./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/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 9b698dcf3c9df7b9ad57a5812bd690b0917b122e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:14:05,364 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:14:05,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:14:05,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:14:05,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:14:05,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:14:05,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:14:05,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:14:05,377 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:14:05,378 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:14:05,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:14:05,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:14:05,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:14:05,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:14:05,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:14:05,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:14:05,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:14:05,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:14:05,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:14:05,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:14:05,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:14:05,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:14:05,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:14:05,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:14:05,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:14:05,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:14:05,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:14:05,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:14:05,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:14:05,393 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:14:05,393 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:14:05,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:14:05,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:14:05,394 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:14:05,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:14:05,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:14:05,395 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:14:05,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:14:05,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:14:05,406 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:14:05,406 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:14:05,406 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:14:05,406 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:14:05,407 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:14:05,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:14:05,408 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:14:05,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:14:05,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:14:05,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:14:05,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:14:05,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:14:05,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:14:05,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:14:05,410 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:14:05,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:14:05,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:14:05,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:14:05,411 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_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/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 -> 9b698dcf3c9df7b9ad57a5812bd690b0917b122e [2018-11-23 14:14:05,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:14:05,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:14:05,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:14:05,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:14:05,445 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:14:05,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-23 14:14:05,481 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/data/bb477b89f/38f64f1905e447a1b0f060167f240691/FLAGf7e929502 [2018-11-23 14:14:05,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:14:05,943 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-23 14:14:05,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/data/bb477b89f/38f64f1905e447a1b0f060167f240691/FLAGf7e929502 [2018-11-23 14:14:05,963 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/data/bb477b89f/38f64f1905e447a1b0f060167f240691 [2018-11-23 14:14:05,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:14:05,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:14:05,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:14:05,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:14:05,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:14:05,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:05" (1/1) ... [2018-11-23 14:14:05,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05, skipping insertion in model container [2018-11-23 14:14:05,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:05" (1/1) ... [2018-11-23 14:14:05,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:14:06,011 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:14:06,248 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:14:06,251 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:14:06,316 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:14:06,326 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:14:06,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06 WrapperNode [2018-11-23 14:14:06,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:14:06,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:14:06,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:14:06,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:14:06,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:14:06,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:14:06,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:14:06,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:14:06,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... [2018-11-23 14:14:06,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:14:06,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:14:06,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:14:06,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:14:06,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:14:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:14:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:14:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:14:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:14:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:14:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:14:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:14:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:14:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:14:07,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:14:07,213 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:14:07,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:07 BoogieIcfgContainer [2018-11-23 14:14:07,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:14:07,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:14:07,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:14:07,216 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:14:07,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:14:05" (1/3) ... [2018-11-23 14:14:07,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:07, skipping insertion in model container [2018-11-23 14:14:07,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:06" (2/3) ... [2018-11-23 14:14:07,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:07, skipping insertion in model container [2018-11-23 14:14:07,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:07" (3/3) ... [2018-11-23 14:14:07,219 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29_true-unreach-call_false-termination.c [2018-11-23 14:14:07,225 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:14:07,230 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:14:07,240 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:14:07,262 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:14:07,262 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:14:07,262 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:14:07,262 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:14:07,262 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:14:07,262 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:14:07,262 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:14:07,262 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:14:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 14:14:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 14:14:07,286 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:07,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:07,289 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:07,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash 370140070, now seen corresponding path program 1 times [2018-11-23 14:14:07,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:07,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:07,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:07,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:07,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:14:07,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:14:07,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:14:07,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:07,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:14:07,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:14:07,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:07,637 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 14:14:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:08,189 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-11-23 14:14:08,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:14:08,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-23 14:14:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:08,201 INFO L225 Difference]: With dead ends: 624 [2018-11-23 14:14:08,201 INFO L226 Difference]: Without dead ends: 386 [2018-11-23 14:14:08,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:08,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-11-23 14:14:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 381. [2018-11-23 14:14:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 14:14:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 617 transitions. [2018-11-23 14:14:08,256 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 617 transitions. Word has length 108 [2018-11-23 14:14:08,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:08,257 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 617 transitions. [2018-11-23 14:14:08,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:14:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 617 transitions. [2018-11-23 14:14:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 14:14:08,261 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:08,261 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:08,262 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:08,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:08,263 INFO L82 PathProgramCache]: Analyzing trace with hash 330075201, now seen corresponding path program 1 times [2018-11-23 14:14:08,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:08,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:08,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:08,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:08,264 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:14:08,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:14:08,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:14:08,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:08,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:14:08,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:14:08,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:08,377 INFO L87 Difference]: Start difference. First operand 381 states and 617 transitions. Second operand 3 states. [2018-11-23 14:14:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:08,765 INFO L93 Difference]: Finished difference Result 1047 states and 1762 transitions. [2018-11-23 14:14:08,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:14:08,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-23 14:14:08,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:08,770 INFO L225 Difference]: With dead ends: 1047 [2018-11-23 14:14:08,771 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 14:14:08,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 14:14:08,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2018-11-23 14:14:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-23 14:14:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1007 transitions. [2018-11-23 14:14:08,798 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1007 transitions. Word has length 116 [2018-11-23 14:14:08,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:08,798 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1007 transitions. [2018-11-23 14:14:08,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:14:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1007 transitions. [2018-11-23 14:14:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 14:14:08,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:08,802 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:08,802 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:08,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:08,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1438415473, now seen corresponding path program 1 times [2018-11-23 14:14:08,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:08,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:08,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:08,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:08,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:14:08,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:14:08,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:14:08,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:08,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:14:08,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:14:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:08,887 INFO L87 Difference]: Start difference. First operand 672 states and 1007 transitions. Second operand 3 states. [2018-11-23 14:14:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:09,258 INFO L93 Difference]: Finished difference Result 1914 states and 2967 transitions. [2018-11-23 14:14:09,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:14:09,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-11-23 14:14:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:09,264 INFO L225 Difference]: With dead ends: 1914 [2018-11-23 14:14:09,264 INFO L226 Difference]: Without dead ends: 1248 [2018-11-23 14:14:09,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:14:09,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2018-11-23 14:14:09,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2018-11-23 14:14:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2018-11-23 14:14:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1820 transitions. [2018-11-23 14:14:09,295 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1820 transitions. Word has length 121 [2018-11-23 14:14:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:09,296 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1820 transitions. [2018-11-23 14:14:09,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:14:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1820 transitions. [2018-11-23 14:14:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 14:14:09,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:09,299 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 14:14:09,299 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:09,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:09,300 INFO L82 PathProgramCache]: Analyzing trace with hash 535579249, now seen corresponding path program 1 times [2018-11-23 14:14:09,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:09,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:09,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:09,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:09,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:14:09,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:09,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:14:09,392 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 14:14:09,394 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:14:09,428 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:14:09,428 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:14:09,754 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:14:09,755 INFO L272 AbstractInterpreter]: Visited 109 different actions 109 times. Never merged. Never widened. Performed 1224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 14:14:09,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:09,773 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:14:10,091 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.75% of their original sizes. [2018-11-23 14:14:10,091 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:14:10,152 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-23 14:14:10,153 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:14:10,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:14:10,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 14:14:10,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:10,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:14:10,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:14:10,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:14:10,155 INFO L87 Difference]: Start difference. First operand 1248 states and 1820 transitions. Second operand 6 states. [2018-11-23 14:14:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:11,655 INFO L93 Difference]: Finished difference Result 2638 states and 3854 transitions. [2018-11-23 14:14:11,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:14:11,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-11-23 14:14:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:11,661 INFO L225 Difference]: With dead ends: 2638 [2018-11-23 14:14:11,661 INFO L226 Difference]: Without dead ends: 1396 [2018-11-23 14:14:11,665 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:14:11,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2018-11-23 14:14:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1394. [2018-11-23 14:14:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2018-11-23 14:14:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1980 transitions. [2018-11-23 14:14:11,697 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1980 transitions. Word has length 152 [2018-11-23 14:14:11,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:11,697 INFO L480 AbstractCegarLoop]: Abstraction has 1394 states and 1980 transitions. [2018-11-23 14:14:11,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:14:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1980 transitions. [2018-11-23 14:14:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 14:14:11,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:11,702 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:11,702 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:11,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:11,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1927606987, now seen corresponding path program 1 times [2018-11-23 14:14:11,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:11,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:11,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:11,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:11,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:14:11,822 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:11,822 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:14:11,823 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 14:14:11,823 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:14:11,827 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:14:11,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:14:12,272 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:14:12,272 INFO L272 AbstractInterpreter]: Visited 112 different actions 328 times. Merged at 6 different actions 12 times. Never widened. Performed 3844 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 14:14:12,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:12,274 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:14:12,520 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.23% of their original sizes. [2018-11-23 14:14:12,521 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:14:12,598 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 14:14:12,598 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:14:12,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:14:12,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-23 14:14:12,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:12,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:14:12,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:14:12,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:14:12,599 INFO L87 Difference]: Start difference. First operand 1394 states and 1980 transitions. Second operand 10 states. [2018-11-23 14:14:16,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:16,873 INFO L93 Difference]: Finished difference Result 3681 states and 5564 transitions. [2018-11-23 14:14:16,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 14:14:16,873 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2018-11-23 14:14:16,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:16,882 INFO L225 Difference]: With dead ends: 3681 [2018-11-23 14:14:16,883 INFO L226 Difference]: Without dead ends: 2293 [2018-11-23 14:14:16,888 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 14:14:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2018-11-23 14:14:16,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2280. [2018-11-23 14:14:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2280 states. [2018-11-23 14:14:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 3178 transitions. [2018-11-23 14:14:16,942 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 3178 transitions. Word has length 157 [2018-11-23 14:14:16,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:16,942 INFO L480 AbstractCegarLoop]: Abstraction has 2280 states and 3178 transitions. [2018-11-23 14:14:16,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:14:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3178 transitions. [2018-11-23 14:14:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 14:14:16,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:16,948 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:16,949 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:16,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:16,949 INFO L82 PathProgramCache]: Analyzing trace with hash -103883909, now seen corresponding path program 1 times [2018-11-23 14:14:16,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:16,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:16,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:16,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:16,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 25 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 14:14:17,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:17,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:14:17,106 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-23 14:14:17,107 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:14:17,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:14:17,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:14:17,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:14:17,421 INFO L272 AbstractInterpreter]: Visited 114 different actions 454 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5335 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5335 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 14:14:17,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:17,423 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:14:17,618 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 86.61% of their original sizes. [2018-11-23 14:14:17,618 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:14:17,668 INFO L415 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-11-23 14:14:17,668 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:14:17,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:14:17,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 14:14:17,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:14:17,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:14:17,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:14:17,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:14:17,669 INFO L87 Difference]: Start difference. First operand 2280 states and 3178 transitions. Second operand 9 states. [2018-11-23 14:14:20,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:20,265 INFO L93 Difference]: Finished difference Result 6117 states and 8769 transitions. [2018-11-23 14:14:20,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 14:14:20,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-11-23 14:14:20,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:20,276 INFO L225 Difference]: With dead ends: 6117 [2018-11-23 14:14:20,276 INFO L226 Difference]: Without dead ends: 2961 [2018-11-23 14:14:20,286 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-23 14:14:20,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2018-11-23 14:14:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2920. [2018-11-23 14:14:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2920 states. [2018-11-23 14:14:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 3821 transitions. [2018-11-23 14:14:20,348 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 3821 transitions. Word has length 176 [2018-11-23 14:14:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:20,349 INFO L480 AbstractCegarLoop]: Abstraction has 2920 states and 3821 transitions. [2018-11-23 14:14:20,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:14:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3821 transitions. [2018-11-23 14:14:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 14:14:20,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:20,357 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 14:14:20,357 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:20,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:20,357 INFO L82 PathProgramCache]: Analyzing trace with hash -410277584, now seen corresponding path program 1 times [2018-11-23 14:14:20,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:20,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:20,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:20,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:20,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 14:14:20,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:20,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:14:20,478 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-23 14:14:20,478 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:14:20,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:14:20,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:14:20,785 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:14:20,786 INFO L272 AbstractInterpreter]: Visited 116 different actions 452 times. Merged at 7 different actions 25 times. Never widened. Performed 5500 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5500 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 14:14:20,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:20,790 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:14:20,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:20,790 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:14:20,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:20,797 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:14:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:20,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:14:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 14:14:20,940 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:14:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 14:14:21,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:14:21,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 14:14:21,036 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:14:21,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:14:21,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:14:21,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:14:21,037 INFO L87 Difference]: Start difference. First operand 2920 states and 3821 transitions. Second operand 9 states. [2018-11-23 14:14:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:21,680 INFO L93 Difference]: Finished difference Result 7337 states and 9735 transitions. [2018-11-23 14:14:21,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:14:21,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-11-23 14:14:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:21,695 INFO L225 Difference]: With dead ends: 7337 [2018-11-23 14:14:21,695 INFO L226 Difference]: Without dead ends: 4423 [2018-11-23 14:14:21,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:14:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2018-11-23 14:14:21,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4381. [2018-11-23 14:14:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2018-11-23 14:14:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5641 transitions. [2018-11-23 14:14:21,790 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5641 transitions. Word has length 219 [2018-11-23 14:14:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:21,790 INFO L480 AbstractCegarLoop]: Abstraction has 4381 states and 5641 transitions. [2018-11-23 14:14:21,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:14:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5641 transitions. [2018-11-23 14:14:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 14:14:21,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:14:21,801 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:14:21,801 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:14:21,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:21,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1499710173, now seen corresponding path program 1 times [2018-11-23 14:14:21,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:14:21,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:21,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:21,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:14:21,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:14:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 116 proven. 34 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:14:21,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:21,919 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:14:21,920 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 14:14:21,920 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:14:21,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:14:21,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:14:22,090 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:14:22,090 INFO L272 AbstractInterpreter]: Visited 117 different actions 347 times. Merged at 8 different actions 22 times. Never widened. Performed 4174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 14:14:22,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:14:22,091 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:14:22,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:14:22,092 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:14:22,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:14:22,098 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:14:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:14:22,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:14:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 14:14:22,208 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:14:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 14:14:22,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:14:22,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-23 14:14:22,310 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:14:22,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 14:14:22,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 14:14:22,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:14:22,311 INFO L87 Difference]: Start difference. First operand 4381 states and 5641 transitions. Second operand 11 states. [2018-11-23 14:14:23,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:14:23,796 INFO L93 Difference]: Finished difference Result 7055 states and 8955 transitions. [2018-11-23 14:14:23,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 14:14:23,796 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2018-11-23 14:14:23,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:14:23,797 INFO L225 Difference]: With dead ends: 7055 [2018-11-23 14:14:23,797 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:14:23,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 448 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-11-23 14:14:23,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:14:23,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:14:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:14:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:14:23,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-11-23 14:14:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:14:23,805 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:14:23,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 14:14:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:14:23,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:14:23,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:14:23,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:14:24,488 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2018-11-23 14:14:24,675 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-23 14:14:24,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:14:24,777 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-11-23 14:14:24,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:14:24,777 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 14:14:24,778 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 14:14:24,779 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2018-11-23 14:14:24,780 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 14:14:24,781 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 14:14:24,782 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 14:14:24,783 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 14:14:24,784 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,785 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,786 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 14:14:24,787 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 14:14:24,788 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,789 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse16 (= 1 |old(~a25~0)|)) (.cse6 (not (= 1 ~a21~0))) (.cse17 (not (= 1 |old(~a19~0)|))) (.cse7 (= 0 |old(~a28~0)|))) (let ((.cse18 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse5 (< 10 |old(~a28~0)|)) (.cse12 (< 0 |old(~a19~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse19 (= 1 ~a11~0)) (.cse1 (and (or .cse6 (not (= 10 |old(~a28~0)|)) (not .cse16) (not (= 0 |old(~a19~0)|))) (or .cse6 .cse17 .cse7))) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a11~0 0)) (.cse20 (= 1 ~a19~0)) (.cse11 (= ~a17~0 8)) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse13 (not .cse0)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse14 (not (= 1 |old(~a11~0)|)))) (and (or (or .cse0 (= ~a19~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11) .cse2 .cse3 .cse12 .cse4) (or .cse13 .cse5 .cse12 .cse14 .cse15 .cse16) (or .cse5 .cse17 (and .cse18 .cse8 .cse19 .cse20) .cse14 .cse15) (or .cse13 .cse1 .cse2 .cse3 .cse4 .cse16) (or .cse5 .cse6 .cse7 .cse2 .cse3 .cse12 .cse4 .cse13 .cse16) (or .cse6 .cse17 .cse7 .cse20 .cse3 .cse4 .cse14) (or .cse5 .cse13 .cse17 .cse14 .cse15 .cse16) (or (and .cse18 .cse8 .cse9 .cse19) .cse5 .cse12 .cse14 .cse15) (or .cse6 (and (not (= ~a28~0 0)) .cse19 .cse11) .cse7 .cse3 .cse4 .cse14) (or .cse17 .cse1 .cse2 .cse3 .cse4 (and .cse8 .cse10 .cse20 .cse11)) (or .cse6 (not (= 7 |old(~a28~0)|)) .cse17 .cse2 (= ~a25~0 0) .cse3 .cse4 (not (= 0 |old(~a25~0)|))) (or .cse6 .cse13 .cse7 .cse3 .cse4 .cse14 .cse16)))) [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 14:14:24,790 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 14:14:24,791 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,792 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 14:14:24,793 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 14:14:24,794 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:14:24,794 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:14:24,794 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-23 14:14:24,795 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse0 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse6 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse1 .cse5 .cse3) (and .cse0 .cse2 .cse4 (= ~a19~0 1)) (and .cse6 .cse5 .cse3 (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 14:14:24,795 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 14:14:24,795 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 14:14:24,795 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse7 (= 1 ~a19~0)) (.cse8 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a19~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse2 .cse6) (and .cse4 .cse2 .cse6 .cse7) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse0 .cse1 .cse7 .cse3) (and .cse8 .cse0 .cse5 .cse1 .cse6 .cse3))) [2018-11-23 14:14:24,795 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 14:14:24,795 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 14:14:24,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:14:24 BoogieIcfgContainer [2018-11-23 14:14:24,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:14:24,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:14:24,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:14:24,804 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:14:24,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:07" (3/4) ... [2018-11-23 14:14:24,808 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:14:24,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:14:24,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:14:24,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:14:24,826 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:14:24,827 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:14:24,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 14:14:24,916 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff7e7bfb-3b32-4c17-9019-a4ee9812a76b/bin-2019/utaipan/witness.graphml [2018-11-23 14:14:24,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:14:24,917 INFO L168 Benchmark]: Toolchain (without parser) took 18951.80 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 874.0 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -73.0 MB). Peak memory consumption was 801.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,918 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:14:24,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.34 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 915.1 MB in the beginning and 1.2 GB in the end (delta: -249.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,918 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,919 INFO L168 Benchmark]: RCFGBuilder took 750.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,919 INFO L168 Benchmark]: TraceAbstraction took 17589.95 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 704.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,919 INFO L168 Benchmark]: Witness Printer took 112.54 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:14:24,920 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.34 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 915.1 MB in the beginning and 1.2 GB in the end (delta: -249.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 750.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17589.95 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 704.6 MB. Max. memory is 11.5 GB. * Witness Printer took 112.54 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 17.5s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 11.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1433 SDtfs, 6014 SDslu, 1410 SDs, 0 SdLazy, 8270 SolverSat, 1660 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1448 GetRequests, 1356 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4381occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9965666007979735 AbsIntWeakeningRatio, 0.23236514522821577 AbsIntAvgWeakeningVarsNumRemoved, 25.04149377593361 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 165 NumberOfFragments, 722 HoareAnnotationTreeSize, 115 FomulaSimplifications, 2799 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2160 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2135 ConstructedInterpolants, 0 QuantifiedInterpolants, 694026 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1056/1226 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...