./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/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 f01979d5da4d022026be8efd02bfc41090b6cbce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:08:40,292 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:08:40,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:08:40,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:08:40,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:08:40,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:08:40,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:08:40,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:08:40,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:08:40,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:08:40,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:08:40,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:08:40,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:08:40,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:08:40,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:08:40,310 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:08:40,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:08:40,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:08:40,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:08:40,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:08:40,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:08:40,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:08:40,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:08:40,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:08:40,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:08:40,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:08:40,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:08:40,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:08:40,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:08:40,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:08:40,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:08:40,321 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:08:40,321 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:08:40,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:08:40,322 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:08:40,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:08:40,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:08:40,332 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:08:40,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:08:40,333 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:08:40,333 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:08:40,333 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:08:40,333 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:08:40,334 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:08:40,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:08:40,335 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:08:40,335 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:08:40,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:08:40,336 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:08:40,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:08:40,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:08:40,337 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:08:40,338 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:08:40,338 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:08:40,338 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:08:40,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:08:40,338 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:08:40,338 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_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2018-11-23 07:08:40,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:08:40,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:08:40,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:08:40,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:08:40,374 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:08:40,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 07:08:40,416 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/data/f1109fb03/e2e4f3bf0fd64eb0aaab5ae7608a7c3a/FLAG6b75b6082 [2018-11-23 07:08:40,771 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:08:40,772 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 07:08:40,780 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/data/f1109fb03/e2e4f3bf0fd64eb0aaab5ae7608a7c3a/FLAG6b75b6082 [2018-11-23 07:08:40,796 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/data/f1109fb03/e2e4f3bf0fd64eb0aaab5ae7608a7c3a [2018-11-23 07:08:40,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:08:40,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:08:40,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:40,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:08:40,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:08:40,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:40" (1/1) ... [2018-11-23 07:08:40,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345cb115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:40, skipping insertion in model container [2018-11-23 07:08:40,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:40" (1/1) ... [2018-11-23 07:08:40,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:08:40,844 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:08:41,092 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:41,095 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:08:41,161 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:41,171 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:08:41,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41 WrapperNode [2018-11-23 07:08:41,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:41,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:41,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:08:41,172 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:08:41,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:41,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:08:41,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:08:41,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:08:41,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... [2018-11-23 07:08:41,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:08:41,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:08:41,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:08:41,319 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:08:41,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:08:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:08:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:08:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:08:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:08:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:08:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:08:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:08:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:08:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:08:42,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:08:42,476 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:08:42,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:42 BoogieIcfgContainer [2018-11-23 07:08:42,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:08:42,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:08:42,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:08:42,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:08:42,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:08:40" (1/3) ... [2018-11-23 07:08:42,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f8624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:08:42, skipping insertion in model container [2018-11-23 07:08:42,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:41" (2/3) ... [2018-11-23 07:08:42,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f8624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:08:42, skipping insertion in model container [2018-11-23 07:08:42,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:42" (3/3) ... [2018-11-23 07:08:42,484 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label34_true-unreach-call_false-termination.c [2018-11-23 07:08:42,493 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:08:42,500 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:08:42,514 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:08:42,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:08:42,543 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:08:42,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:08:42,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:08:42,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:08:42,543 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:08:42,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:08:42,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:08:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 07:08:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 07:08:42,570 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:42,571 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:42,573 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:42,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:42,578 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2018-11-23 07:08:42,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:42,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:42,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:42,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:42,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:42,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:42,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:08:42,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:42,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:08:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:08:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:08:42,936 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 07:08:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:43,519 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 07:08:43,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:08:43,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-23 07:08:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:43,532 INFO L225 Difference]: With dead ends: 547 [2018-11-23 07:08:43,533 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 07:08:43,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:08:43,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 07:08:43,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 07:08:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 07:08:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 567 transitions. [2018-11-23 07:08:43,581 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 567 transitions. Word has length 111 [2018-11-23 07:08:43,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:43,582 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 567 transitions. [2018-11-23 07:08:43,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:08:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2018-11-23 07:08:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 07:08:43,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:43,587 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:43,587 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:43,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:43,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1121004690, now seen corresponding path program 1 times [2018-11-23 07:08:43,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:43,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:43,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:43,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:43,589 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:43,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:43,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:08:43,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:43,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:08:43,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:08:43,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:08:43,688 INFO L87 Difference]: Start difference. First operand 338 states and 567 transitions. Second operand 5 states. [2018-11-23 07:08:44,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:44,233 INFO L93 Difference]: Finished difference Result 1071 states and 1880 transitions. [2018-11-23 07:08:44,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:08:44,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-11-23 07:08:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:44,239 INFO L225 Difference]: With dead ends: 1071 [2018-11-23 07:08:44,240 INFO L226 Difference]: Without dead ends: 739 [2018-11-23 07:08:44,242 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:08:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-11-23 07:08:44,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2018-11-23 07:08:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-23 07:08:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1159 transitions. [2018-11-23 07:08:44,271 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1159 transitions. Word has length 120 [2018-11-23 07:08:44,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:44,271 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1159 transitions. [2018-11-23 07:08:44,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:08:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1159 transitions. [2018-11-23 07:08:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 07:08:44,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:44,275 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:44,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:44,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:44,276 INFO L82 PathProgramCache]: Analyzing trace with hash 476978283, now seen corresponding path program 1 times [2018-11-23 07:08:44,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:44,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:44,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:44,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:44,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:44,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:44,353 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:08:44,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-23 07:08:44,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:08:44,381 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:08:44,382 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:08:44,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:08:44,855 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 3 different actions 3 times. Never widened. Performed 3136 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3136 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:08:44,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:44,867 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:08:45,082 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.81% of their original sizes. [2018-11-23 07:08:45,082 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:08:45,138 INFO L415 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-11-23 07:08:45,138 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:08:45,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:08:45,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:08:45,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:45,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:08:45,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:08:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:08:45,140 INFO L87 Difference]: Start difference. First operand 729 states and 1159 transitions. Second operand 10 states. [2018-11-23 07:08:50,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:50,289 INFO L93 Difference]: Finished difference Result 2780 states and 4480 transitions. [2018-11-23 07:08:50,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 07:08:50,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-11-23 07:08:50,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:50,295 INFO L225 Difference]: With dead ends: 2780 [2018-11-23 07:08:50,295 INFO L226 Difference]: Without dead ends: 2057 [2018-11-23 07:08:50,297 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:08:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-23 07:08:50,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2032. [2018-11-23 07:08:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2018-11-23 07:08:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2612 transitions. [2018-11-23 07:08:50,336 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2612 transitions. Word has length 131 [2018-11-23 07:08:50,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:50,336 INFO L480 AbstractCegarLoop]: Abstraction has 2032 states and 2612 transitions. [2018-11-23 07:08:50,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:08:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2612 transitions. [2018-11-23 07:08:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 07:08:50,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:50,340 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:50,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:50,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1954484865, now seen corresponding path program 1 times [2018-11-23 07:08:50,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:50,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:50,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:50,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:50,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:08:50,458 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-23 07:08:50,459 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:08:50,463 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:08:50,463 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:08:50,604 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:08:50,604 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3044 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3044 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:08:50,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:50,610 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:08:50,725 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 81.8% of their original sizes. [2018-11-23 07:08:50,725 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:08:50,895 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-23 07:08:50,895 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:08:50,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:08:50,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 07:08:50,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:50,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:08:50,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:08:50,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:08:50,896 INFO L87 Difference]: Start difference. First operand 2032 states and 2612 transitions. Second operand 10 states. [2018-11-23 07:08:53,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:53,098 INFO L93 Difference]: Finished difference Result 4062 states and 5290 transitions. [2018-11-23 07:08:53,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 07:08:53,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-11-23 07:08:53,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:53,103 INFO L225 Difference]: With dead ends: 4062 [2018-11-23 07:08:53,103 INFO L226 Difference]: Without dead ends: 2171 [2018-11-23 07:08:53,106 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 07:08:53,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-11-23 07:08:53,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2018-11-23 07:08:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2169 states. [2018-11-23 07:08:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2765 transitions. [2018-11-23 07:08:53,134 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2765 transitions. Word has length 138 [2018-11-23 07:08:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:53,135 INFO L480 AbstractCegarLoop]: Abstraction has 2169 states and 2765 transitions. [2018-11-23 07:08:53,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:08:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2765 transitions. [2018-11-23 07:08:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 07:08:53,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:53,137 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:53,137 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:53,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:53,138 INFO L82 PathProgramCache]: Analyzing trace with hash 97197594, now seen corresponding path program 1 times [2018-11-23 07:08:53,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:53,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:53,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:53,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:53,139 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:53,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:53,197 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:08:53,197 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-23 07:08:53,197 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:08:53,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:08:53,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:08:53,455 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:08:53,455 INFO L272 AbstractInterpreter]: Visited 117 different actions 460 times. Merged at 7 different actions 25 times. Never widened. Performed 6633 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6633 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 07:08:53,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:53,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:08:53,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:53,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:08:53,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:53,465 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:08:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:53,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:08:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:08:53,690 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:08:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:53,786 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:08:53,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 07:08:53,787 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:08:53,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:08:53,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:08:53,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:08:53,788 INFO L87 Difference]: Start difference. First operand 2169 states and 2765 transitions. Second operand 8 states. [2018-11-23 07:08:55,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:55,435 INFO L93 Difference]: Finished difference Result 7140 states and 9757 transitions. [2018-11-23 07:08:55,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 07:08:55,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-11-23 07:08:55,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:55,447 INFO L225 Difference]: With dead ends: 7140 [2018-11-23 07:08:55,447 INFO L226 Difference]: Without dead ends: 3062 [2018-11-23 07:08:55,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 07:08:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2018-11-23 07:08:55,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3012. [2018-11-23 07:08:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3012 states. [2018-11-23 07:08:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 3012 states and 3568 transitions. [2018-11-23 07:08:55,528 INFO L78 Accepts]: Start accepts. Automaton has 3012 states and 3568 transitions. Word has length 149 [2018-11-23 07:08:55,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:55,528 INFO L480 AbstractCegarLoop]: Abstraction has 3012 states and 3568 transitions. [2018-11-23 07:08:55,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:08:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 3568 transitions. [2018-11-23 07:08:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 07:08:55,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:55,534 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:55,534 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:55,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:55,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1209952154, now seen corresponding path program 1 times [2018-11-23 07:08:55,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:55,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:55,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:55,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:55,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:08:55,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:55,645 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:08:55,645 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-23 07:08:55,646 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:08:55,648 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:08:55,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:08:55,751 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:08:55,751 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 4 different actions 4 times. Never widened. Performed 3115 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3115 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:08:55,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:55,754 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:08:55,918 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.73% of their original sizes. [2018-11-23 07:08:55,919 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:08:55,958 INFO L415 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-11-23 07:08:55,958 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:08:55,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:08:55,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:08:55,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:55,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:08:55,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:08:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:08:55,959 INFO L87 Difference]: Start difference. First operand 3012 states and 3568 transitions. Second operand 10 states. [2018-11-23 07:08:58,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:58,526 INFO L93 Difference]: Finished difference Result 6203 states and 7381 transitions. [2018-11-23 07:08:58,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 07:08:58,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-11-23 07:08:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:58,536 INFO L225 Difference]: With dead ends: 6203 [2018-11-23 07:08:58,536 INFO L226 Difference]: Without dead ends: 3469 [2018-11-23 07:08:58,541 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:08:58,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2018-11-23 07:08:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 3467. [2018-11-23 07:08:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3467 states. [2018-11-23 07:08:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 4052 transitions. [2018-11-23 07:08:58,607 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 4052 transitions. Word has length 176 [2018-11-23 07:08:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:58,607 INFO L480 AbstractCegarLoop]: Abstraction has 3467 states and 4052 transitions. [2018-11-23 07:08:58,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:08:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 4052 transitions. [2018-11-23 07:08:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 07:08:58,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:58,614 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:58,614 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:58,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:58,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1868461759, now seen corresponding path program 1 times [2018-11-23 07:08:58,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:58,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:58,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:08:58,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:58,768 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:08:58,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-23 07:08:58,768 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:08:58,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:08:58,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:08:59,062 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:08:59,062 INFO L272 AbstractInterpreter]: Visited 118 different actions 472 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6827 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6827 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 07:08:59,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:59,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:08:59,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:08:59,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:08:59,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:59,072 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:08:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:59,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:08:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:08:59,183 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:08:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:08:59,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:08:59,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 07:08:59,268 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:08:59,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 07:08:59,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 07:08:59,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:08:59,269 INFO L87 Difference]: Start difference. First operand 3467 states and 4052 transitions. Second operand 11 states. [2018-11-23 07:09:00,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:09:00,635 INFO L93 Difference]: Finished difference Result 11403 states and 14253 transitions. [2018-11-23 07:09:00,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 07:09:00,636 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-11-23 07:09:00,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:09:00,659 INFO L225 Difference]: With dead ends: 11403 [2018-11-23 07:09:00,659 INFO L226 Difference]: Without dead ends: 8439 [2018-11-23 07:09:00,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:09:00,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2018-11-23 07:09:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 8411. [2018-11-23 07:09:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8411 states. [2018-11-23 07:09:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8411 states to 8411 states and 10097 transitions. [2018-11-23 07:09:00,825 INFO L78 Accepts]: Start accepts. Automaton has 8411 states and 10097 transitions. Word has length 184 [2018-11-23 07:09:00,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:09:00,826 INFO L480 AbstractCegarLoop]: Abstraction has 8411 states and 10097 transitions. [2018-11-23 07:09:00,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 07:09:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 8411 states and 10097 transitions. [2018-11-23 07:09:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 07:09:00,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:09:00,837 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:09:00,837 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:09:00,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:09:00,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1041344981, now seen corresponding path program 2 times [2018-11-23 07:09:00,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:09:00,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:09:00,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:09:00,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:09:00,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:09:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:00,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:09:00,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:09:00,954 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 07:09:00,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 07:09:00,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:09:00,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/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 [2018-11-23 07:09:00,961 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 07:09:00,962 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 07:09:00,991 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 07:09:00,992 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:09:00,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:09:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 07:09:01,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:09:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 07:09:01,062 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:09:01,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 07:09:01,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:09:01,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:09:01,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:09:01,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:09:01,063 INFO L87 Difference]: Start difference. First operand 8411 states and 10097 transitions. Second operand 3 states. [2018-11-23 07:09:01,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:09:01,396 INFO L93 Difference]: Finished difference Result 12940 states and 15555 transitions. [2018-11-23 07:09:01,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:09:01,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-11-23 07:09:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:09:01,397 INFO L225 Difference]: With dead ends: 12940 [2018-11-23 07:09:01,397 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:09:01,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:09:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:09:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:09:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:09:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:09:01,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2018-11-23 07:09:01,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:09:01,412 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:09:01,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:09:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:09:01,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:09:01,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:09:01,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:01,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:09:02,946 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 235 DAG size of output: 105 [2018-11-23 07:09:03,105 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2018-11-23 07:09:03,285 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,287 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,288 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,289 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 07:09:03,290 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 07:09:03,291 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 07:09:03,292 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 07:09:03,293 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse26 (= ~a16~0 6)) (.cse0 (= 1 ~a7~0)) (.cse1 (= |old(~a8~0)| ~a8~0)) (.cse2 (= |old(~a20~0)| ~a20~0))) (let ((.cse19 (= 13 |old(~a8~0)|)) (.cse16 (and .cse0 .cse1 .cse2)) (.cse20 (< 0 |old(~a7~0)|)) (.cse13 (not (= 5 |old(~a16~0)|))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse22 (= 0 |old(~a16~0)|)) (.cse21 (not (= ~a16~0 0))) (.cse25 (= ~a20~0 1)) (.cse23 (= 0 |old(~a8~0)|)) (.cse15 (not (= 1 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse8 (= ~a21~0 1)) (.cse7 (= ~a17~0 1)) (.cse9 (= ~a16~0 5)) (.cse10 (not (= 0 |old(~a7~0)|))) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse18 (not (= 1 |old(~a20~0)|))) (.cse12 (not (= 15 |old(~a8~0)|))) (.cse14 (not (= 8 ~a12~0))) (.cse4 (= 6 |old(~a16~0)|)) (.cse17 (< 13 |old(~a8~0)|)) (.cse24 (= ~a7~0 |old(~a7~0)|)) (.cse3 (not .cse26))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12 (not (= 0 |old(~a20~0)|)) .cse13 .cse14 .cse15)) (or .cse16 .cse17 (< |old(~a20~0)| 1) .cse5) (or (= ~a16~0 4) (or .cse11 .cse18 (not (= 4 |old(~a16~0)|)) (not .cse19)) .cse14 .cse5 .cse6 .cse15) (or .cse4 .cse3 .cse20) (or .cse4 .cse10 .cse11 .cse14 .cse6 (and .cse21 .cse8) .cse18 .cse12 .cse22) (or .cse11 .cse18 (and .cse21 .cse7 .cse8) .cse22 .cse14 .cse20 .cse6 .cse23 .cse15) (or (and .cse24 .cse1 .cse2) .cse19 .cse20) (or .cse16 .cse18 .cse5 (< |old(~a8~0)| 15)) (or .cse4 .cse20 .cse2) (or .cse10 .cse11 .cse14 .cse6 .cse15 .cse18 .cse12 .cse9 .cse13) (or .cse11 .cse18 .cse22 .cse14 (and .cse21 .cse0 .cse1 .cse7 .cse8 .cse25) .cse5 .cse6 .cse23 .cse15) (or .cse11 .cse17 .cse18 .cse22 .cse14 (and .cse24 .cse21 .cse1 .cse7 .cse8 .cse25) .cse6 .cse23 .cse15) (or .cse6 (and .cse8 (or (and .cse7 .cse9) (and (= ~a17~0 0) .cse26))) (or (not .cse4) .cse10 .cse11 .cse18 .cse12 (not (= 0 |old(~a17~0)|)) .cse14)) (or .cse4 .cse17 (and .cse24 .cse1 .cse3))))) [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 07:09:03,294 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 07:09:03,295 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 07:09:03,296 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 07:09:03,297 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a7~0 0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (= ~a17~0 1)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a20~0 1)) (.cse3 (<= ~a8~0 13)) (.cse0 (= 1 ~a7~0))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) .cse2) (not (= 8 ~a12~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse0 (<= 15 ~a8~0) (= |old(~a20~0)| ~a20~0)) (and .cse3 (not (= ~a16~0 0)) .cse4 (not (= ~a8~0 0)) .cse5 .cse6 .cse7) (and .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse4 .cse5 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse0 (<= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 07:09:03,297 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a7~0 0)) (.cse3 (<= ~a8~0 13)) (.cse0 (= 1 ~a7~0)) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a21~0 1)) (.cse6 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) .cse2) (not (= 8 ~a12~0)) (and .cse3 (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse4 .cse5 .cse6) (and (<= ~a8~0 |old(~a8~0)|) .cse0 (<= 15 ~a8~0) (= |old(~a20~0)| ~a20~0)) (and .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse0 (<= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse0 .cse4 .cse5 .cse6))) [2018-11-23 07:09:03,297 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:09:03,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:09:03 BoogieIcfgContainer [2018-11-23 07:09:03,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:09:03,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:09:03,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:09:03,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:09:03,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:42" (3/4) ... [2018-11-23 07:09:03,312 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:09:03,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:09:03,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:09:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:09:03,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:09:03,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:09:03,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && \old(a20) == a20)) || (!(a16 == 6) && a7 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((1 == a7 && a17 == 1) && a21 == 1) && a20 == 1) [2018-11-23 07:09:03,413 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a25fddec-e2f5-4a9b-a10a-422d1e714ec9/bin-2019/utaipan/witness.graphml [2018-11-23 07:09:03,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:09:03,414 INFO L168 Benchmark]: Toolchain (without parser) took 22615.48 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 951.1 MB in the beginning and 845.0 MB in the end (delta: 106.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,415 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:09:03,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -217.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,415 INFO L168 Benchmark]: Boogie Preprocessor took 53.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,415 INFO L168 Benchmark]: RCFGBuilder took 1157.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,416 INFO L168 Benchmark]: TraceAbstraction took 20830.83 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 962.6 MB). Free memory was 1.0 GB in the beginning and 868.4 MB in the end (delta: 155.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,416 INFO L168 Benchmark]: Witness Printer took 104.76 ms. Allocated memory is still 2.1 GB. Free memory was 868.4 MB in the beginning and 845.0 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:09:03,417 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -217.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1157.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20830.83 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 962.6 MB). Free memory was 1.0 GB in the beginning and 868.4 MB in the end (delta: 155.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 104.76 ms. Allocated memory is still 2.1 GB. Free memory was 868.4 MB in the beginning and 845.0 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && \old(a20) == a20)) || (!(a16 == 6) && a7 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((1 == a7 && a17 == 1) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 20.7s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 14.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1045 SDtfs, 7011 SDslu, 1989 SDs, 0 SdLazy, 11084 SolverSat, 2007 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1595 GetRequests, 1474 SyntacticMatches, 7 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8411occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9968652259530895 AbsIntWeakeningRatio, 0.251131221719457 AbsIntAvgWeakeningVarsNumRemoved, 29.08371040723982 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 117 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 181 PreInvPairs, 335 NumberOfFragments, 783 HoareAnnotationTreeSize, 181 FomulaSimplifications, 6831 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4803 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1710 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2213 ConstructedInterpolants, 0 QuantifiedInterpolants, 720298 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1420 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 908/1023 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...