./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/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 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:44:14,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:44:14,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:44:14,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:44:14,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:44:14,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:44:14,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:44:14,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:44:14,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:44:14,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:44:14,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:44:14,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:44:14,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:44:14,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:44:14,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:44:14,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:44:14,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:44:14,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:44:14,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:44:14,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:44:14,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:44:14,401 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:44:14,402 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:44:14,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:44:14,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:44:14,403 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:44:14,404 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:44:14,404 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:44:14,405 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:44:14,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:44:14,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:44:14,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:44:14,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:44:14,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:44:14,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:44:14,407 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:44:14,407 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:44:14,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:44:14,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:44:14,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:44:14,414 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:44:14,415 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:44:14,415 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:44:14,416 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:44:14,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:44:14,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:44:14,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:44:14,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:44:14,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:44:14,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:44:14,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:44:14,418 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:44:14,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:44:14,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:44:14,419 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:44:14,419 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_c3766469-000f-4354-ae89-6a6b9dbe6d48/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 -> 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 [2018-12-02 06:44:14,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:44:14,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:44:14,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:44:14,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:44:14,446 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:44:14,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-12-02 06:44:14,482 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/data/e5cbeed37/abc58c6722d34cbba283a62b3f9b2fa3/FLAG64708c425 [2018-12-02 06:44:14,880 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:44:14,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-12-02 06:44:14,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/data/e5cbeed37/abc58c6722d34cbba283a62b3f9b2fa3/FLAG64708c425 [2018-12-02 06:44:14,897 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/data/e5cbeed37/abc58c6722d34cbba283a62b3f9b2fa3 [2018-12-02 06:44:14,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:44:14,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:44:14,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:44:14,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:44:14,903 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:44:14,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:44:14" (1/1) ... [2018-12-02 06:44:14,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4040b4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:14, skipping insertion in model container [2018-12-02 06:44:14,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:44:14" (1/1) ... [2018-12-02 06:44:14,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:44:14,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:44:15,246 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:44:15,249 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:44:15,449 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:44:15,459 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:44:15,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15 WrapperNode [2018-12-02 06:44:15,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:44:15,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:44:15,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:44:15,460 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:44:15,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:44:15,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:44:15,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:44:15,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:44:15,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... [2018-12-02 06:44:15,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:44:15,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:44:15,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:44:15,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:44:15,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:44:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:44:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:44:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 06:44:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 06:44:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:44:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:44:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:44:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:44:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:44:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:44:16,880 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:44:16,880 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:44:16,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:16 BoogieIcfgContainer [2018-12-02 06:44:16,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:44:16,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:44:16,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:44:16,883 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:44:16,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:44:14" (1/3) ... [2018-12-02 06:44:16,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b286f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:44:16, skipping insertion in model container [2018-12-02 06:44:16,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:15" (2/3) ... [2018-12-02 06:44:16,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b286f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:44:16, skipping insertion in model container [2018-12-02 06:44:16,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:16" (3/3) ... [2018-12-02 06:44:16,885 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label11_true-unreach-call.c [2018-12-02 06:44:16,891 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:44:16,896 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:44:16,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:44:16,927 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:44:16,927 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:44:16,927 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:44:16,927 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:44:16,927 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:44:16,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:44:16,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:44:16,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:44:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 06:44:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 06:44:16,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:16,948 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] [2018-12-02 06:44:16,950 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:16,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:16,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1003051062, now seen corresponding path program 1 times [2018-12-02 06:44:16,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:16,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:16,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:16,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:16,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:17,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:44:17,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:44:17,142 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:17,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:44:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:44:17,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:44:17,159 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 06:44:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:18,535 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 06:44:18,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:44:18,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-12-02 06:44:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:18,546 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 06:44:18,546 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 06:44:18,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:44:18,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 06:44:18,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 06:44:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 06:44:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-02 06:44:18,598 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 61 [2018-12-02 06:44:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:18,599 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-02 06:44:18,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:44:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-02 06:44:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 06:44:18,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:18,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:18,602 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:18,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:18,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1399533719, now seen corresponding path program 1 times [2018-12-02 06:44:18,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:18,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:18,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:18,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:18,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:18,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:44:18,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:44:18,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:18,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:44:18,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:44:18,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:44:18,691 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-02 06:44:20,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:20,081 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-02 06:44:20,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:44:20,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-02 06:44:20,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:20,089 INFO L225 Difference]: With dead ends: 2066 [2018-12-02 06:44:20,089 INFO L226 Difference]: Without dead ends: 1390 [2018-12-02 06:44:20,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:44:20,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-02 06:44:20,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-02 06:44:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-02 06:44:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-02 06:44:20,128 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 130 [2018-12-02 06:44:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:20,129 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-02 06:44:20,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:44:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-02 06:44:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 06:44:20,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:20,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:20,132 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:20,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:20,132 INFO L82 PathProgramCache]: Analyzing trace with hash -32887422, now seen corresponding path program 1 times [2018-12-02 06:44:20,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:20,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:20,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:20,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:20,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:20,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:44:20,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:44:20,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:20,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:44:20,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:44:20,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:44:20,251 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-02 06:44:22,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:22,199 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-02 06:44:22,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:44:22,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-12-02 06:44:22,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:22,207 INFO L225 Difference]: With dead ends: 3472 [2018-12-02 06:44:22,207 INFO L226 Difference]: Without dead ends: 2106 [2018-12-02 06:44:22,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:44:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-02 06:44:22,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-02 06:44:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 06:44:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-02 06:44:22,241 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 159 [2018-12-02 06:44:22,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:22,241 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-02 06:44:22,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:44:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-02 06:44:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 06:44:22,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:22,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:22,243 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:22,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:22,243 INFO L82 PathProgramCache]: Analyzing trace with hash -909637690, now seen corresponding path program 1 times [2018-12-02 06:44:22,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:22,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:22,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:22,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:22,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:22,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:44:22,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:44:22,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:22,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:44:22,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:44:22,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:44:22,328 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-02 06:44:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:23,931 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-02 06:44:23,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:44:23,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2018-12-02 06:44:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:23,939 INFO L225 Difference]: With dead ends: 5241 [2018-12-02 06:44:23,939 INFO L226 Difference]: Without dead ends: 3166 [2018-12-02 06:44:23,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:44:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-02 06:44:23,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-02 06:44:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-02 06:44:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-02 06:44:23,997 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 177 [2018-12-02 06:44:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:23,998 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-02 06:44:23,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:44:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-02 06:44:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 06:44:24,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:24,001 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 06:44:24,001 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:24,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:24,001 INFO L82 PathProgramCache]: Analyzing trace with hash -81123022, now seen corresponding path program 1 times [2018-12-02 06:44:24,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:24,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:24,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:24,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:24,002 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 120 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:44:24,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:44:24,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:44:24,145 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-02 06:44:24,146 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:44:24,175 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:44:24,175 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:44:24,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:44:24,463 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 06:44:24,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:24,471 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:44:24,723 INFO L227 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.06% of their original sizes. [2018-12-02 06:44:24,723 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:44:24,761 INFO L418 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2018-12-02 06:44:24,761 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:44:24,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:44:24,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-02 06:44:24,762 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:24,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:44:24,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:44:24,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:44:24,763 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-02 06:44:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:44:42,514 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-02 06:44:42,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:44:42,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-12-02 06:44:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:44:42,519 INFO L225 Difference]: With dead ends: 6612 [2018-12-02 06:44:42,519 INFO L226 Difference]: Without dead ends: 3478 [2018-12-02 06:44:42,522 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:44:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-02 06:44:42,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-02 06:44:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-02 06:44:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-02 06:44:42,560 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 259 [2018-12-02 06:44:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:44:42,560 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-02 06:44:42,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:44:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-02 06:44:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-02 06:44:42,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:44:42,564 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:44:42,564 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:44:42,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:42,564 INFO L82 PathProgramCache]: Analyzing trace with hash -956372341, now seen corresponding path program 1 times [2018-12-02 06:44:42,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:44:42,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:42,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:44:42,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:44:42,565 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:44:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 232 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 06:44:42,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:44:42,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:44:42,753 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 351 with the following transitions: [2018-12-02 06:44:42,753 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:44:42,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:44:42,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:44:42,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:44:42,932 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:44:42,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:42,934 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:44:43,199 INFO L227 lantSequenceWeakener]: Weakened 347 states. On average, predicates are now at 80.61% of their original sizes. [2018-12-02 06:44:43,199 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:44:43,246 INFO L418 sIntCurrentIteration]: We unified 349 AI predicates to 349 [2018-12-02 06:44:43,246 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:44:43,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:44:43,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 06:44:43,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:44:43,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:44:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:44:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:44:43,247 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-02 06:46:19,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:46:19,389 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-02 06:46:19,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 06:46:19,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 350 [2018-12-02 06:46:19,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:46:19,402 INFO L225 Difference]: With dead ends: 7683 [2018-12-02 06:46:19,402 INFO L226 Difference]: Without dead ends: 4549 [2018-12-02 06:46:19,407 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 06:46:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-02 06:46:19,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-02 06:46:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 06:46:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-02 06:46:19,470 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 350 [2018-12-02 06:46:19,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:46:19,471 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-02 06:46:19,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:46:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-02 06:46:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-12-02 06:46:19,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:46:19,476 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:46:19,477 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:46:19,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:19,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1061489523, now seen corresponding path program 1 times [2018-12-02 06:46:19,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:46:19,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:19,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:19,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:19,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:46:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 246 proven. 53 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-02 06:46:19,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:19,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:46:19,632 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 499 with the following transitions: [2018-12-02 06:46:19,633 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:46:19,636 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:46:19,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:46:19,935 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:46:19,935 INFO L272 AbstractInterpreter]: Visited 249 different actions 741 times. Merged at 7 different actions 16 times. Never widened. Performed 8363 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8363 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:46:19,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:19,937 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:46:19,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:19,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:46:19,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:19,944 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:46:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:20,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:46:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 06:46:20,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:46:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 06:46:20,256 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:46:20,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-02 06:46:20,256 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:46:20,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:46:20,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:46:20,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:46:20,257 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-02 06:46:21,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:46:21,222 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-02 06:46:21,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:46:21,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2018-12-02 06:46:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:46:21,229 INFO L225 Difference]: With dead ends: 8693 [2018-12-02 06:46:21,229 INFO L226 Difference]: Without dead ends: 4518 [2018-12-02 06:46:21,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:46:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-02 06:46:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-02 06:46:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 06:46:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-02 06:46:21,280 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 498 [2018-12-02 06:46:21,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:46:21,281 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-02 06:46:21,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:46:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-02 06:46:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-12-02 06:46:21,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:46:21,288 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:46:21,288 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:46:21,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:21,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2071540874, now seen corresponding path program 1 times [2018-12-02 06:46:21,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:46:21,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:21,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:21,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:21,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:46:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 74 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:46:21,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:21,775 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:46:21,775 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 524 with the following transitions: [2018-12-02 06:46:21,775 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:46:21,778 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:46:21,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:46:22,065 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:46:22,065 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8327 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:46:22,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:22,071 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:46:22,328 INFO L227 lantSequenceWeakener]: Weakened 520 states. On average, predicates are now at 80.35% of their original sizes. [2018-12-02 06:46:22,328 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:46:22,372 INFO L418 sIntCurrentIteration]: We unified 522 AI predicates to 522 [2018-12-02 06:46:22,372 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:46:22,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:46:22,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-02 06:46:22,372 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:46:22,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:46:22,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:46:22,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:46:22,373 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-02 06:46:53,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:46:53,798 INFO L93 Difference]: Finished difference Result 6233 states and 7430 transitions. [2018-12-02 06:46:53,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 06:46:53,798 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 523 [2018-12-02 06:46:53,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:46:53,809 INFO L225 Difference]: With dead ends: 6233 [2018-12-02 06:46:53,809 INFO L226 Difference]: Without dead ends: 6231 [2018-12-02 06:46:53,810 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 06:46:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2018-12-02 06:46:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6218. [2018-12-02 06:46:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6218 states. [2018-12-02 06:46:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 7415 transitions. [2018-12-02 06:46:53,891 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 7415 transitions. Word has length 523 [2018-12-02 06:46:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:46:53,891 INFO L480 AbstractCegarLoop]: Abstraction has 6218 states and 7415 transitions. [2018-12-02 06:46:53,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:46:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 7415 transitions. [2018-12-02 06:46:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2018-12-02 06:46:53,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:46:53,903 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:46:53,903 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:46:53,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:53,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1967616491, now seen corresponding path program 1 times [2018-12-02 06:46:53,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:46:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:53,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:53,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:46:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 06:46:54,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:54,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:46:54,144 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 661 with the following transitions: [2018-12-02 06:46:54,144 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:46:54,146 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:46:54,146 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:46:54,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:46:54,570 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11690 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11690 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 06:46:54,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:54,572 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:46:54,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:54,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:46:54,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:54,578 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:46:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:54,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:46:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 739 proven. 2 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-02 06:46:54,780 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:46:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 06:46:54,988 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:46:54,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 06:46:54,988 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:46:54,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:46:54,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:46:54,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:46:54,989 INFO L87 Difference]: Start difference. First operand 6218 states and 7415 transitions. Second operand 9 states. [2018-12-02 06:46:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:46:57,561 INFO L93 Difference]: Finished difference Result 14999 states and 18658 transitions. [2018-12-02 06:46:57,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:46:57,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 660 [2018-12-02 06:46:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:46:57,579 INFO L225 Difference]: With dead ends: 14999 [2018-12-02 06:46:57,579 INFO L226 Difference]: Without dead ends: 9124 [2018-12-02 06:46:57,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1323 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:46:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2018-12-02 06:46:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 8412. [2018-12-02 06:46:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-02 06:46:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-02 06:46:57,681 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 660 [2018-12-02 06:46:57,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:46:57,681 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-02 06:46:57,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:46:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-02 06:46:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2018-12-02 06:46:57,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:46:57,691 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:46:57,692 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:46:57,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:57,692 INFO L82 PathProgramCache]: Analyzing trace with hash -191612665, now seen corresponding path program 1 times [2018-12-02 06:46:57,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:46:57,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:57,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:46:57,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:46:57,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:46:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:46:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1499 backedges. 519 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-02 06:46:58,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:46:58,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:46:58,934 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 905 with the following transitions: [2018-12-02 06:46:58,934 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:46:58,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:46:58,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:46:59,082 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:46:59,083 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:46:59,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:46:59,085 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:46:59,482 INFO L227 lantSequenceWeakener]: Weakened 901 states. On average, predicates are now at 77.53% of their original sizes. [2018-12-02 06:46:59,482 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:46:59,528 INFO L418 sIntCurrentIteration]: We unified 903 AI predicates to 903 [2018-12-02 06:46:59,528 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:46:59,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:46:59,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 06:46:59,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:46:59,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:46:59,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:46:59,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:46:59,529 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-02 06:47:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:47:55,962 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-02 06:47:55,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 06:47:55,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 904 [2018-12-02 06:47:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:47:55,976 INFO L225 Difference]: With dead ends: 16822 [2018-12-02 06:47:55,976 INFO L226 Difference]: Without dead ends: 8753 [2018-12-02 06:47:55,985 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 911 GetRequests, 895 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 06:47:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-02 06:47:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-02 06:47:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-02 06:47:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-02 06:47:56,069 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 904 [2018-12-02 06:47:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:47:56,069 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-02 06:47:56,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:47:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-02 06:47:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2018-12-02 06:47:56,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:47:56,080 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:47:56,080 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:47:56,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:47:56,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1550371177, now seen corresponding path program 1 times [2018-12-02 06:47:56,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:47:56,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:47:56,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:47:56,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:47:56,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:47:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:47:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 703 proven. 520 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-02 06:47:56,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:47:56,604 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:47:56,604 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 913 with the following transitions: [2018-12-02 06:47:56,605 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:47:56,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:47:56,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:47:56,830 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:47:56,830 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:47:56,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:47:56,832 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:47:57,240 INFO L227 lantSequenceWeakener]: Weakened 909 states. On average, predicates are now at 80.25% of their original sizes. [2018-12-02 06:47:57,241 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:47:57,276 INFO L418 sIntCurrentIteration]: We unified 911 AI predicates to 911 [2018-12-02 06:47:57,277 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:47:57,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:47:57,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-12-02 06:47:57,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:47:57,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:47:57,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:47:57,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:47:57,278 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 9 states. [2018-12-02 06:48:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:42,165 INFO L93 Difference]: Finished difference Result 16829 states and 20358 transitions. [2018-12-02 06:48:42,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 06:48:42,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 912 [2018-12-02 06:48:42,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:42,179 INFO L225 Difference]: With dead ends: 16829 [2018-12-02 06:48:42,179 INFO L226 Difference]: Without dead ends: 8760 [2018-12-02 06:48:42,188 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 918 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:48:42,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2018-12-02 06:48:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8753. [2018-12-02 06:48:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8753 states. [2018-12-02 06:48:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8753 states to 8753 states and 10522 transitions. [2018-12-02 06:48:42,269 INFO L78 Accepts]: Start accepts. Automaton has 8753 states and 10522 transitions. Word has length 912 [2018-12-02 06:48:42,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:42,270 INFO L480 AbstractCegarLoop]: Abstraction has 8753 states and 10522 transitions. [2018-12-02 06:48:42,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:48:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 8753 states and 10522 transitions. [2018-12-02 06:48:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-12-02 06:48:42,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:42,280 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:42,280 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:42,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:42,280 INFO L82 PathProgramCache]: Analyzing trace with hash -808044722, now seen corresponding path program 1 times [2018-12-02 06:48:42,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:42,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:42,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:42,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:42,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-02 06:48:43,393 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:43,393 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:48:43,393 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-12-02 06:48:43,393 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:48:43,395 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:48:43,395 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:48:43,815 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:48:43,815 INFO L272 AbstractInterpreter]: Visited 262 different actions 1313 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Performed 15992 root evaluator evaluations with a maximum evaluation depth of 9. Performed 15992 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 06:48:43,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:43,817 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:48:43,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:43,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:48:43,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:43,823 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:48:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:43,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:48:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 1129 proven. 2 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2018-12-02 06:48:44,254 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:48:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-02 06:48:44,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:48:44,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-02 06:48:44,701 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:48:44,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 06:48:44,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 06:48:44,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-02 06:48:44,702 INFO L87 Difference]: Start difference. First operand 8753 states and 10522 transitions. Second operand 15 states. [2018-12-02 06:48:49,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:49,022 INFO L93 Difference]: Finished difference Result 21872 states and 27192 transitions. [2018-12-02 06:48:49,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-02 06:48:49,023 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 995 [2018-12-02 06:48:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:49,043 INFO L225 Difference]: With dead ends: 21872 [2018-12-02 06:48:49,043 INFO L226 Difference]: Without dead ends: 12164 [2018-12-02 06:48:49,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2062 GetRequests, 2010 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 06:48:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12164 states. [2018-12-02 06:48:49,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12164 to 12088. [2018-12-02 06:48:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12088 states. [2018-12-02 06:48:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 12088 states and 13201 transitions. [2018-12-02 06:48:49,180 INFO L78 Accepts]: Start accepts. Automaton has 12088 states and 13201 transitions. Word has length 995 [2018-12-02 06:48:49,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:49,181 INFO L480 AbstractCegarLoop]: Abstraction has 12088 states and 13201 transitions. [2018-12-02 06:48:49,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 06:48:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 12088 states and 13201 transitions. [2018-12-02 06:48:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2018-12-02 06:48:49,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:49,189 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:49,189 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:49,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:49,189 INFO L82 PathProgramCache]: Analyzing trace with hash -499022922, now seen corresponding path program 1 times [2018-12-02 06:48:49,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:49,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:49,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:49,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:49,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 952 proven. 8 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2018-12-02 06:48:50,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:50,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:48:50,053 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1008 with the following transitions: [2018-12-02 06:48:50,053 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:48:50,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:48:50,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:48:50,442 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:48:50,442 INFO L272 AbstractInterpreter]: Visited 252 different actions 1016 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 11870 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11870 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 06:48:50,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:50,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:48:50,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:50,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:48:50,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:50,450 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:48:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:50,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:48:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-12-02 06:48:50,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:48:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-12-02 06:48:51,107 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:48:51,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-02 06:48:51,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:48:51,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:48:51,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:48:51,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:48:51,108 INFO L87 Difference]: Start difference. First operand 12088 states and 13201 transitions. Second operand 3 states. [2018-12-02 06:48:51,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:51,689 INFO L93 Difference]: Finished difference Result 21809 states and 23949 transitions. [2018-12-02 06:48:51,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:48:51,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1007 [2018-12-02 06:48:51,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:51,704 INFO L225 Difference]: With dead ends: 21809 [2018-12-02 06:48:51,704 INFO L226 Difference]: Without dead ends: 12088 [2018-12-02 06:48:51,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2021 GetRequests, 2013 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:48:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12088 states. [2018-12-02 06:48:51,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12088 to 12088. [2018-12-02 06:48:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12088 states. [2018-12-02 06:48:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 12088 states and 13075 transitions. [2018-12-02 06:48:51,819 INFO L78 Accepts]: Start accepts. Automaton has 12088 states and 13075 transitions. Word has length 1007 [2018-12-02 06:48:51,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:51,819 INFO L480 AbstractCegarLoop]: Abstraction has 12088 states and 13075 transitions. [2018-12-02 06:48:51,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:48:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 12088 states and 13075 transitions. [2018-12-02 06:48:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2018-12-02 06:48:51,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:51,834 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:51,834 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:51,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:51,834 INFO L82 PathProgramCache]: Analyzing trace with hash -2019457786, now seen corresponding path program 1 times [2018-12-02 06:48:51,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:51,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:51,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:51,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:51,835 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-02 06:48:52,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:52,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:48:52,602 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1316 with the following transitions: [2018-12-02 06:48:52,602 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:48:52,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:48:52,604 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:48:53,033 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:48:53,033 INFO L272 AbstractInterpreter]: Visited 254 different actions 1022 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 11977 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11977 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 06:48:53,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:53,035 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:48:53,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:53,035 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:48:53,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:53,041 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:48:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:53,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:48:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-02 06:48:53,604 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:48:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-02 06:48:54,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:48:54,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:48:54,188 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:48:54,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:48:54,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:48:54,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:48:54,189 INFO L87 Difference]: Start difference. First operand 12088 states and 13075 transitions. Second operand 9 states. [2018-12-02 06:48:56,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:56,099 INFO L93 Difference]: Finished difference Result 23313 states and 25788 transitions. [2018-12-02 06:48:56,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 06:48:56,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1315 [2018-12-02 06:48:56,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:56,118 INFO L225 Difference]: With dead ends: 23313 [2018-12-02 06:48:56,118 INFO L226 Difference]: Without dead ends: 11857 [2018-12-02 06:48:56,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2657 GetRequests, 2635 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 06:48:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2018-12-02 06:48:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11745. [2018-12-02 06:48:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11745 states. [2018-12-02 06:48:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11745 states to 11745 states and 12608 transitions. [2018-12-02 06:48:56,249 INFO L78 Accepts]: Start accepts. Automaton has 11745 states and 12608 transitions. Word has length 1315 [2018-12-02 06:48:56,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:56,250 INFO L480 AbstractCegarLoop]: Abstraction has 11745 states and 12608 transitions. [2018-12-02 06:48:56,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:48:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 11745 states and 12608 transitions. [2018-12-02 06:48:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2018-12-02 06:48:56,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:56,266 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:56,266 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:56,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:56,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2113326017, now seen corresponding path program 1 times [2018-12-02 06:48:56,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:56,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:56,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:56,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:56,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3905 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-02 06:48:56,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:48:56,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:48:56,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:48:56,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:48:56,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:48:56,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:48:56,956 INFO L87 Difference]: Start difference. First operand 11745 states and 12608 transitions. Second operand 4 states. [2018-12-02 06:48:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:57,764 INFO L93 Difference]: Finished difference Result 19401 states and 20935 transitions. [2018-12-02 06:48:57,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:48:57,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1412 [2018-12-02 06:48:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:57,775 INFO L225 Difference]: With dead ends: 19401 [2018-12-02 06:48:57,775 INFO L226 Difference]: Without dead ends: 8983 [2018-12-02 06:48:57,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:48:57,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2018-12-02 06:48:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 8983. [2018-12-02 06:48:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8983 states. [2018-12-02 06:48:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8983 states to 8983 states and 9522 transitions. [2018-12-02 06:48:57,868 INFO L78 Accepts]: Start accepts. Automaton has 8983 states and 9522 transitions. Word has length 1412 [2018-12-02 06:48:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:57,869 INFO L480 AbstractCegarLoop]: Abstraction has 8983 states and 9522 transitions. [2018-12-02 06:48:57,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:48:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8983 states and 9522 transitions. [2018-12-02 06:48:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2018-12-02 06:48:57,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:57,884 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 06:48:57,884 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:57,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2135487007, now seen corresponding path program 1 times [2018-12-02 06:48:57,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:57,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:57,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:57,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:57,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-02 06:48:58,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:58,872 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:48:58,872 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1531 with the following transitions: [2018-12-02 06:48:58,872 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:48:58,874 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:48:58,874 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:48:59,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:48:59,390 INFO L272 AbstractInterpreter]: Visited 255 different actions 1024 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 12022 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 06:48:59,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:59,391 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:48:59,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:48:59,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:48:59,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:59,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:48:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:59,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-02 06:49:00,182 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-02 06:49:00,891 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:00,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-02 06:49:00,892 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:00,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:49:00,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:49:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:49:00,893 INFO L87 Difference]: Start difference. First operand 8983 states and 9522 transitions. Second operand 10 states. [2018-12-02 06:49:02,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:02,565 INFO L93 Difference]: Finished difference Result 18658 states and 19809 transitions. [2018-12-02 06:49:02,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 06:49:02,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1530 [2018-12-02 06:49:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:02,576 INFO L225 Difference]: With dead ends: 18658 [2018-12-02 06:49:02,576 INFO L226 Difference]: Without dead ends: 10018 [2018-12-02 06:49:02,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 3062 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:49:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10018 states. [2018-12-02 06:49:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10018 to 10016. [2018-12-02 06:49:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10016 states. [2018-12-02 06:49:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 10447 transitions. [2018-12-02 06:49:02,668 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 10447 transitions. Word has length 1530 [2018-12-02 06:49:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:02,669 INFO L480 AbstractCegarLoop]: Abstraction has 10016 states and 10447 transitions. [2018-12-02 06:49:02,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:49:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 10447 transitions. [2018-12-02 06:49:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1728 [2018-12-02 06:49:02,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:02,688 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 06:49:02,688 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:02,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:02,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1877335462, now seen corresponding path program 1 times [2018-12-02 06:49:02,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:02,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:02,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:02,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:02,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-12-02 06:49:03,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:03,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:03,742 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1728 with the following transitions: [2018-12-02 06:49:03,742 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:49:03,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:03,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:04,194 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:04,194 INFO L272 AbstractInterpreter]: Visited 271 different actions 1093 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12957 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 06:49:04,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:04,196 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:04,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:04,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:04,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:04,201 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:04,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 2918 proven. 2 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2018-12-02 06:49:05,087 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-12-02 06:49:05,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:05,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:49:05,966 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:05,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:49:05,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:49:05,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:49:05,967 INFO L87 Difference]: Start difference. First operand 10016 states and 10447 transitions. Second operand 9 states. [2018-12-02 06:49:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:07,304 INFO L93 Difference]: Finished difference Result 17242 states and 17928 transitions. [2018-12-02 06:49:07,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 06:49:07,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1727 [2018-12-02 06:49:07,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:07,315 INFO L225 Difference]: With dead ends: 17242 [2018-12-02 06:49:07,315 INFO L226 Difference]: Without dead ends: 9605 [2018-12-02 06:49:07,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3471 GetRequests, 3455 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:49:07,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9605 states. [2018-12-02 06:49:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9605 to 9585. [2018-12-02 06:49:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9585 states. [2018-12-02 06:49:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9585 states to 9585 states and 9799 transitions. [2018-12-02 06:49:07,392 INFO L78 Accepts]: Start accepts. Automaton has 9585 states and 9799 transitions. Word has length 1727 [2018-12-02 06:49:07,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:07,392 INFO L480 AbstractCegarLoop]: Abstraction has 9585 states and 9799 transitions. [2018-12-02 06:49:07,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:49:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 9585 states and 9799 transitions. [2018-12-02 06:49:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1867 [2018-12-02 06:49:07,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:07,409 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:07,409 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:07,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:07,410 INFO L82 PathProgramCache]: Analyzing trace with hash 2128718798, now seen corresponding path program 1 times [2018-12-02 06:49:07,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:07,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:07,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 2521 proven. 1143 refuted. 0 times theorem prover too weak. 2974 trivial. 0 not checked. [2018-12-02 06:49:10,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:10,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:10,430 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1867 with the following transitions: [2018-12-02 06:49:10,430 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], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:49:10,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:10,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:11,095 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:11,096 INFO L272 AbstractInterpreter]: Visited 353 different actions 1407 times. Merged at 11 different actions 36 times. Never widened. Performed 17366 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 06:49:11,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:11,097 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:11,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:11,097 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:11,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:11,103 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:11,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 4694 proven. 6 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2018-12-02 06:49:12,301 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 1753 proven. 852 refuted. 0 times theorem prover too weak. 4033 trivial. 0 not checked. [2018-12-02 06:49:14,058 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:14,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-02 06:49:14,058 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:14,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 06:49:14,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 06:49:14,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-12-02 06:49:14,060 INFO L87 Difference]: Start difference. First operand 9585 states and 9799 transitions. Second operand 20 states. [2018-12-02 06:49:19,747 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-12-02 06:49:26,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:26,630 INFO L93 Difference]: Finished difference Result 18227 states and 18736 transitions. [2018-12-02 06:49:26,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-12-02 06:49:26,630 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1866 [2018-12-02 06:49:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:26,642 INFO L225 Difference]: With dead ends: 18227 [2018-12-02 06:49:26,642 INFO L226 Difference]: Without dead ends: 11370 [2018-12-02 06:49:26,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3849 GetRequests, 3766 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1854 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1258, Invalid=5548, Unknown=0, NotChecked=0, Total=6806 [2018-12-02 06:49:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11370 states. [2018-12-02 06:49:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11370 to 11286. [2018-12-02 06:49:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11286 states. [2018-12-02 06:49:26,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11286 states to 11286 states and 11513 transitions. [2018-12-02 06:49:26,736 INFO L78 Accepts]: Start accepts. Automaton has 11286 states and 11513 transitions. Word has length 1866 [2018-12-02 06:49:26,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:26,737 INFO L480 AbstractCegarLoop]: Abstraction has 11286 states and 11513 transitions. [2018-12-02 06:49:26,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 06:49:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 11286 states and 11513 transitions. [2018-12-02 06:49:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1967 [2018-12-02 06:49:26,756 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:26,756 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:26,756 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:26,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:26,757 INFO L82 PathProgramCache]: Analyzing trace with hash -88678297, now seen corresponding path program 1 times [2018-12-02 06:49:26,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:26,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:26,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:26,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:26,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 06:49:28,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:28,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:28,171 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1967 with the following transitions: [2018-12-02 06:49:28,171 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:49:28,173 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:28,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:29,006 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:29,006 INFO L272 AbstractInterpreter]: Visited 290 different actions 1159 times. Merged at 11 different actions 31 times. Never widened. Performed 13963 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13963 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 06:49:29,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:29,008 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:29,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:29,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:29,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:29,014 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:29,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 06:49:30,091 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 06:49:31,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:31,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 06:49:31,323 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:31,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:49:31,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:49:31,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:49:31,324 INFO L87 Difference]: Start difference. First operand 11286 states and 11513 transitions. Second operand 7 states. [2018-12-02 06:49:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:32,740 INFO L93 Difference]: Finished difference Result 23944 states and 24517 transitions. [2018-12-02 06:49:32,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:49:32,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1966 [2018-12-02 06:49:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:32,755 INFO L225 Difference]: With dead ends: 23944 [2018-12-02 06:49:32,755 INFO L226 Difference]: Without dead ends: 15043 [2018-12-02 06:49:32,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3945 GetRequests, 3933 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-02 06:49:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15043 states. [2018-12-02 06:49:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15043 to 14688. [2018-12-02 06:49:32,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14688 states. [2018-12-02 06:49:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14688 states to 14688 states and 15014 transitions. [2018-12-02 06:49:32,879 INFO L78 Accepts]: Start accepts. Automaton has 14688 states and 15014 transitions. Word has length 1966 [2018-12-02 06:49:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:32,880 INFO L480 AbstractCegarLoop]: Abstraction has 14688 states and 15014 transitions. [2018-12-02 06:49:32,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:49:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 14688 states and 15014 transitions. [2018-12-02 06:49:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2014 [2018-12-02 06:49:32,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:32,902 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 06:49:32,903 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:32,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash -218158438, now seen corresponding path program 1 times [2018-12-02 06:49:32,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:32,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:32,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:32,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:32,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1372 proven. 960 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-12-02 06:49:35,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:35,141 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:35,142 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2014 with the following transitions: [2018-12-02 06:49:35,142 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 06:49:35,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:35,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:35,969 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:35,969 INFO L272 AbstractInterpreter]: Visited 290 different actions 1160 times. Merged at 11 different actions 32 times. Never widened. Performed 13964 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 06:49:35,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:35,971 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:35,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:35,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:35,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:35,977 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:36,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 5099 proven. 2 refuted. 0 times theorem prover too weak. 2646 trivial. 0 not checked. [2018-12-02 06:49:37,448 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1413 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-12-02 06:49:40,306 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:40,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-02 06:49:40,307 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:40,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 06:49:40,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 06:49:40,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-12-02 06:49:40,308 INFO L87 Difference]: Start difference. First operand 14688 states and 15014 transitions. Second operand 16 states. [2018-12-02 06:49:51,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:51,653 INFO L93 Difference]: Finished difference Result 27173 states and 28061 transitions. [2018-12-02 06:49:51,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-02 06:49:51,653 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2013 [2018-12-02 06:49:51,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:51,655 INFO L225 Difference]: With dead ends: 27173 [2018-12-02 06:49:51,655 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:49:51,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4124 GetRequests, 4060 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=699, Invalid=3207, Unknown=0, NotChecked=0, Total=3906 [2018-12-02 06:49:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:49:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:49:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:49:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:49:51,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2013 [2018-12-02 06:49:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:51,680 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:49:51,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 06:49:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:49:51,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:49:51,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:49:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:51,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,150 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 307 [2018-12-02 06:49:52,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:52,905 WARN L180 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 357 [2018-12-02 06:49:54,333 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 291 DAG size of output: 97 [2018-12-02 06:49:56,075 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 336 DAG size of output: 129 [2018-12-02 06:49:58,235 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 295 DAG size of output: 100 [2018-12-02 06:50:00,904 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 339 DAG size of output: 121 [2018-12-02 06:50:03,335 WARN L180 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 343 DAG size of output: 99 [2018-12-02 06:50:03,336 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:50:03,336 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 06:50:03,336 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,337 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse19 (= 3 |old(~a15~0)|)) (.cse18 (= 8 |old(~a12~0)|))) (let ((.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse23 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= 8 |old(~a16~0)|)) (.cse0 (= 4 |old(~a15~0)|)) (.cse5 (= 6 |old(~a12~0)|)) (.cse11 (not .cse18)) (.cse24 (not .cse19)) (.cse25 (not (= 11 |old(~a16~0)|))) (.cse20 (= 5 |old(~a12~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse6 (and (= |old(~a16~0)| ~a16~0) .cse15 .cse16)) (.cse9 (< 0 (+ |old(~a18~0)| 388559))) (.cse14 (= ~a16~0 10)) (.cse17 (not (= 10 |old(~a16~0)|))) (.cse22 (< 8 |old(~a16~0)|)) (.cse3 (< |old(~a16~0)| 12)) (.cse13 (not .cse20)) (.cse7 (not (= 9 |old(~a16~0)|))) (.cse27 (and (or .cse24 .cse11 .cse25) (or .cse24 (= 0 |old(~a18~0)|) (= 0 |old(~a12~0)|) .cse25))) (.cse2 (not .cse5)) (.cse8 (not .cse0)) (.cse10 (not .cse21)) (.cse1 (and .cse15 .cse26 .cse23 .cse16)) (.cse12 (< |old(~a12~0)| 6)) (.cse4 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse1) (or .cse8 .cse9 .cse10 .cse2 .cse1) (or .cse8 .cse2 .cse1 .cse4 .cse7) (or .cse5 .cse0 .cse12 .cse1 .cse3) (or .cse8 .cse10 .cse13 .cse1) (or .cse8 .cse11 .cse4 .cse1 .cse7) (or .cse0 (and .cse14 .cse15 .cse16) .cse17) (or .cse8 .cse10 .cse5 .cse18 .cse12 .cse1 (< 8 |old(~a12~0)|)) (or .cse6 (and .cse19 .cse20 .cse21) .cse0 .cse18 .cse22) (or .cse8 .cse9 .cse13 .cse1 .cse7) (or .cse8 .cse9 .cse1 .cse2 .cse7) (or .cse8 (and .cse15 .cse23 .cse14 .cse16) .cse17 (< 7 |old(~a12~0)|)) (or .cse8 .cse13 .cse1 .cse4 .cse7) (or .cse1 .cse12 (or .cse5 .cse24 .cse25)) (or .cse8 .cse5 .cse12 .cse18 .cse1 .cse4 .cse22) (or .cse24 .cse13 .cse3 .cse4 .cse1) (or .cse13 (and .cse26 .cse23 (= ~a12~0 5) .cse15) .cse27 .cse4) (or .cse10 .cse24 (and .cse26 (= 3 ~a15~0) .cse23 .cse16) .cse11 .cse4) (or .cse8 .cse5 .cse12 .cse18 .cse1 .cse7) (or .cse27 .cse1 .cse2 .cse4) (or .cse8 .cse10 .cse1 .cse12 .cse4))))) [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,338 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,339 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse19 (= 8 |old(~a12~0)|))) (let ((.cse9 (not (= calculate_output_~input 0))) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a12~0)| ~a12~0)) (.cse22 (= 4 |old(~a15~0)|)) (.cse17 (= 6 |old(~a12~0)|)) (.cse15 (not .cse19)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse27 (not (= 11 |old(~a16~0)|)))) (let ((.cse11 (and (or .cse8 .cse15 .cse27) (or .cse8 (= 0 |old(~a18~0)|) .cse27))) (.cse21 (= |old(~a16~0)| ~a16~0)) (.cse7 (not (= 9 |old(~a16~0)|))) (.cse1 (< 0 (+ |old(~a18~0)| 388559))) (.cse12 (not .cse17)) (.cse26 (= ~a16~0 10)) (.cse24 (not (= 10 |old(~a16~0)|))) (.cse0 (not .cse22)) (.cse16 (and .cse3 .cse4 .cse5 .cse6)) (.cse23 (< 8 |old(~a16~0)|)) (.cse20 (not (= 8 |old(~a16~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse13 (and .cse3 .cse9 .cse4 .cse5 .cse6)) (.cse25 (< |old(~a16~0)| 12)) (.cse14 (<= (+ |old(~a18~0)| 156) 0)) (.cse18 (< |old(~a12~0)| 6)) (.cse10 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= calculate_output_~input 4)) .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse2 .cse9 .cse10 .cse7) (or (or .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse2 .cse10 (and .cse9 .cse4 .cse5 (= ~a12~0 5) .cse3) .cse11 .cse14) (or .cse0 .cse15 .cse14 .cse16 .cse7) (or .cse0 .cse17 .cse16 .cse18 .cse19 .cse7) (or .cse0 .cse1 .cse16 .cse12 .cse7) (or .cse0 .cse20 .cse16 .cse12 .cse14) (or (and .cse21 (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) .cse3 .cse6) .cse22 .cse19 .cse23) (or .cse8 .cse2 .cse10 .cse24 .cse9) (or .cse17 .cse22 (and .cse21 .cse3 .cse6) .cse7) (or .cse0 .cse1 .cse20 .cse15 .cse16) (or .cse22 .cse16 .cse12 .cse25 .cse14) (or (or .cse0 .cse2) .cse16 .cse14 .cse7) (or .cse0 .cse12 .cse16 .cse14 .cse7) (or .cse0 .cse20 .cse16 .cse17 .cse19 .cse18 (< 8 |old(~a12~0)|)) (or .cse17 .cse22 .cse18 .cse16 .cse25) (or .cse0 .cse20 .cse2 .cse16) (or .cse0 .cse1 .cse20 .cse16 .cse12) (or .cse22 (and .cse26 .cse3 .cse6) .cse24) (or .cse0 .cse20 .cse16 .cse15 .cse14) (or .cse0 (and .cse3 .cse5 .cse26 .cse6) .cse24 (< 7 |old(~a12~0)|)) (or .cse0 .cse17 .cse18 .cse19 .cse16 .cse14 .cse23) (or .cse20 .cse8 (and .cse4 (= 3 ~a15~0) .cse5 .cse6) .cse15 .cse14) (or .cse8 .cse2 .cse10 .cse13 .cse25 .cse14) (or .cse18 (or .cse17 .cse8 .cse27 .cse10) (and .cse3 .cse4 .cse9 .cse5 .cse6)))))) [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,340 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,341 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,342 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 06:50:03,343 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 06:50:03,344 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,345 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,346 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,347 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse27 (= 8 |old(~a12~0)|))) (let ((.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 4 |old(~a15~0)|)) (.cse25 (+ |old(~a18~0)| 156)) (.cse6 (= 6 |old(~a12~0)|)) (.cse11 (not .cse27)) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse10 (not (= 8 |old(~a16~0)|))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse19 (not (= 11 |old(~a16~0)|)))) (let ((.cse20 (and (or .cse10 .cse1 .cse2) (or .cse1 .cse2 (not (= (+ |old(~a18~0)| 87) 0)) .cse19))) (.cse21 (<= (+ ~a18~0 156) 0)) (.cse16 (< 0 (+ |old(~a18~0)| 388559))) (.cse9 (and (= |old(~a16~0)| ~a16~0) .cse22 .cse14)) (.cse4 (< |old(~a16~0)| 12)) (.cse23 (= ~a16~0 10)) (.cse24 (not (= 10 |old(~a16~0)|))) (.cse28 (< 8 |old(~a16~0)|)) (.cse3 (= |calculate_output_#in~input| 0)) (.cse26 (and (or .cse1 .cse11 .cse19) (or .cse1 (= 0 |old(~a18~0)|) .cse19))) (.cse17 (not .cse6)) (.cse5 (<= .cse25 0)) (.cse15 (not .cse7)) (.cse18 (< |old(~a12~0)| 6)) (.cse0 (and .cse22 .cse12 .cse13 .cse14)) (.cse8 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse1 .cse11 .cse5 (and .cse12 (= 3 ~a15~0) .cse13 .cse14)) (or .cse15 .cse16 .cse17 .cse0 .cse8) (or .cse15 .cse11 .cse5 .cse0 .cse8) (or .cse15 .cse16 .cse2 .cse0 .cse8) (or .cse18 .cse0 (or .cse6 .cse1 .cse19 .cse3)) (or (<= (+ |old(~a18~0)| 79) 0) .cse3 .cse20 (or .cse21 (< 0 (+ ~a18~0 79)))) (or (and .cse22 .cse13 .cse23 .cse14) .cse15 .cse24 (< 7 |old(~a12~0)|)) (or .cse15 .cse10 .cse11 .cse0 .cse5) (or .cse15 .cse16 .cse0 .cse10 .cse17) (or .cse0 (or .cse15 .cse2) .cse5 .cse8) (or (and (<= |old(~a18~0)| 134) (< 0 .cse25)) .cse3 .cse20 (or .cse21 (< 134 ~a18~0))) (or .cse7 .cse0 .cse17 .cse4 .cse5) (or .cse15 .cse16 .cse10 .cse11 .cse0) (or .cse2 .cse3 (and .cse12 .cse13 (= ~a12~0 5) .cse22) .cse26 .cse5) (or .cse15 .cse17 .cse0 .cse5 .cse8) (or .cse15 .cse10 .cse0 .cse6 .cse27 .cse18 (< 8 |old(~a12~0)|)) (or .cse9 .cse7 .cse27 .cse28) (or .cse6 .cse7 .cse18 .cse0 .cse4) (or .cse15 .cse10 .cse2 .cse0) (or .cse7 (and .cse23 .cse22 .cse14) .cse24) (or .cse15 .cse10 .cse17 .cse5 .cse0) (or .cse15 .cse6 .cse18 .cse27 .cse0 .cse5 .cse28) (or (or .cse3 .cse26 .cse17) .cse0 .cse5) (or .cse15 .cse6 .cse18 .cse27 .cse0 .cse8))))) [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 06:50:03,348 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,349 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,350 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,351 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,352 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 06:50:03,353 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,354 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 06:50:03,355 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-02 06:50:03,356 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 06:50:03,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse15 (= ~a15~0 3)) (.cse9 (not (= ~a12~0 6))) (.cse0 (not (= ~a15~0 4))) (.cse18 (= ~a12~0 8))) (let ((.cse1 (not .cse18)) (.cse14 (= ~a16~0 10)) (.cse16 (and .cse9 .cse0 (not (= ~a16~0 12)))) (.cse10 (= 5 ~a12~0)) (.cse12 (<= 12 ~a16~0)) (.cse4 (< 0 (+ ~a18~0 156))) (.cse13 (= 6 ~a12~0)) (.cse7 (= 9 ~a16~0)) (.cse8 (= 8 ~a16~0)) (.cse6 (= 4 ~a15~0)) (.cse11 (<= (+ ~a18~0 388559) 0)) (.cse2 (not (= main_~input~0 0))) (.cse3 (let ((.cse17 (= ~a16~0 11))) (or (and .cse17 .cse15 (not (= ~a18~0 0))) (and .cse17 .cse15 .cse18)))) (.cse5 (<= 6 ~a12~0))) (or (and .cse0 (<= ~a16~0 8) .cse1) (not (= 11 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and (= ~a16~0 8) (= 3 ~a15~0) .cse4) (and .cse8 .cse6 .cse4 .cse5) (and .cse9 .cse1 .cse7 .cse5) (and .cse10 .cse11 .cse7) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse12 .cse13 (= |old(~a15~0)| ~a15~0) .cse4) (and .cse10 .cse7 .cse4) (and .cse14 (<= ~a12~0 7)) (and .cse9 .cse1 (<= ~a16~0 9) .cse4 .cse5) (and (and .cse2 .cse9 .cse15 .cse1) .cse5) (and .cse2 .cse3 .cse4 (= |old(~a12~0)| ~a12~0)) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse14) (and .cse7 .cse16) (and .cse8 .cse10) (and .cse12 .cse9 .cse0 .cse5) (and (and .cse12 .cse2 .cse15 (= ~a12~0 5)) .cse4) (and .cse8 (= 7 ~a12~0)) (and .cse13 .cse6 .cse11 .cse7) (and .cse8 .cse6 (<= ~a12~0 8) .cse11 .cse5) (and .cse2 .cse9 .cse3 .cse5)))) [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 06:50:03,357 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 06:50:03,358 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse0 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse19 (= ~a12~0 8))) (let ((.cse2 (not .cse19)) (.cse14 (= ~a16~0 10)) (.cse15 (and .cse0 .cse4 (not (= ~a16~0 12)))) (.cse9 (= 5 ~a12~0)) (.cse11 (<= 12 ~a16~0)) (.cse6 (= 9 ~a16~0)) (.cse8 (= 8 ~a16~0)) (.cse5 (= 4 ~a15~0)) (.cse10 (<= (+ ~a18~0 388559) 0)) (.cse3 (<= 6 ~a12~0)) (.cse16 (= ~a12~0 5)) (.cse12 (= 6 ~a12~0)) (.cse17 (let ((.cse18 (= ~a16~0 11))) (or (and .cse18 .cse1 .cse19) (and .cse18 .cse1 (not (= ~a12~0 0)) (not (= ~a18~0 0)))))) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= |old(~a15~0)| ~a15~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (<= ~a16~0 8) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse5 .cse6 .cse7 .cse3) (and (= ~a16~0 8) (= 3 ~a15~0) .cse7) (and .cse8 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse9 .cse10 .cse6) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse11 .cse12 .cse13 .cse7) (and .cse9 .cse6 .cse7) (and .cse14 (<= ~a12~0 7)) (and .cse0 .cse2 (<= ~a16~0 9) .cse7 .cse3) (not (= 5 |old(~a12~0)|)) (and .cse15 .cse14) (and (and .cse11 (and .cse1 .cse16)) .cse7) (and .cse6 .cse15) (and .cse8 .cse9) (and .cse11 .cse0 .cse4 .cse3) (and .cse8 (= 7 ~a12~0)) (and .cse12 .cse5 .cse10 .cse6) (and .cse8 .cse5 (<= ~a12~0 8) .cse10 .cse3) (and (and .cse16 .cse17) .cse7) (and .cse12 .cse17 .cse7) (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) .cse13)))) [2018-12-02 06:50:03,358 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 06:50:03,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:50:03 BoogieIcfgContainer [2018-12-02 06:50:03,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:50:03,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:50:03,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:50:03,371 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:50:03,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:16" (3/4) ... [2018-12-02 06:50:03,375 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:50:03,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:50:03,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 06:50:03,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:50:03,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:50:03,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 06:50:03,400 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:50:03,425 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && 6 <= a12) || ((!(a15 == 4) && a16 <= 8) && !(a12 == 8))) || !(11 == \old(a16))) || (((4 == a15 && 9 == a16) && 0 < a18 + 156) && 6 <= a12)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((12 <= a16 && 6 == a12) && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((12 <= a16 && a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || (((6 == a12 && 4 == a15) && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || ((a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((8 == a12 && \old(a16) == a16) && \old(a15) == a15) [2018-12-02 06:50:03,532 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3766469-000f-4354-ae89-6a6b9dbe6d48/bin-2019/utaipan/witness.graphml [2018-12-02 06:50:03,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:50:03,533 INFO L168 Benchmark]: Toolchain (without parser) took 348633.24 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 939.0 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,533 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:50:03,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,534 INFO L168 Benchmark]: Boogie Preprocessor took 57.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,534 INFO L168 Benchmark]: RCFGBuilder took 1337.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.5 MB). Peak memory consumption was 227.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,534 INFO L168 Benchmark]: TraceAbstraction took 346488.93 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,534 INFO L168 Benchmark]: Witness Printer took 161.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:03,535 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1337.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.5 MB). Peak memory consumption was 227.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 346488.93 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 161.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && 6 <= a12) || ((!(a15 == 4) && a16 <= 8) && !(a12 == 8))) || !(11 == \old(a16))) || (((4 == a15 && 9 == a16) && 0 < a18 + 156) && 6 <= a12)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((12 <= a16 && 6 == a12) && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((12 <= a16 && a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || (((6 == a12 && 4 == a15) && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || ((a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((8 == a12 && \old(a16) == a16) && \old(a15) == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 346.4s OverallTime, 20 OverallIterations, 11 TraceHistogramMax, 292.8s AutomataDifference, 0.0s DeadEndRemovalTime, 11.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 3115 SDtfs, 32774 SDslu, 2683 SDs, 0 SdLazy, 75648 SolverSat, 8413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 259.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 30572 GetRequests, 30173 SyntacticMatches, 23 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4066 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14688occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.4s AbstIntTime, 15 AbstIntIterations, 5 AbstIntStrong, 0.998106410882217 AbsIntWeakeningRatio, 0.05844376486578321 AbsIntAvgWeakeningVarsNumRemoved, 16.10499490316004 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 1484 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1712 PreInvPairs, 2068 NumberOfFragments, 3295 HoareAnnotationTreeSize, 1712 FomulaSimplifications, 47898 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 48376 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 32041 NumberOfCodeBlocks, 32041 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 45578 ConstructedInterpolants, 0 QuantifiedInterpolants, 175077676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17638 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 40 InterpolantComputations, 9 PerfectInterpolantSequences, 128788/136072 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...