./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 d2e5c405950a1e9288f54e6a20b4d800e6d36c44 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:28:52,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:28:52,241 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:28:52,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:28:52,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:28:52,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:28:52,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:28:52,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:28:52,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:28:52,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:28:52,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:28:52,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:28:52,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:28:52,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:28:52,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:28:52,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:28:52,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:28:52,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:28:52,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:28:52,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:28:52,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:28:52,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:28:52,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:28:52,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:28:52,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:28:52,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:28:52,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:28:52,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:28:52,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:28:52,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:28:52,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:28:52,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:28:52,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:28:52,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:28:52,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:28:52,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:28:52,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:28:52,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:28:52,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:28:52,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:28:52,275 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:28:52,275 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:28:52,275 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:28:52,275 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:28:52,276 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:28:52,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:28:52,277 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:28:52,277 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:28:52,277 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:28:52,277 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:28:52,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:28:52,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:28:52,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:28:52,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:28:52,279 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:28:52,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:28:52,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:28:52,280 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:28:52,280 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_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 -> d2e5c405950a1e9288f54e6a20b4d800e6d36c44 [2018-11-18 16:28:52,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:28:52,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:28:52,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:28:52,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:28:52,318 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:28:52,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-18 16:28:52,363 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/data/33c8f5a9e/b8a43670440f4605937b9f4084fd1f3d/FLAGf564d9ded [2018-11-18 16:28:52,831 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:28:52,832 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-18 16:28:52,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/data/33c8f5a9e/b8a43670440f4605937b9f4084fd1f3d/FLAGf564d9ded [2018-11-18 16:28:52,853 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/data/33c8f5a9e/b8a43670440f4605937b9f4084fd1f3d [2018-11-18 16:28:52,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:28:52,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:28:52,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:28:52,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:28:52,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:28:52,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:28:52" (1/1) ... [2018-11-18 16:28:52,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e32060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:52, skipping insertion in model container [2018-11-18 16:28:52,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:28:52" (1/1) ... [2018-11-18 16:28:52,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:28:52,901 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:28:53,166 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:28:53,168 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:28:53,246 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:28:53,313 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:28:53,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53 WrapperNode [2018-11-18 16:28:53,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:28:53,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:28:53,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:28:53,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:28:53,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:28:53,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:28:53,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:28:53,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:28:53,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... [2018-11-18 16:28:53,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:28:53,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:28:53,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:28:53,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:28:53,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 [2018-11-18 16:28:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:28:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:28:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:28:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:28:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:28:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:28:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:28:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:28:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:28:54,525 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:28:54,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:28:54 BoogieIcfgContainer [2018-11-18 16:28:54,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:28:54,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:28:54,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:28:54,529 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:28:54,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:28:52" (1/3) ... [2018-11-18 16:28:54,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63499884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:28:54, skipping insertion in model container [2018-11-18 16:28:54,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:28:53" (2/3) ... [2018-11-18 16:28:54,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63499884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:28:54, skipping insertion in model container [2018-11-18 16:28:54,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:28:54" (3/3) ... [2018-11-18 16:28:54,532 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label01_true-unreach-call_false-termination.c [2018-11-18 16:28:54,540 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:28:54,547 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:28:54,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:28:54,588 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:28:54,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:28:54,589 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:28:54,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:28:54,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:28:54,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:28:54,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:28:54,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:28:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 16:28:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:28:54,614 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:28:54,615 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:28:54,616 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:28:54,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:28:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash 105664553, now seen corresponding path program 1 times [2018-11-18 16:28:54,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:28:54,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:54,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:28:54,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:54,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:28:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:28:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:28:54,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:28:54,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:28:54,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:28:54,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:28:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:28:54,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:28:54,879 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-18 16:28:55,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:28:55,587 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-18 16:28:55,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:28:55,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 16:28:55,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:28:55,598 INFO L225 Difference]: With dead ends: 691 [2018-11-18 16:28:55,598 INFO L226 Difference]: Without dead ends: 434 [2018-11-18 16:28:55,603 INFO L604 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 [2018-11-18 16:28:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-18 16:28:55,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-18 16:28:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 16:28:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 767 transitions. [2018-11-18 16:28:55,652 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 767 transitions. Word has length 61 [2018-11-18 16:28:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:28:55,652 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 767 transitions. [2018-11-18 16:28:55,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:28:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 767 transitions. [2018-11-18 16:28:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:28:55,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:28:55,657 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:28:55,658 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:28:55,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:28:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash -175237717, now seen corresponding path program 1 times [2018-11-18 16:28:55,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:28:55,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:55,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:28:55,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:55,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:28:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:28:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:28:55,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:28:55,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:28:55,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:28:55,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:28:55,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:28:55,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:28:55,774 INFO L87 Difference]: Start difference. First operand 434 states and 767 transitions. Second operand 5 states. [2018-11-18 16:28:57,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:28:57,131 INFO L93 Difference]: Finished difference Result 1416 states and 2580 transitions. [2018-11-18 16:28:57,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:28:57,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-11-18 16:28:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:28:57,137 INFO L225 Difference]: With dead ends: 1416 [2018-11-18 16:28:57,138 INFO L226 Difference]: Without dead ends: 988 [2018-11-18 16:28:57,140 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:28:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-11-18 16:28:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 973. [2018-11-18 16:28:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2018-11-18 16:28:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1540 transitions. [2018-11-18 16:28:57,173 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1540 transitions. Word has length 138 [2018-11-18 16:28:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:28:57,173 INFO L480 AbstractCegarLoop]: Abstraction has 973 states and 1540 transitions. [2018-11-18 16:28:57,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:28:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1540 transitions. [2018-11-18 16:28:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 16:28:57,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:28:57,178 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:28:57,178 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:28:57,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:28:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash -683828693, now seen corresponding path program 1 times [2018-11-18 16:28:57,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:28:57,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:57,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:28:57,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:57,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:28:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:28:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:28:57,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:28:57,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:28:57,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:28:57,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:28:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:28:57,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:28:57,365 INFO L87 Difference]: Start difference. First operand 973 states and 1540 transitions. Second operand 6 states. [2018-11-18 16:28:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:28:58,193 INFO L93 Difference]: Finished difference Result 2347 states and 3916 transitions. [2018-11-18 16:28:58,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:28:58,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 202 [2018-11-18 16:28:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:28:58,198 INFO L225 Difference]: With dead ends: 2347 [2018-11-18 16:28:58,199 INFO L226 Difference]: Without dead ends: 1380 [2018-11-18 16:28:58,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:28:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2018-11-18 16:28:58,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1352. [2018-11-18 16:28:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-11-18 16:28:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2126 transitions. [2018-11-18 16:28:58,231 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2126 transitions. Word has length 202 [2018-11-18 16:28:58,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:28:58,231 INFO L480 AbstractCegarLoop]: Abstraction has 1352 states and 2126 transitions. [2018-11-18 16:28:58,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:28:58,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2126 transitions. [2018-11-18 16:28:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 16:28:58,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:28:58,235 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:28:58,235 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:28:58,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:28:58,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1369870952, now seen corresponding path program 1 times [2018-11-18 16:28:58,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:28:58,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:58,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:28:58,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:28:58,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:28:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:28:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:28:58,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:28:58,335 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:28:58,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-18 16:28:58,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [522], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 16:28:58,364 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:28:58,364 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:28:58,657 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:28:58,658 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Performed 655 root evaluator evaluations with a maximum evaluation depth of 16. Performed 655 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 16:28:58,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:28:58,669 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:28:58,971 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 78.28% of their original sizes. [2018-11-18 16:28:58,971 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:28:59,008 INFO L415 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-11-18 16:28:59,008 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:28:59,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:28:59,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 16:28:59,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:28:59,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:28:59,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:28:59,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:28:59,010 INFO L87 Difference]: Start difference. First operand 1352 states and 2126 transitions. Second operand 6 states. [2018-11-18 16:29:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:29:14,027 INFO L93 Difference]: Finished difference Result 2883 states and 4473 transitions. [2018-11-18 16:29:14,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:29:14,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2018-11-18 16:29:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:29:14,031 INFO L225 Difference]: With dead ends: 2883 [2018-11-18 16:29:14,031 INFO L226 Difference]: Without dead ends: 1537 [2018-11-18 16:29:14,033 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:29:14,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-11-18 16:29:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1535. [2018-11-18 16:29:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-11-18 16:29:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2316 transitions. [2018-11-18 16:29:14,055 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2316 transitions. Word has length 212 [2018-11-18 16:29:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:29:14,056 INFO L480 AbstractCegarLoop]: Abstraction has 1535 states and 2316 transitions. [2018-11-18 16:29:14,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:29:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2316 transitions. [2018-11-18 16:29:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 16:29:14,059 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:29:14,059 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:29:14,060 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:29:14,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:14,060 INFO L82 PathProgramCache]: Analyzing trace with hash -50001898, now seen corresponding path program 1 times [2018-11-18 16:29:14,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:29:14,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:14,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:14,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:14,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:29:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:29:14,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:14,191 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:29:14,192 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-18 16:29:14,192 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 16:29:14,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:29:14,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:29:14,536 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:29:14,536 INFO L272 AbstractInterpreter]: Visited 95 different actions 373 times. Merged at 8 different actions 27 times. Never widened. Performed 3236 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3236 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 16:29:14,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:14,541 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:29:14,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:14,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 [2018-11-18 16:29:14,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:14,558 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:29:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:14,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:29:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:29:14,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:29:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:29:14,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:29:14,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 16:29:14,836 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:29:14,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:29:14,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:29:14,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:29:14,837 INFO L87 Difference]: Start difference. First operand 1535 states and 2316 transitions. Second operand 10 states. [2018-11-18 16:29:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:29:18,258 INFO L93 Difference]: Finished difference Result 6923 states and 11001 transitions. [2018-11-18 16:29:18,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 16:29:18,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 297 [2018-11-18 16:29:18,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:29:18,274 INFO L225 Difference]: With dead ends: 6923 [2018-11-18 16:29:18,274 INFO L226 Difference]: Without dead ends: 5393 [2018-11-18 16:29:18,283 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 616 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=402, Invalid=1490, Unknown=0, NotChecked=0, Total=1892 [2018-11-18 16:29:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5393 states. [2018-11-18 16:29:18,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5393 to 4552. [2018-11-18 16:29:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4552 states. [2018-11-18 16:29:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 5702 transitions. [2018-11-18 16:29:18,363 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 5702 transitions. Word has length 297 [2018-11-18 16:29:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:29:18,363 INFO L480 AbstractCegarLoop]: Abstraction has 4552 states and 5702 transitions. [2018-11-18 16:29:18,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:29:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 5702 transitions. [2018-11-18 16:29:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-18 16:29:18,375 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:29:18,375 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:29:18,375 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:29:18,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:18,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1415284809, now seen corresponding path program 1 times [2018-11-18 16:29:18,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:29:18,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:18,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:18,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:18,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:29:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 250 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:29:18,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:18,799 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:29:18,800 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-11-18 16:29:18,800 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 16:29:18,804 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:29:18,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:29:21,685 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:29:21,685 INFO L272 AbstractInterpreter]: Visited 123 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 16:29:21,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:21,698 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:29:21,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:21,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 [2018-11-18 16:29:21,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:21,711 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:29:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:21,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:29:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2018-11-18 16:29:21,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:29:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2018-11-18 16:29:21,928 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:29:21,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2018-11-18 16:29:21,929 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:29:21,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:29:21,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:29:21,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:29:21,930 INFO L87 Difference]: Start difference. First operand 4552 states and 5702 transitions. Second operand 3 states. [2018-11-18 16:29:22,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:29:22,443 INFO L93 Difference]: Finished difference Result 11035 states and 14326 transitions. [2018-11-18 16:29:22,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:29:22,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2018-11-18 16:29:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:29:22,467 INFO L225 Difference]: With dead ends: 11035 [2018-11-18 16:29:22,467 INFO L226 Difference]: Without dead ends: 6859 [2018-11-18 16:29:22,491 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 707 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:29:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2018-11-18 16:29:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 6857. [2018-11-18 16:29:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6857 states. [2018-11-18 16:29:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6857 states to 6857 states and 8532 transitions. [2018-11-18 16:29:22,624 INFO L78 Accepts]: Start accepts. Automaton has 6857 states and 8532 transitions. Word has length 354 [2018-11-18 16:29:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:29:22,625 INFO L480 AbstractCegarLoop]: Abstraction has 6857 states and 8532 transitions. [2018-11-18 16:29:22,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:29:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 6857 states and 8532 transitions. [2018-11-18 16:29:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 16:29:22,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:29:22,643 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:29:22,643 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:29:22,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:22,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1683950396, now seen corresponding path program 1 times [2018-11-18 16:29:22,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:29:22,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:22,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:22,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:29:22,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:29:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 250 proven. 183 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:29:23,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:23,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:29:23,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-11-18 16:29:23,110 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [638], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 16:29:23,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:29:23,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:29:25,990 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:29:25,990 INFO L272 AbstractInterpreter]: Visited 123 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 16:29:25,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:29:25,997 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:29:25,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:29:25,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/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 [2018-11-18 16:29:26,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:29:26,003 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:29:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:29:26,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:29:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 16:29:26,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:29:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 16:29:26,189 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:29:26,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2018-11-18 16:29:26,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:29:26,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:29:26,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:29:26,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:29:26,190 INFO L87 Difference]: Start difference. First operand 6857 states and 8532 transitions. Second operand 3 states. [2018-11-18 16:29:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:29:26,669 INFO L93 Difference]: Finished difference Result 14615 states and 18602 transitions. [2018-11-18 16:29:26,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:29:26,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2018-11-18 16:29:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:29:26,671 INFO L225 Difference]: With dead ends: 14615 [2018-11-18 16:29:26,671 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:29:26,702 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:29:26,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:29:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:29:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:29:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:29:26,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2018-11-18 16:29:26,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:29:26,703 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:29:26,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:29:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:29:26,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:29:26,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:29:26,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:29:26,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:29:26,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:29:26,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:29:26,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:29:27,012 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 49 [2018-11-18 16:29:27,142 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 16:29:27,143 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,144 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 16:29:27,145 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 16:29:27,146 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,147 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 16:29:27,148 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse6 (= ~a12~0 |old(~a12~0)|)) (.cse7 (<= ~a21~0 |old(~a21~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0))) (let ((.cse0 (and .cse6 .cse7 .cse8)) (.cse5 (<= |old(~a12~0)| 11)) (.cse2 (+ |old(~a12~0)| 49)) (.cse3 (not (= ~a21~0 8))) (.cse4 (= 8 |old(~a21~0)|)) (.cse1 (= 8 |old(~a15~0)|))) (and (or .cse0 (< |old(~a15~0)| 7)) (or (and (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not .cse1) (not (= 0 .cse2)) (= |calculate_output_#in~input| 0)) (or .cse3 .cse4 .cse5) (or .cse0 .cse5) (or .cse3 (< 0 .cse2) .cse4) (or (and .cse6 .cse3 .cse7 .cse8) .cse4 .cse1)))) [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 16:29:27,149 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 16:29:27,150 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,151 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 16:29:27,152 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 16:29:27,153 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,154 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 16:29:27,155 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 16:29:27,156 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 16:29:27,157 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:29:27,158 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-18 16:29:27,159 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:29:27,159 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 16:29:27,159 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (< 11 ~a12~0) (<= 7 ~a15~0) (not (= ~a21~0 8)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 16:29:27,159 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (< 11 ~a12~0) (<= 7 ~a15~0) (not (= ~a21~0 8)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 16:29:27,159 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 16:29:27,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:29:27 BoogieIcfgContainer [2018-11-18 16:29:27,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:29:27,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:29:27,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:29:27,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:29:27,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:28:54" (3/4) ... [2018-11-18 16:29:27,171 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:29:27,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:29:27,176 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:29:27,176 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:29:27,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:29:27,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:29:27,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(8 == \old(a15)) || 11 < a12) || 7 <= a15) || !(a21 == 8)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-11-18 16:29:27,277 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7e5d91e-c11f-4ab8-aa98-3f51aebc3dec/bin-2019/utaipan/witness.graphml [2018-11-18 16:29:27,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:29:27,279 INFO L168 Benchmark]: Toolchain (without parser) took 34423.75 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 955.5 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,279 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:29:27,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.68 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,280 INFO L168 Benchmark]: Boogie Preprocessor took 53.29 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,280 INFO L168 Benchmark]: RCFGBuilder took 1130.29 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: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,280 INFO L168 Benchmark]: TraceAbstraction took 32640.64 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 16:29:27,281 INFO L168 Benchmark]: Witness Printer took 110.13 ms. Allocated memory is still 4.3 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:29:27,282 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 457.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.68 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.29 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1130.29 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: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32640.64 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 110.13 ms. Allocated memory is still 4.3 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((!(8 == \old(a15)) || 11 < a12) || 7 <= a15) || !(a21 == 8)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 32.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 22.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1196 SDtfs, 5196 SDslu, 1108 SDs, 0 SdLazy, 11457 SolverSat, 2363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2358 GetRequests, 2267 SyntacticMatches, 6 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6857occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.4s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9973318151043271 AbsIntWeakeningRatio, 0.12322274881516587 AbsIntAvgWeakeningVarsNumRemoved, 16.412322274881518 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 888 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 86 PreInvPairs, 146 NumberOfFragments, 225 HoareAnnotationTreeSize, 86 FomulaSimplifications, 2020 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2137 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2645 NumberOfCodeBlocks, 2645 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3648 ConstructedInterpolants, 0 QuantifiedInterpolants, 5258795 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 3683/4046 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...