./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.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_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:21:06,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:21:06,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:21:06,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:21:06,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:21:06,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:21:06,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:21:06,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:21:06,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:21:06,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:21:06,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:21:06,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:21:06,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:21:06,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:21:06,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:21:06,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:21:06,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:21:06,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:21:06,425 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:21:06,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:21:06,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:21:06,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:21:06,429 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:21:06,429 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:21:06,429 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:21:06,430 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:21:06,431 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:21:06,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:21:06,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:21:06,433 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:21:06,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:21:06,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:21:06,434 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:21:06,434 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:21:06,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:21:06,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:21:06,435 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 09:21:06,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:21:06,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:21:06,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 09:21:06,446 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 09:21:06,446 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 09:21:06,447 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 09:21:06,447 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 09:21:06,447 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:21:06,447 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:21:06,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:21:06,448 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:21:06,449 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:21:06,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:21:06,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:21:06,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 09:21:06,450 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_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-12-02 09:21:06,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:21:06,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:21:06,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:21:06,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:21:06,481 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:21:06,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-02 09:21:06,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/data/2920843a6/a3230015bd264592b3d5e1bcab37b8c5/FLAG065680b23 [2018-12-02 09:21:06,941 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:21:06,941 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-02 09:21:06,947 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/data/2920843a6/a3230015bd264592b3d5e1bcab37b8c5/FLAG065680b23 [2018-12-02 09:21:06,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/data/2920843a6/a3230015bd264592b3d5e1bcab37b8c5 [2018-12-02 09:21:06,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:21:06,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:21:06,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:21:06,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:21:06,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:21:06,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2018-12-02 09:21:06,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:06, skipping insertion in model container [2018-12-02 09:21:06,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2018-12-02 09:21:06,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:21:06,990 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:21:07,160 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:21:07,163 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:21:07,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:21:07,257 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:21:07,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07 WrapperNode [2018-12-02 09:21:07,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:21:07,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:21:07,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:21:07,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:21:07,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:21:07,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:21:07,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:21:07,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:21:07,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2018-12-02 09:21:07,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:21:07,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:21:07,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:21:07,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:21:07,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 09:21:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 09:21:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 09:21:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 09:21:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 09:21:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:21:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:21:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 09:21:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 09:21:07,967 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:21:07,968 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 09:21:07,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:07 BoogieIcfgContainer [2018-12-02 09:21:07,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:21:07,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:21:07,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:21:07,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:21:07,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:21:06" (1/3) ... [2018-12-02 09:21:07,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:07, skipping insertion in model container [2018-12-02 09:21:07,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (2/3) ... [2018-12-02 09:21:07,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:07, skipping insertion in model container [2018-12-02 09:21:07,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:07" (3/3) ... [2018-12-02 09:21:07,976 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-12-02 09:21:07,985 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:21:07,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 09:21:08,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 09:21:08,038 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:21:08,038 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:21:08,038 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:21:08,039 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:21:08,039 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:21:08,039 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:21:08,039 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:21:08,039 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:21:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 09:21:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 09:21:08,066 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:08,066 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:21:08,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:08,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2018-12-02 09:21:08,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:08,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:08,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:08,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:08,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:08,317 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 09:21:08,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:21:08,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:21:08,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:08,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:21:08,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:21:08,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:21:08,332 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 09:21:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:08,733 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 09:21:08,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:21:08,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-12-02 09:21:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:08,742 INFO L225 Difference]: With dead ends: 547 [2018-12-02 09:21:08,742 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 09:21:08,745 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 09:21:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 09:21:08,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 09:21:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 09:21:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-02 09:21:08,782 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 101 [2018-12-02 09:21:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:08,782 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-02 09:21:08,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:21:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-02 09:21:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 09:21:08,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:08,786 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 09:21:08,787 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:08,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:08,787 INFO L82 PathProgramCache]: Analyzing trace with hash -322237296, now seen corresponding path program 1 times [2018-12-02 09:21:08,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:08,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:08,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:08,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:08,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:08,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:21:08,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:21:08,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:08,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:21:08,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:21:08,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:21:08,889 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-02 09:21:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:09,301 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-02 09:21:09,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:21:09,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-12-02 09:21:09,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:09,304 INFO L225 Difference]: With dead ends: 703 [2018-12-02 09:21:09,304 INFO L226 Difference]: Without dead ends: 431 [2018-12-02 09:21:09,305 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 09:21:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-02 09:21:09,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-02 09:21:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-02 09:21:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-02 09:21:09,319 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 111 [2018-12-02 09:21:09,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:09,319 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-02 09:21:09,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:21:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-02 09:21:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 09:21:09,321 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:09,321 INFO L402 BasicCegarLoop]: trace histogram [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 09:21:09,321 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:09,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:09,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2018-12-02 09:21:09,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:09,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:09,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:09,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:09,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:09,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:09,432 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:21:09,433 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-02 09:21:09,434 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 09:21:09,458 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:21:09,458 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:21:09,785 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 09:21:09,785 INFO L272 AbstractInterpreter]: Visited 105 different actions 202 times. Merged at 3 different actions 3 times. Never widened. Performed 2902 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2902 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 09:21:09,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:09,795 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 09:21:09,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:09,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 09:21:09,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:09,802 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 09:21:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:09,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:21:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:09,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:21:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:09,940 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 09:21:09,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-12-02 09:21:09,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:09,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:21:09,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:21:09,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:21:09,941 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-02 09:21:10,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:10,227 INFO L93 Difference]: Finished difference Result 1241 states and 1783 transitions. [2018-12-02 09:21:10,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:21:10,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2018-12-02 09:21:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:10,230 INFO L225 Difference]: With dead ends: 1241 [2018-12-02 09:21:10,230 INFO L226 Difference]: Without dead ends: 828 [2018-12-02 09:21:10,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:21:10,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-02 09:21:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-02 09:21:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-02 09:21:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1098 transitions. [2018-12-02 09:21:10,251 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1098 transitions. Word has length 112 [2018-12-02 09:21:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:10,252 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1098 transitions. [2018-12-02 09:21:10,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:21:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1098 transitions. [2018-12-02 09:21:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 09:21:10,254 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:10,254 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 09:21:10,255 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:10,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 125802458, now seen corresponding path program 1 times [2018-12-02 09:21:10,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:10,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:10,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:10,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:10,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:10,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:21:10,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:21:10,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:10,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:21:10,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:21:10,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:21:10,338 INFO L87 Difference]: Start difference. First operand 828 states and 1098 transitions. Second operand 3 states. [2018-12-02 09:21:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:10,614 INFO L93 Difference]: Finished difference Result 1922 states and 2610 transitions. [2018-12-02 09:21:10,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:21:10,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-12-02 09:21:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:10,618 INFO L225 Difference]: With dead ends: 1922 [2018-12-02 09:21:10,618 INFO L226 Difference]: Without dead ends: 1100 [2018-12-02 09:21:10,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:21:10,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2018-12-02 09:21:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 828. [2018-12-02 09:21:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-02 09:21:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1095 transitions. [2018-12-02 09:21:10,640 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1095 transitions. Word has length 118 [2018-12-02 09:21:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:10,640 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1095 transitions. [2018-12-02 09:21:10,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:21:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1095 transitions. [2018-12-02 09:21:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 09:21:10,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:10,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:10,643 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:10,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:10,643 INFO L82 PathProgramCache]: Analyzing trace with hash -346016022, now seen corresponding path program 1 times [2018-12-02 09:21:10,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:10,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:10,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:10,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:10,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:10,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:21:10,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:21:10,718 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:10,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:21:10,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:21:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:21:10,719 INFO L87 Difference]: Start difference. First operand 828 states and 1095 transitions. Second operand 6 states. [2018-12-02 09:21:11,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:11,107 INFO L93 Difference]: Finished difference Result 1958 states and 2637 transitions. [2018-12-02 09:21:11,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:21:11,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-02 09:21:11,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:11,110 INFO L225 Difference]: With dead ends: 1958 [2018-12-02 09:21:11,111 INFO L226 Difference]: Without dead ends: 1136 [2018-12-02 09:21:11,112 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 09:21:11,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2018-12-02 09:21:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 850. [2018-12-02 09:21:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-12-02 09:21:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1044 transitions. [2018-12-02 09:21:11,127 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1044 transitions. Word has length 126 [2018-12-02 09:21:11,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:11,127 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 1044 transitions. [2018-12-02 09:21:11,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:21:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1044 transitions. [2018-12-02 09:21:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 09:21:11,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:11,129 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:21:11,129 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:11,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:11,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times [2018-12-02 09:21:11,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:11,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:11,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:11,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:11,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:11,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:21:11,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:21:11,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:11,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:21:11,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:21:11,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:21:11,171 INFO L87 Difference]: Start difference. First operand 850 states and 1044 transitions. Second operand 3 states. [2018-12-02 09:21:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:11,444 INFO L93 Difference]: Finished difference Result 2381 states and 2989 transitions. [2018-12-02 09:21:11,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:21:11,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-12-02 09:21:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:11,449 INFO L225 Difference]: With dead ends: 2381 [2018-12-02 09:21:11,449 INFO L226 Difference]: Without dead ends: 1537 [2018-12-02 09:21:11,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 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 09:21:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-12-02 09:21:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1398. [2018-12-02 09:21:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2018-12-02 09:21:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1735 transitions. [2018-12-02 09:21:11,474 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1735 transitions. Word has length 127 [2018-12-02 09:21:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:11,474 INFO L480 AbstractCegarLoop]: Abstraction has 1398 states and 1735 transitions. [2018-12-02 09:21:11,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:21:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1735 transitions. [2018-12-02 09:21:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 09:21:11,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:11,476 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:21:11,477 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:11,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:11,477 INFO L82 PathProgramCache]: Analyzing trace with hash 257579638, now seen corresponding path program 1 times [2018-12-02 09:21:11,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:11,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:11,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:11,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:11,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:21:11,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:11,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:21:11,602 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-02 09:21:11,602 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 09:21:11,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:21:11,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:21:11,789 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 09:21:11,790 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 09:21:11,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:11,794 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 09:21:12,001 INFO L227 lantSequenceWeakener]: Weakened 161 states. On average, predicates are now at 81.62% of their original sizes. [2018-12-02 09:21:12,001 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 09:21:12,055 INFO L418 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-12-02 09:21:12,055 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 09:21:12,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 09:21:12,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 09:21:12,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:12,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 09:21:12,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 09:21:12,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:21:12,056 INFO L87 Difference]: Start difference. First operand 1398 states and 1735 transitions. Second operand 10 states. [2018-12-02 09:21:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:15,343 INFO L93 Difference]: Finished difference Result 3336 states and 4205 transitions. [2018-12-02 09:21:15,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 09:21:15,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-12-02 09:21:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:15,348 INFO L225 Difference]: With dead ends: 3336 [2018-12-02 09:21:15,348 INFO L226 Difference]: Without dead ends: 1944 [2018-12-02 09:21:15,351 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 09:21:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1944 states. [2018-12-02 09:21:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1944 to 1807. [2018-12-02 09:21:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2018-12-02 09:21:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2187 transitions. [2018-12-02 09:21:15,380 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2187 transitions. Word has length 164 [2018-12-02 09:21:15,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:15,381 INFO L480 AbstractCegarLoop]: Abstraction has 1807 states and 2187 transitions. [2018-12-02 09:21:15,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 09:21:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2187 transitions. [2018-12-02 09:21:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 09:21:15,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:15,383 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:15,384 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:15,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:15,384 INFO L82 PathProgramCache]: Analyzing trace with hash -324576636, now seen corresponding path program 1 times [2018-12-02 09:21:15,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:15,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:15,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:15,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:15,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 09:21:15,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:15,467 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:21:15,467 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-12-02 09:21:15,468 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 09:21:15,470 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:21:15,470 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:21:15,663 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 09:21:15,663 INFO L272 AbstractInterpreter]: Visited 106 different actions 321 times. Merged at 7 different actions 23 times. Never widened. Performed 4531 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4531 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 09:21:15,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:15,665 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 09:21:15,804 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 83.31% of their original sizes. [2018-12-02 09:21:15,804 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 09:21:15,840 INFO L418 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-12-02 09:21:15,840 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 09:21:15,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 09:21:15,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-02 09:21:15,841 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:21:15,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 09:21:15,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 09:21:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:21:15,841 INFO L87 Difference]: Start difference. First operand 1807 states and 2187 transitions. Second operand 9 states. [2018-12-02 09:21:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:18,023 INFO L93 Difference]: Finished difference Result 2644 states and 3289 transitions. [2018-12-02 09:21:18,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 09:21:18,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2018-12-02 09:21:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:18,028 INFO L225 Difference]: With dead ends: 2644 [2018-12-02 09:21:18,028 INFO L226 Difference]: Without dead ends: 2642 [2018-12-02 09:21:18,029 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-02 09:21:18,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-12-02 09:21:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2629. [2018-12-02 09:21:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2018-12-02 09:21:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3268 transitions. [2018-12-02 09:21:18,081 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3268 transitions. Word has length 191 [2018-12-02 09:21:18,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:18,081 INFO L480 AbstractCegarLoop]: Abstraction has 2629 states and 3268 transitions. [2018-12-02 09:21:18,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 09:21:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3268 transitions. [2018-12-02 09:21:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 09:21:18,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:18,088 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:18,088 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:18,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:18,089 INFO L82 PathProgramCache]: Analyzing trace with hash -905663325, now seen corresponding path program 1 times [2018-12-02 09:21:18,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:18,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:18,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 09:21:18,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:18,176 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:21:18,176 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-02 09:21:18,176 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 09:21:18,179 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:21:18,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:21:18,342 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 09:21:18,342 INFO L272 AbstractInterpreter]: Visited 108 different actions 325 times. Merged at 7 different actions 22 times. Never widened. Performed 4762 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4762 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 09:21:18,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:18,346 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 09:21:18,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:18,346 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 09:21:18,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:18,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 09:21:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:18,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:21:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-02 09:21:18,478 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:21:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 09:21:18,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 09:21:18,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 09:21:18,550 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 09:21:18,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 09:21:18,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 09:21:18,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 09:21:18,550 INFO L87 Difference]: Start difference. First operand 2629 states and 3268 transitions. Second operand 9 states. [2018-12-02 09:21:19,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:19,470 INFO L93 Difference]: Finished difference Result 7346 states and 9583 transitions. [2018-12-02 09:21:19,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 09:21:19,470 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-12-02 09:21:19,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:19,486 INFO L225 Difference]: With dead ends: 7346 [2018-12-02 09:21:19,486 INFO L226 Difference]: Without dead ends: 4723 [2018-12-02 09:21:19,492 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-02 09:21:19,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2018-12-02 09:21:19,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4681. [2018-12-02 09:21:19,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4681 states. [2018-12-02 09:21:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 4681 states and 5981 transitions. [2018-12-02 09:21:19,574 INFO L78 Accepts]: Start accepts. Automaton has 4681 states and 5981 transitions. Word has length 214 [2018-12-02 09:21:19,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:19,574 INFO L480 AbstractCegarLoop]: Abstraction has 4681 states and 5981 transitions. [2018-12-02 09:21:19,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 09:21:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 5981 transitions. [2018-12-02 09:21:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 09:21:19,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:21:19,583 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 09:21:19,583 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:21:19,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:19,583 INFO L82 PathProgramCache]: Analyzing trace with hash -665062149, now seen corresponding path program 1 times [2018-12-02 09:21:19,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:21:19,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:19,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:19,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:21:19,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:21:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 123 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 09:21:19,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:19,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:21:19,649 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-12-02 09:21:19,649 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 09:21:19,650 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:21:19,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:21:19,801 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 09:21:19,801 INFO L272 AbstractInterpreter]: Visited 108 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Performed 4798 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 09:21:19,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:21:19,802 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 09:21:19,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:21:19,802 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/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 09:21:19,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:21:19,807 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 09:21:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:21:19,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:21:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 09:21:19,898 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:21:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 09:21:19,987 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 09:21:19,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 09:21:19,988 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 09:21:19,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 09:21:19,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 09:21:19,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:21:19,988 INFO L87 Difference]: Start difference. First operand 4681 states and 5981 transitions. Second operand 9 states. [2018-12-02 09:21:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:21:21,063 INFO L93 Difference]: Finished difference Result 12076 states and 16376 transitions. [2018-12-02 09:21:21,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 09:21:21,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-12-02 09:21:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:21:21,064 INFO L225 Difference]: With dead ends: 12076 [2018-12-02 09:21:21,064 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 09:21:21,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-12-02 09:21:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 09:21:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 09:21:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 09:21:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 09:21:21,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-12-02 09:21:21,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:21:21,090 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:21:21,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 09:21:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 09:21:21,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 09:21:21,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 09:21:21,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,484 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 149 [2018-12-02 09:21:21,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:21:21,658 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 156 [2018-12-02 09:21:22,382 WARN L180 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 78 [2018-12-02 09:21:22,629 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2018-12-02 09:21:22,870 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 51 [2018-12-02 09:21:22,871 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,872 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 09:21:22,873 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 09:21:22,874 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,875 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 09:21:22,876 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 09:21:22,877 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a20~0)|)) (.cse8 (= 4 |old(~a16~0)|)) (.cse16 (= 15 |old(~a8~0)|))) (let ((.cse10 (= 0 |old(~a16~0)|)) (.cse7 (= ~a7~0 0)) (.cse5 (< 0 |old(~a17~0)|)) (.cse12 (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|))) (.cse15 (or (= 6 |old(~a16~0)|) .cse16)) (.cse13 (not (= 1 ~a20~0))) (.cse3 (not .cse8)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse11 (= ~a20~0 1)) (.cse9 (not .cse14)) (.cse2 (not .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or (or .cse0 .cse1 .cse8 .cse9 .cse2) .cse10 .cse4 .cse5 .cse6 .cse11) (or (or .cse0 .cse1 (not (= 0 |old(~a17~0)|))) (and (= ~a17~0 0) .cse11) .cse3 .cse4 .cse6 .cse9 .cse2) (or .cse1 .cse12 .cse8) (or (< 13 |old(~a8~0)|) .cse5 .cse12) (or .cse1 .cse13 (= 13 |old(~a8~0)|) .cse14) (or .cse0 .cse1 .cse7 .cse8 .cse2 .cse10 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse14 .cse7) (or .cse15 .cse12) (or .cse12 .cse1 .cse5) (or .cse1 .cse14 .cse12) (or .cse15 .cse13 .cse3 .cse14) (or .cse0 .cse1 .cse4 .cse6 (not (= 1 |old(~a17~0)|)) (and (= ~a17~0 1) .cse11) .cse9 .cse2 (not (= 5 |old(~a16~0)|)))))) [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 09:21:22,878 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 09:21:22,879 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,880 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 09:21:22,881 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:21:22,882 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 09:21:22,882 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 09:21:22,882 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:21:22,882 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-02 09:21:22,882 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 09:21:22,882 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and (<= ~a8~0 13) .cse0) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse1) (and .cse1 .cse0) (and .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 6)) (not (= ~a8~0 15))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-02 09:21:22,882 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 09:21:22,882 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 09:21:22,882 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and (<= ~a8~0 13) .cse0) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse1) (and .cse1 .cse0) (and .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 6)) (not (= ~a8~0 15))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-02 09:21:22,882 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 09:21:22,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:21:22 BoogieIcfgContainer [2018-12-02 09:21:22,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 09:21:22,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:21:22,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:21:22,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:21:22,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:07" (3/4) ... [2018-12-02 09:21:22,896 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 09:21:22,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 09:21:22,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 09:21:22,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 09:21:22,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 09:21:22,909 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 09:21:22,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || (!(a16 == 6) && !(a8 == 15))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-12-02 09:21:22,985 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1cedd3b6-16cd-4f7d-8cd9-02cba9c06766/bin-2019/utaipan/witness.graphml [2018-12-02 09:21:22,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:21:22,986 INFO L168 Benchmark]: Toolchain (without parser) took 16028.04 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 982.0 MB). Free memory was 947.0 MB in the beginning and 1.6 GB in the end (delta: -696.2 MB). Peak memory consumption was 285.8 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,986 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:21:22,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:21:22,987 INFO L168 Benchmark]: Boogie Preprocessor took 39.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,987 INFO L168 Benchmark]: RCFGBuilder took 650.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,987 INFO L168 Benchmark]: TraceAbstraction took 14922.72 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 838.9 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -652.4 MB). Peak memory consumption was 920.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,987 INFO L168 Benchmark]: Witness Printer took 93.33 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:21:22,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 650.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14922.72 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 838.9 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -652.4 MB). Peak memory consumption was 920.1 MB. Max. memory is 11.5 GB. * Witness Printer took 93.33 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || (!(a16 == 6) && !(a8 == 15))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 9.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 946 SDtfs, 4284 SDslu, 499 SDs, 0 SdLazy, 7834 SolverSat, 1281 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1558 GetRequests, 1452 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4681occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9976119938255414 AbsIntWeakeningRatio, 0.19830028328611898 AbsIntAvgWeakeningVarsNumRemoved, 28.44759206798867 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 901 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 244 PreInvPairs, 506 NumberOfFragments, 569 HoareAnnotationTreeSize, 244 FomulaSimplifications, 27196 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11257 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2028 NumberOfCodeBlocks, 2028 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2557 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002234 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 1297/1448 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...