 06:14:29,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 633.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.6 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54388.62 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 977.6 MB in the beginning and 1.4 GB in the end (delta: -409.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 101.57 ms. Allocated memory is still 3.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: ((((((((!(23 == \old(a1)) || 8 == a19) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || (a10 <= 2 && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 54.3s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 38.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 361 SDtfs, 15691 SDslu, 964 SDs, 0 SdLazy, 16949 SolverSat, 4765 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2425 GetRequests, 2062 SyntacticMatches, 121 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9943 ImplicationChecksByTransitivity, 21.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1369occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9973805295824982 AbsIntWeakeningRatio, 0.09885931558935361 AbsIntAvgWeakeningVarsNumRemoved, 14.49809885931559 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 461 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 131 PreInvPairs, 277 NumberOfFragments, 304 HoareAnnotationTreeSize, 131 FomulaSimplifications, 28396 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14288 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 2514 NumberOfCodeBlocks, 2514 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3315 ConstructedInterpolants, 124 QuantifiedInterpolants, 7991340 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1374 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1785/2274 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...