./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 3812c831b8b49ff0b200ce5b38627f93268691f2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:36:59,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:36:59,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:36:59,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:36:59,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:36:59,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:36:59,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:36:59,223 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:36:59,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:36:59,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:36:59,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:36:59,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:36:59,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:36:59,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:36:59,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:36:59,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:36:59,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:36:59,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:36:59,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:36:59,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:36:59,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:36:59,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:36:59,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:36:59,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:36:59,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:36:59,232 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:36:59,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:36:59,233 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:36:59,233 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:36:59,234 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:36:59,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:36:59,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:36:59,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:36:59,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:36:59,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:36:59,235 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:36:59,235 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:36:59,242 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:36:59,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:36:59,243 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:36:59,243 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:36:59,243 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:36:59,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:36:59,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:36:59,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:36:59,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:36:59,245 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:36:59,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:36:59,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:36:59,246 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:36:59,246 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_91fdac3b-8076-4bbf-b774-17f4a109911f/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 -> 3812c831b8b49ff0b200ce5b38627f93268691f2 [2018-12-09 11:36:59,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:36:59,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:36:59,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:36:59,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:36:59,272 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:36:59,272 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-12-09 11:36:59,307 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/data/896bfe423/fd980d953e414f519defcde3863d2df0/FLAG7c9b661a1 [2018-12-09 11:36:59,719 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:36:59,719 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-12-09 11:36:59,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/data/896bfe423/fd980d953e414f519defcde3863d2df0/FLAG7c9b661a1 [2018-12-09 11:37:00,051 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/data/896bfe423/fd980d953e414f519defcde3863d2df0 [2018-12-09 11:37:00,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:37:00,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:37:00,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:37:00,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:37:00,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:37:00,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf82b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00, skipping insertion in model container [2018-12-09 11:37:00,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:37:00,141 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:37:00,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:37:00,341 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:37:00,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:37:00,453 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:37:00,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00 WrapperNode [2018-12-09 11:37:00,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:37:00,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:37:00,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:37:00,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:37:00,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:37:00,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:37:00,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:37:00,474 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:37:00,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... [2018-12-09 11:37:00,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:37:00,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:37:00,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:37:00,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:37:00,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:37:00,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:37:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:37:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 11:37:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 11:37:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:37:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:37:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:37:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:37:01,228 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:37:01,229 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:37:01,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:01 BoogieIcfgContainer [2018-12-09 11:37:01,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:37:01,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:37:01,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:37:01,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:37:01,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:37:00" (1/3) ... [2018-12-09 11:37:01,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7911b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:37:01, skipping insertion in model container [2018-12-09 11:37:01,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:00" (2/3) ... [2018-12-09 11:37:01,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7911b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:37:01, skipping insertion in model container [2018-12-09 11:37:01,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:01" (3/3) ... [2018-12-09 11:37:01,236 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label42_true-unreach-call_false-termination.c [2018-12-09 11:37:01,244 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:37:01,251 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:37:01,267 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:37:01,297 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:37:01,297 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:37:01,297 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:37:01,297 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:37:01,297 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:37:01,297 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:37:01,298 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:37:01,298 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:37:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 11:37:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:37:01,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:01,324 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] [2018-12-09 11:37:01,326 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:01,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:01,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1174892051, now seen corresponding path program 1 times [2018-12-09 11:37:01,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:01,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:01,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:01,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:01,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:37:01,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:37:01,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:37:01,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:01,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:37:01,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:37:01,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:37:01,508 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-09 11:37:02,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:02,061 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-09 11:37:02,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:37:02,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-09 11:37:02,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:02,070 INFO L225 Difference]: With dead ends: 688 [2018-12-09 11:37:02,070 INFO L226 Difference]: Without dead ends: 372 [2018-12-09 11:37:02,073 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 [2018-12-09 11:37:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-09 11:37:02,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-09 11:37:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 11:37:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-09 11:37:02,119 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 48 [2018-12-09 11:37:02,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:02,119 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-09 11:37:02,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:37:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-09 11:37:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 11:37:02,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:02,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:37:02,124 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:02,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash -56716970, now seen corresponding path program 1 times [2018-12-09 11:37:02,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:02,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:02,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:02,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:02,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:37:02,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:37:02,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:37:02,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:02,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:37:02,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:37:02,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:37:02,256 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-09 11:37:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:02,839 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-09 11:37:02,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:37:02,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-09 11:37:02,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:02,842 INFO L225 Difference]: With dead ends: 936 [2018-12-09 11:37:02,842 INFO L226 Difference]: Without dead ends: 570 [2018-12-09 11:37:02,843 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 [2018-12-09 11:37:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-09 11:37:02,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-09 11:37:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-09 11:37:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-09 11:37:02,860 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 134 [2018-12-09 11:37:02,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:02,860 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-09 11:37:02,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:37:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-09 11:37:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 11:37:02,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:02,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:37:02,862 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:02,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:02,862 INFO L82 PathProgramCache]: Analyzing trace with hash -867586423, now seen corresponding path program 1 times [2018-12-09 11:37:02,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:02,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:02,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:02,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:02,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:37:02,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:37:02,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:37:02,944 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:02,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:37:02,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:37:02,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:37:02,945 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-12-09 11:37:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:03,679 INFO L93 Difference]: Finished difference Result 2220 states and 3292 transitions. [2018-12-09 11:37:03,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:37:03,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2018-12-09 11:37:03,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:03,684 INFO L225 Difference]: With dead ends: 2220 [2018-12-09 11:37:03,684 INFO L226 Difference]: Without dead ends: 1664 [2018-12-09 11:37:03,685 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 [2018-12-09 11:37:03,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2018-12-09 11:37:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2018-12-09 11:37:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2018-12-09 11:37:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2287 transitions. [2018-12-09 11:37:03,714 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2287 transitions. Word has length 143 [2018-12-09 11:37:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:03,715 INFO L480 AbstractCegarLoop]: Abstraction has 1664 states and 2287 transitions. [2018-12-09 11:37:03,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:37:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2287 transitions. [2018-12-09 11:37:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 11:37:03,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:03,719 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 11:37:03,719 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:03,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash -81866982, now seen corresponding path program 1 times [2018-12-09 11:37:03,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:03,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:03,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:03,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:03,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 82 proven. 107 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:37:03,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:37:03,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:37:03,940 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-09 11:37:03,942 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:37:03,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:37:03,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:37:05,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:37:05,795 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1046 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 11:37:05,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:05,806 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:37:07,382 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 77.8% of their original sizes. [2018-12-09 11:37:07,382 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:37:07,408 INFO L418 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-12-09 11:37:07,408 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:37:07,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:37:07,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-09 11:37:07,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:07,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:37:07,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:37:07,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:37:07,410 INFO L87 Difference]: Start difference. First operand 1664 states and 2287 transitions. Second operand 6 states. [2018-12-09 11:37:18,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:18,633 INFO L93 Difference]: Finished difference Result 3505 states and 4813 transitions. [2018-12-09 11:37:18,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:37:18,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2018-12-09 11:37:18,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:18,637 INFO L225 Difference]: With dead ends: 3505 [2018-12-09 11:37:18,637 INFO L226 Difference]: Without dead ends: 1847 [2018-12-09 11:37:18,639 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:37:18,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2018-12-09 11:37:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1846. [2018-12-09 11:37:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1846 states. [2018-12-09 11:37:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2477 transitions. [2018-12-09 11:37:18,666 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2477 transitions. Word has length 271 [2018-12-09 11:37:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:18,666 INFO L480 AbstractCegarLoop]: Abstraction has 1846 states and 2477 transitions. [2018-12-09 11:37:18,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:37:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2477 transitions. [2018-12-09 11:37:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-12-09 11:37:18,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:18,671 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:37:18,671 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:18,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:18,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1471725011, now seen corresponding path program 1 times [2018-12-09 11:37:18,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:18,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:18,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:18,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:18,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 209 proven. 189 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:37:19,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:37:19,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:37:19,081 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-12-09 11:37:19,081 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:37:19,084 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:37:19,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:37:21,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:37:21,962 INFO L272 AbstractInterpreter]: Visited 122 different actions 236 times. Merged at 3 different actions 3 times. Never widened. Performed 2156 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 11:37:21,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:21,965 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:37:21,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:37:21,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:37:21,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:21,971 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:37:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:22,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:37:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 307 proven. 53 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 11:37:22,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:37:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 131 proven. 267 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:37:22,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:37:22,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2018-12-09 11:37:22,611 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:37:22,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 11:37:22,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 11:37:22,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-12-09 11:37:22,612 INFO L87 Difference]: Start difference. First operand 1846 states and 2477 transitions. Second operand 15 states. [2018-12-09 11:37:23,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:23,976 INFO L93 Difference]: Finished difference Result 4363 states and 5941 transitions. [2018-12-09 11:37:23,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 11:37:23,976 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 355 [2018-12-09 11:37:23,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:23,981 INFO L225 Difference]: With dead ends: 4363 [2018-12-09 11:37:23,981 INFO L226 Difference]: Without dead ends: 2660 [2018-12-09 11:37:23,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 716 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=832, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 11:37:23,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2018-12-09 11:37:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1882. [2018-12-09 11:37:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2018-12-09 11:37:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2288 transitions. [2018-12-09 11:37:24,023 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2288 transitions. Word has length 355 [2018-12-09 11:37:24,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:24,024 INFO L480 AbstractCegarLoop]: Abstraction has 1882 states and 2288 transitions. [2018-12-09 11:37:24,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 11:37:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2288 transitions. [2018-12-09 11:37:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 11:37:24,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:24,029 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:37:24,029 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:24,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:24,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1355390759, now seen corresponding path program 1 times [2018-12-09 11:37:24,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:24,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:24,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:24,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:24,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 134 proven. 316 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:37:24,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:37:24,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:37:24,556 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 382 with the following transitions: [2018-12-09 11:37:24,556 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:37:24,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:37:24,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:37:27,220 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:37:27,220 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 2140 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2140 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 11:37:27,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:27,222 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:37:28,741 INFO L227 lantSequenceWeakener]: Weakened 378 states. On average, predicates are now at 77.69% of their original sizes. [2018-12-09 11:37:28,741 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:37:28,770 INFO L418 sIntCurrentIteration]: We unified 380 AI predicates to 380 [2018-12-09 11:37:28,770 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:37:28,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:37:28,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-12-09 11:37:28,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:28,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 11:37:28,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 11:37:28,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:37:28,771 INFO L87 Difference]: Start difference. First operand 1882 states and 2288 transitions. Second operand 10 states. [2018-12-09 11:37:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:37:41,392 INFO L93 Difference]: Finished difference Result 3762 states and 4588 transitions. [2018-12-09 11:37:41,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 11:37:41,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 381 [2018-12-09 11:37:41,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:37:41,397 INFO L225 Difference]: With dead ends: 3762 [2018-12-09 11:37:41,397 INFO L226 Difference]: Without dead ends: 2068 [2018-12-09 11:37:41,399 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 388 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 11:37:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2018-12-09 11:37:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2064. [2018-12-09 11:37:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2064 states. [2018-12-09 11:37:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2473 transitions. [2018-12-09 11:37:41,429 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2473 transitions. Word has length 381 [2018-12-09 11:37:41,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:37:41,429 INFO L480 AbstractCegarLoop]: Abstraction has 2064 states and 2473 transitions. [2018-12-09 11:37:41,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 11:37:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2473 transitions. [2018-12-09 11:37:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-09 11:37:41,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:37:41,432 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:37:41,432 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:37:41,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:41,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1583114957, now seen corresponding path program 1 times [2018-12-09 11:37:41,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:37:41,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:41,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:37:41,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:37:41,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:37:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:37:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 392 proven. 111 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-09 11:37:41,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:37:41,688 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:37:41,688 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 491 with the following transitions: [2018-12-09 11:37:41,688 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:37:41,690 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:37:41,690 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:37:47,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:37:47,802 INFO L272 AbstractInterpreter]: Visited 122 different actions 359 times. Merged at 6 different actions 13 times. Never widened. Performed 3423 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3423 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 11:37:47,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:47,804 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:37:48,652 INFO L227 lantSequenceWeakener]: Weakened 487 states. On average, predicates are now at 80.27% of their original sizes. [2018-12-09 11:37:48,653 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:37:48,686 INFO L418 sIntCurrentIteration]: We unified 489 AI predicates to 489 [2018-12-09 11:37:48,686 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:37:48,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:37:48,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-09 11:37:48,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:37:48,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:37:48,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:37:48,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:37:48,687 INFO L87 Difference]: Start difference. First operand 2064 states and 2473 transitions. Second operand 9 states. [2018-12-09 11:38:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:05,387 INFO L93 Difference]: Finished difference Result 4519 states and 5488 transitions. [2018-12-09 11:38:05,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 11:38:05,387 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 490 [2018-12-09 11:38:05,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:05,391 INFO L225 Difference]: With dead ends: 4519 [2018-12-09 11:38:05,391 INFO L226 Difference]: Without dead ends: 2827 [2018-12-09 11:38:05,393 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 496 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 11:38:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2018-12-09 11:38:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2812. [2018-12-09 11:38:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-12-09 11:38:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 3329 transitions. [2018-12-09 11:38:05,425 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 3329 transitions. Word has length 490 [2018-12-09 11:38:05,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:05,425 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 3329 transitions. [2018-12-09 11:38:05,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:38:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3329 transitions. [2018-12-09 11:38:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2018-12-09 11:38:05,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:38:05,429 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:38:05,429 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:38:05,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:05,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1144441058, now seen corresponding path program 1 times [2018-12-09 11:38:05,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:38:05,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:05,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:05,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:05,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:38:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 393 proven. 321 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 11:38:06,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:06,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:38:06,064 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 558 with the following transitions: [2018-12-09 11:38:06,064 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:38:06,066 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:38:06,066 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:38:09,943 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:38:09,943 INFO L272 AbstractInterpreter]: Visited 190 different actions 757 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 8313 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8313 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 11:38:09,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:09,945 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:38:09,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:09,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:38:09,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:09,951 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:38:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:10,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-09 11:38:10,204 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:38:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 392 proven. 111 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-09 11:38:10,576 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:38:10,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-12-09 11:38:10,576 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:38:10,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 11:38:10,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 11:38:10,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-12-09 11:38:10,577 INFO L87 Difference]: Start difference. First operand 2812 states and 3329 transitions. Second operand 17 states. [2018-12-09 11:38:13,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:13,484 INFO L93 Difference]: Finished difference Result 5902 states and 7419 transitions. [2018-12-09 11:38:13,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-09 11:38:13,484 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 557 [2018-12-09 11:38:13,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:13,491 INFO L225 Difference]: With dead ends: 5902 [2018-12-09 11:38:13,491 INFO L226 Difference]: Without dead ends: 3462 [2018-12-09 11:38:13,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 1135 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=595, Invalid=2267, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 11:38:13,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2018-12-09 11:38:13,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3390. [2018-12-09 11:38:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2018-12-09 11:38:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4024 transitions. [2018-12-09 11:38:13,538 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4024 transitions. Word has length 557 [2018-12-09 11:38:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:13,538 INFO L480 AbstractCegarLoop]: Abstraction has 3390 states and 4024 transitions. [2018-12-09 11:38:13,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 11:38:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4024 transitions. [2018-12-09 11:38:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2018-12-09 11:38:13,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:38:13,542 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, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:38:13,542 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:38:13,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1191523692, now seen corresponding path program 1 times [2018-12-09 11:38:13,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:38:13,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:13,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:13,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:13,543 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:38:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 528 proven. 481 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-09 11:38:14,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:14,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:38:14,115 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 575 with the following transitions: [2018-12-09 11:38:14,115 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:38:14,116 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:38:14,116 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:38:24,219 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:38:24,219 INFO L272 AbstractInterpreter]: Visited 124 different actions 498 times. Merged at 8 different actions 33 times. Never widened. Performed 4771 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4771 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 11:38:24,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:24,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:38:24,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:24,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:38:24,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:24,228 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:38:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:24,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 884 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2018-12-09 11:38:24,496 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:38:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 524 proven. 111 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-12-09 11:38:24,805 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:38:24,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 14 [2018-12-09 11:38:24,805 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:38:24,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 11:38:24,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 11:38:24,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-12-09 11:38:24,806 INFO L87 Difference]: Start difference. First operand 3390 states and 4024 transitions. Second operand 13 states. [2018-12-09 11:38:25,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:25,842 INFO L93 Difference]: Finished difference Result 6747 states and 8358 transitions. [2018-12-09 11:38:25,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 11:38:25,842 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 574 [2018-12-09 11:38:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:25,849 INFO L225 Difference]: With dead ends: 6747 [2018-12-09 11:38:25,849 INFO L226 Difference]: Without dead ends: 3682 [2018-12-09 11:38:25,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1152 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2018-12-09 11:38:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2018-12-09 11:38:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3574. [2018-12-09 11:38:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3574 states. [2018-12-09 11:38:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4055 transitions. [2018-12-09 11:38:25,891 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4055 transitions. Word has length 574 [2018-12-09 11:38:25,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:25,891 INFO L480 AbstractCegarLoop]: Abstraction has 3574 states and 4055 transitions. [2018-12-09 11:38:25,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 11:38:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4055 transitions. [2018-12-09 11:38:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2018-12-09 11:38:25,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:38:25,896 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-12-09 11:38:25,896 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:38:25,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:25,896 INFO L82 PathProgramCache]: Analyzing trace with hash -401183371, now seen corresponding path program 2 times [2018-12-09 11:38:25,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:38:25,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:25,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:25,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:25,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:38:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 550 proven. 111 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2018-12-09 11:38:26,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:26,147 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:38:26,147 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 11:38:26,147 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 11:38:26,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:26,147 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:38:26,153 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 11:38:26,153 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 11:38:26,193 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 11:38:26,193 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 11:38:26,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-12-09 11:38:26,475 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:38:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-12-09 11:38:26,682 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:38:26,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-09 11:38:26,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:38:26,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:38:26,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:38:26,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:38:26,683 INFO L87 Difference]: Start difference. First operand 3574 states and 4055 transitions. Second operand 3 states. [2018-12-09 11:38:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:27,513 INFO L93 Difference]: Finished difference Result 6958 states and 7957 transitions. [2018-12-09 11:38:27,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:38:27,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2018-12-09 11:38:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:27,518 INFO L225 Difference]: With dead ends: 6958 [2018-12-09 11:38:27,518 INFO L226 Difference]: Without dead ends: 3756 [2018-12-09 11:38:27,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1339 GetRequests, 1333 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:38:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2018-12-09 11:38:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3756. [2018-12-09 11:38:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3756 states. [2018-12-09 11:38:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 4264 transitions. [2018-12-09 11:38:27,555 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 4264 transitions. Word has length 667 [2018-12-09 11:38:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:27,555 INFO L480 AbstractCegarLoop]: Abstraction has 3756 states and 4264 transitions. [2018-12-09 11:38:27,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:38:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4264 transitions. [2018-12-09 11:38:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2018-12-09 11:38:27,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:38:27,560 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 11:38:27,560 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:38:27,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:27,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1595457781, now seen corresponding path program 1 times [2018-12-09 11:38:27,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:38:27,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:27,561 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 11:38:27,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:27,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:38:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 550 proven. 175 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2018-12-09 11:38:27,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:27,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:38:27,848 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 732 with the following transitions: [2018-12-09 11:38:27,849 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [918], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:38:27,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:38:27,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:38:31,667 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:38:31,667 INFO L272 AbstractInterpreter]: Visited 190 different actions 751 times. Merged at 8 different actions 24 times. Never widened. Performed 8303 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8303 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 11:38:31,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:31,669 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:38:31,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:31,669 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:38:31,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:31,676 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:38:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:31,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 1000 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-09 11:38:31,907 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:38:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 550 proven. 175 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2018-12-09 11:38:32,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:38:32,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-09 11:38:32,171 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:38:32,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:38:32,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:38:32,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:38:32,172 INFO L87 Difference]: Start difference. First operand 3756 states and 4264 transitions. Second operand 7 states. [2018-12-09 11:38:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:33,029 INFO L93 Difference]: Finished difference Result 8848 states and 11113 transitions. [2018-12-09 11:38:33,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 11:38:33,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 731 [2018-12-09 11:38:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:33,041 INFO L225 Difference]: With dead ends: 8848 [2018-12-09 11:38:33,041 INFO L226 Difference]: Without dead ends: 5464 [2018-12-09 11:38:33,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1479 GetRequests, 1465 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-12-09 11:38:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2018-12-09 11:38:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5252. [2018-12-09 11:38:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5252 states. [2018-12-09 11:38:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 6015 transitions. [2018-12-09 11:38:33,114 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 6015 transitions. Word has length 731 [2018-12-09 11:38:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:33,115 INFO L480 AbstractCegarLoop]: Abstraction has 5252 states and 6015 transitions. [2018-12-09 11:38:33,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:38:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 6015 transitions. [2018-12-09 11:38:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2018-12-09 11:38:33,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:38:33,120 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-12-09 11:38:33,121 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:38:33,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:33,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1074484210, now seen corresponding path program 1 times [2018-12-09 11:38:33,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:38:33,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:33,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:33,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:38:33,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:38:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 678 proven. 672 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-12-09 11:38:33,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:33,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:38:33,800 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 738 with the following transitions: [2018-12-09 11:38:33,800 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [918], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 11:38:33,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:38:33,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:38:40,776 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:38:40,776 INFO L272 AbstractInterpreter]: Visited 187 different actions 739 times. Merged at 7 different actions 24 times. Never widened. Performed 8174 root evaluator evaluations with a maximum evaluation depth of 22. Performed 8174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 11:38:40,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:40,778 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:38:40,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:38:40,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/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 [2018-12-09 11:38:40,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:38:40,784 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:38:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:40,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1448 trivial. 0 not checked. [2018-12-09 11:38:41,004 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:38:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1448 trivial. 0 not checked. [2018-12-09 11:38:41,180 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:38:41,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [16] total 18 [2018-12-09 11:38:41,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:38:41,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:38:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:38:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-12-09 11:38:41,181 INFO L87 Difference]: Start difference. First operand 5252 states and 6015 transitions. Second operand 3 states. [2018-12-09 11:38:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:38:41,615 INFO L93 Difference]: Finished difference Result 11414 states and 13228 transitions. [2018-12-09 11:38:41,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:38:41,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 737 [2018-12-09 11:38:41,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:38:41,616 INFO L225 Difference]: With dead ends: 11414 [2018-12-09 11:38:41,616 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:38:41,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1493 GetRequests, 1476 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-12-09 11:38:41,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:38:41,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:38:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:38:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:38:41,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 737 [2018-12-09 11:38:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:38:41,626 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:38:41,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:38:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:38:41,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:38:41,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:38:41,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:41,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,016 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 231 [2018-12-09 11:38:42,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:38:42,244 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 198 [2018-12-09 11:38:42,498 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 38 [2018-12-09 11:38:43,141 WARN L180 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 41 [2018-12-09 11:38:43,665 WARN L180 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 41 [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 11:38:43,667 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 11:38:43,668 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 11:38:43,669 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 11:38:43,670 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0))) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse0 (= 9 |old(~a15~0)|))) (and (or (or (not (= 6 |old(~a21~0)|)) (< 0 (+ |old(~a12~0)| 49)) .cse0) .cse1) (or .cse1 (= 9 |old(~a21~0)|) .cse2) (or .cse2 (<= |old(~a12~0)| 11) .cse1) (or .cse1 (= 7 |old(~a15~0)|) .cse2 .cse0))) [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,671 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 11:38:43,672 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 11:38:43,673 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 11:38:43,674 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,675 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 11:38:43,676 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-09 11:38:43,677 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 9))) (.cse0 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (< 11 ~a12~0)) (and .cse1 (= 6 ~a21~0) (<= (+ ~a12~0 49) 0)) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse1 .cse0 (not (= ~a15~0 7))) (and (not (= 9 ~a21~0)) .cse0) (not (= 1 |old(~a24~0)|)))) [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 11:38:43,677 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 9))) (.cse0 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (< 11 ~a12~0)) (and .cse1 (= 6 ~a21~0) (<= (+ ~a12~0 49) 0)) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse1 .cse0 (not (= ~a15~0 7))) (and (not (= 9 ~a21~0)) .cse0) (not (= 1 |old(~a24~0)|)))) [2018-12-09 11:38:43,677 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 11:38:43,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:38:43 BoogieIcfgContainer [2018-12-09 11:38:43,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:38:43,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:38:43,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:38:43,684 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:38:43,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:01" (3/4) ... [2018-12-09 11:38:43,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:38:43,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:38:43,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 11:38:43,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:38:43,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 11:38:43,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 11:38:43,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(8 == \old(a15)) || (1 == a24 && 11 < a12)) || ((!(a15 == 9) && 6 == a21) && a12 + 49 <= 0)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((!(a15 == 9) && 1 == a24) && !(a15 == 7))) || (!(9 == a21) && 1 == a24)) || !(1 == \old(a24)) [2018-12-09 11:38:43,768 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91fdac3b-8076-4bbf-b774-17f4a109911f/bin-2019/utaipan/witness.graphml [2018-12-09 11:38:43,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:38:43,768 INFO L168 Benchmark]: Toolchain (without parser) took 103711.59 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 945.9 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 385.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: Boogie Preprocessor took 43.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: RCFGBuilder took 711.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.2 MB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,769 INFO L168 Benchmark]: TraceAbstraction took 102453.27 ms. Allocated memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 973.2 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,770 INFO L168 Benchmark]: Witness Printer took 84.40 ms. Allocated memory is still 3.3 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 4.5 kB). Peak memory consumption was 4.5 kB. Max. memory is 11.5 GB. [2018-12-09 11:38:43,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 711.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.2 MB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102453.27 ms. Allocated memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 973.2 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 84.40 ms. Allocated memory is still 3.3 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 4.5 kB). Peak memory consumption was 4.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 880]: Loop Invariant Derived loop invariant: ((((((!(8 == \old(a15)) || (1 == a24 && 11 < a12)) || ((!(a15 == 9) && 6 == a21) && a12 + 49 <= 0)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((!(a15 == 9) && 1 == a24) && !(a15 == 7))) || (!(9 == a21) && 1 == a24)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 102.3s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 49.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1042 SDtfs, 9135 SDslu, 733 SDs, 0 SdLazy, 12476 SolverSat, 2462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 8599 GetRequests, 8404 SyntacticMatches, 10 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1263 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5252occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 38.3s AbstIntTime, 8 AbstIntIterations, 3 AbstIntStrong, 0.9974551449920269 AbsIntWeakeningRatio, 0.08428446005267778 AbsIntAvgWeakeningVarsNumRemoved, 16.052677787532925 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1198 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 180 PreInvPairs, 262 NumberOfFragments, 277 HoareAnnotationTreeSize, 180 FomulaSimplifications, 74306 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24271 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 8709 NumberOfCodeBlocks, 8201 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 12306 ConstructedInterpolants, 44 QuantifiedInterpolants, 31295633 SizeOfPredicates, 26 NumberOfNonLiveVariables, 4665 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 18745/21951 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...