./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/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 05d2a3ff1add36607a16806c355c4adc86a8978e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:27:54,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:27:54,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:27:54,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:27:54,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:27:54,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:27:54,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:27:54,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:27:54,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:27:54,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:27:54,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:27:54,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:27:54,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:27:54,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:27:54,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:27:54,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:27:54,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:27:54,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:27:54,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:27:54,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:27:54,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:27:54,379 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:27:54,380 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:27:54,380 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:27:54,381 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:27:54,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:27:54,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:27:54,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:27:54,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:27:54,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:27:54,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:27:54,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:27:54,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:27:54,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:27:54,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:27:54,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:27:54,385 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:27:54,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:27:54,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:27:54,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:27:54,395 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:27:54,395 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:27:54,395 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:27:54,396 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:27:54,397 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:27:54,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:27:54,397 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:27:54,397 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:27:54,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:27:54,399 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:27:54,399 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:27:54,399 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:27:54,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:27:54,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:27:54,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:27:54,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:27:54,400 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:27:54,401 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_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-12-08 17:27:54,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:27:54,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:27:54,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:27:54,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:27:54,434 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:27:54,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-08 17:27:54,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/data/792bd88d1/3acbe473faf049719acb3fa5cd3c18fd/FLAG9b6c92be3 [2018-12-08 17:27:54,850 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:27:54,850 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-08 17:27:54,857 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/data/792bd88d1/3acbe473faf049719acb3fa5cd3c18fd/FLAG9b6c92be3 [2018-12-08 17:27:55,223 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/data/792bd88d1/3acbe473faf049719acb3fa5cd3c18fd [2018-12-08 17:27:55,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:27:55,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:27:55,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:55,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:27:55,238 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:27:55,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4969d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55, skipping insertion in model container [2018-12-08 17:27:55,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:27:55,277 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:27:55,468 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:55,472 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:27:55,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:55,588 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:27:55,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55 WrapperNode [2018-12-08 17:27:55,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:55,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:55,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:27:55,589 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:27:55,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:55,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:27:55,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:27:55,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:27:55,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... [2018-12-08 17:27:55,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:27:55,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:27:55,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:27:55,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:27:55,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:27:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:27:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:27:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:27:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:27:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:27:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:27:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:27:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:27:56,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:27:56,174 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:27:56,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:56 BoogieIcfgContainer [2018-12-08 17:27:56,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:27:56,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:27:56,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:27:56,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:27:56,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:27:55" (1/3) ... [2018-12-08 17:27:56,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f5402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:27:56, skipping insertion in model container [2018-12-08 17:27:56,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:55" (2/3) ... [2018-12-08 17:27:56,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f5402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:27:56, skipping insertion in model container [2018-12-08 17:27:56,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:56" (3/3) ... [2018-12-08 17:27:56,181 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-12-08 17:27:56,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:27:56,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:27:56,207 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:27:56,234 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:27:56,234 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:27:56,234 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:27:56,234 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:27:56,234 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:27:56,234 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:27:56,235 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:27:56,235 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:27:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-08 17:27:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 17:27:56,257 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:56,258 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:56,260 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:56,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash -421627906, now seen corresponding path program 1 times [2018-12-08 17:27:56,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:56,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:56,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:56,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:56,295 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:56,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:56,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:27:56,525 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:56,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:27:56,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:27:56,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:27:56,538 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-08 17:27:56,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:56,986 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-08 17:27:56,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:27:56,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-12-08 17:27:56,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:56,994 INFO L225 Difference]: With dead ends: 547 [2018-12-08 17:27:56,995 INFO L226 Difference]: Without dead ends: 278 [2018-12-08 17:27:56,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:27:57,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-08 17:27:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-08 17:27:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-08 17:27:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-08 17:27:57,031 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 132 [2018-12-08 17:27:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:57,032 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-08 17:27:57,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:27:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-08 17:27:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 17:27:57,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:57,035 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:57,035 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:57,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:57,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1878869349, now seen corresponding path program 1 times [2018-12-08 17:27:57,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:57,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:57,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:57,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:57,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:27:57,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:57,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:27:57,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:27:57,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:27:57,098 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-08 17:27:57,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:57,449 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-08 17:27:57,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:27:57,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-12-08 17:27:57,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:57,452 INFO L225 Difference]: With dead ends: 840 [2018-12-08 17:27:57,452 INFO L226 Difference]: Without dead ends: 568 [2018-12-08 17:27:57,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:27:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-08 17:27:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-08 17:27:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-08 17:27:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-08 17:27:57,474 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 141 [2018-12-08 17:27:57,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:57,475 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-08 17:27:57,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:27:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-08 17:27:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 17:27:57,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:57,477 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:57,477 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:57,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:57,478 INFO L82 PathProgramCache]: Analyzing trace with hash -260285342, now seen corresponding path program 1 times [2018-12-08 17:27:57,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:57,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:57,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:57,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:57,479 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:57,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:27:57,540 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:27:57,541 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-08 17:27:57,542 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:27:57,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:27:57,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:27:58,007 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:27:58,008 INFO L272 AbstractInterpreter]: Visited 136 different actions 265 times. Merged at 3 different actions 3 times. Never widened. Performed 3574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 17:27:58,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:58,013 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:27:58,219 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.15% of their original sizes. [2018-12-08 17:27:58,220 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:27:58,274 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-08 17:27:58,274 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:27:58,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:27:58,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 17:27:58,275 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:58,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:27:58,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:27:58,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:27:58,276 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 10 states. [2018-12-08 17:28:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:01,652 INFO L93 Difference]: Finished difference Result 1901 states and 2752 transitions. [2018-12-08 17:28:01,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 17:28:01,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-12-08 17:28:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:01,655 INFO L225 Difference]: With dead ends: 1901 [2018-12-08 17:28:01,655 INFO L226 Difference]: Without dead ends: 1349 [2018-12-08 17:28:01,656 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 17:28:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-08 17:28:01,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-08 17:28:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-08 17:28:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 939 transitions. [2018-12-08 17:28:01,672 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 939 transitions. Word has length 152 [2018-12-08 17:28:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:01,672 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 939 transitions. [2018-12-08 17:28:01,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:28:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 939 transitions. [2018-12-08 17:28:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 17:28:01,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:01,674 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:01,674 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:01,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1396649996, now seen corresponding path program 1 times [2018-12-08 17:28:01,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:01,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:01,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:01,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:01,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:28:01,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:01,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:01,761 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-08 17:28:01,761 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:01,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:01,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:01,877 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:28:01,877 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3464 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 17:28:01,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:01,879 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:28:01,988 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 82.12% of their original sizes. [2018-12-08 17:28:01,989 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:28:02,044 INFO L418 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-12-08 17:28:02,044 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:28:02,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:28:02,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 17:28:02,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:28:02,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:28:02,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:28:02,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:28:02,045 INFO L87 Difference]: Start difference. First operand 697 states and 939 transitions. Second operand 10 states. [2018-12-08 17:28:03,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:03,899 INFO L93 Difference]: Finished difference Result 1662 states and 2205 transitions. [2018-12-08 17:28:03,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 17:28:03,899 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2018-12-08 17:28:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:03,901 INFO L225 Difference]: With dead ends: 1662 [2018-12-08 17:28:03,901 INFO L226 Difference]: Without dead ends: 971 [2018-12-08 17:28:03,902 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 17:28:03,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-08 17:28:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-08 17:28:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-08 17:28:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1236 transitions. [2018-12-08 17:28:03,916 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1236 transitions. Word has length 159 [2018-12-08 17:28:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:03,916 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1236 transitions. [2018-12-08 17:28:03,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:28:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1236 transitions. [2018-12-08 17:28:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 17:28:03,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:03,918 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:03,918 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:03,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash -295399917, now seen corresponding path program 1 times [2018-12-08 17:28:03,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:03,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:03,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:03,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:03,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 17:28:03,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:03,972 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:03,973 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-08 17:28:03,973 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:03,976 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:03,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:04,241 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:28:04,241 INFO L272 AbstractInterpreter]: Visited 138 different actions 546 times. Merged at 7 different actions 27 times. Never widened. Performed 7567 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-08 17:28:04,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:04,243 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:28:04,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:04,243 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:28:04,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:04,250 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:28:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:04,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:28:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 17:28:04,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:28:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 17:28:04,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:28:04,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-08 17:28:04,491 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:28:04,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 17:28:04,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 17:28:04,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:28:04,492 INFO L87 Difference]: Start difference. First operand 969 states and 1236 transitions. Second operand 8 states. [2018-12-08 17:28:05,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:05,849 INFO L93 Difference]: Finished difference Result 2933 states and 3963 transitions. [2018-12-08 17:28:05,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 17:28:05,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-12-08 17:28:05,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:05,853 INFO L225 Difference]: With dead ends: 2933 [2018-12-08 17:28:05,853 INFO L226 Difference]: Without dead ends: 1819 [2018-12-08 17:28:05,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2018-12-08 17:28:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-08 17:28:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1527. [2018-12-08 17:28:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-08 17:28:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1773 transitions. [2018-12-08 17:28:05,881 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1773 transitions. Word has length 170 [2018-12-08 17:28:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:05,881 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1773 transitions. [2018-12-08 17:28:05,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 17:28:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1773 transitions. [2018-12-08 17:28:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 17:28:05,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:05,884 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:05,885 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:05,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash 816954183, now seen corresponding path program 1 times [2018-12-08 17:28:05,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:05,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:05,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:05,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:05,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 17:28:05,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:05,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:05,953 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-12-08 17:28:05,953 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:05,955 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:05,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:06,091 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:28:06,091 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 4 different actions 4 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 17:28:06,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:06,092 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:28:06,219 INFO L227 lantSequenceWeakener]: Weakened 194 states. On average, predicates are now at 82% of their original sizes. [2018-12-08 17:28:06,219 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:28:06,251 INFO L418 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-12-08 17:28:06,251 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:28:06,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:28:06,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 17:28:06,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:28:06,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:28:06,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:28:06,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:28:06,252 INFO L87 Difference]: Start difference. First operand 1527 states and 1773 transitions. Second operand 10 states. [2018-12-08 17:28:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:08,178 INFO L93 Difference]: Finished difference Result 3050 states and 3596 transitions. [2018-12-08 17:28:08,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 17:28:08,178 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2018-12-08 17:28:08,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:08,181 INFO L225 Difference]: With dead ends: 3050 [2018-12-08 17:28:08,181 INFO L226 Difference]: Without dead ends: 1801 [2018-12-08 17:28:08,182 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:28:08,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-12-08 17:28:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2018-12-08 17:28:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2018-12-08 17:28:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2066 transitions. [2018-12-08 17:28:08,202 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2066 transitions. Word has length 197 [2018-12-08 17:28:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:08,202 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2066 transitions. [2018-12-08 17:28:08,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:28:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2066 transitions. [2018-12-08 17:28:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 17:28:08,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:08,205 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:08,205 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:08,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:08,205 INFO L82 PathProgramCache]: Analyzing trace with hash 145649996, now seen corresponding path program 1 times [2018-12-08 17:28:08,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:08,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:08,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:08,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:08,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:28:08,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:08,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:08,277 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-12-08 17:28:08,277 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:08,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:08,279 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:08,544 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:28:08,544 INFO L272 AbstractInterpreter]: Visited 139 different actions 553 times. Merged at 8 different actions 30 times. Never widened. Performed 7730 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7730 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-08 17:28:08,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:08,552 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:28:08,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:08,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:28:08,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:08,558 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:28:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:08,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:28:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 17:28:08,639 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:28:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 17:28:08,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:28:08,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-08 17:28:08,707 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:28:08,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 17:28:08,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 17:28:08,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-08 17:28:08,708 INFO L87 Difference]: Start difference. First operand 1799 states and 2066 transitions. Second operand 11 states. [2018-12-08 17:28:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:09,705 INFO L93 Difference]: Finished difference Result 6386 states and 7727 transitions. [2018-12-08 17:28:09,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 17:28:09,706 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2018-12-08 17:28:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:09,714 INFO L225 Difference]: With dead ends: 6386 [2018-12-08 17:28:09,715 INFO L226 Difference]: Without dead ends: 5000 [2018-12-08 17:28:09,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-08 17:28:09,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2018-12-08 17:28:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4861. [2018-12-08 17:28:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4861 states. [2018-12-08 17:28:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 5729 transitions. [2018-12-08 17:28:09,775 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 5729 transitions. Word has length 205 [2018-12-08 17:28:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:09,776 INFO L480 AbstractCegarLoop]: Abstraction has 4861 states and 5729 transitions. [2018-12-08 17:28:09,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 17:28:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 5729 transitions. [2018-12-08 17:28:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 17:28:09,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:09,782 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:09,782 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:09,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1003340765, now seen corresponding path program 1 times [2018-12-08 17:28:09,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:09,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:09,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:09,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:09,783 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 17:28:09,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:09,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:09,879 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-08 17:28:09,879 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:09,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:09,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:10,152 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:28:10,152 INFO L272 AbstractInterpreter]: Visited 140 different actions 562 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 7889 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7889 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-08 17:28:10,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:10,155 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:28:10,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:10,155 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:28:10,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:10,161 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:28:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:10,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:28:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:28:10,243 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:28:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 95 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:28:10,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:28:10,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-08 17:28:10,322 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:28:10,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 17:28:10,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 17:28:10,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-08 17:28:10,322 INFO L87 Difference]: Start difference. First operand 4861 states and 5729 transitions. Second operand 12 states. [2018-12-08 17:28:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:12,528 INFO L93 Difference]: Finished difference Result 15012 states and 19009 transitions. [2018-12-08 17:28:12,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-08 17:28:12,529 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 224 [2018-12-08 17:28:12,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:12,549 INFO L225 Difference]: With dead ends: 15012 [2018-12-08 17:28:12,549 INFO L226 Difference]: Without dead ends: 10294 [2018-12-08 17:28:12,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 480 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=512, Invalid=1938, Unknown=0, NotChecked=0, Total=2450 [2018-12-08 17:28:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10294 states. [2018-12-08 17:28:12,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10294 to 9722. [2018-12-08 17:28:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9722 states. [2018-12-08 17:28:12,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 12028 transitions. [2018-12-08 17:28:12,695 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 12028 transitions. Word has length 224 [2018-12-08 17:28:12,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:12,696 INFO L480 AbstractCegarLoop]: Abstraction has 9722 states and 12028 transitions. [2018-12-08 17:28:12,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 17:28:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 12028 transitions. [2018-12-08 17:28:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-08 17:28:12,710 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:12,711 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:12,711 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:12,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:12,711 INFO L82 PathProgramCache]: Analyzing trace with hash 198414137, now seen corresponding path program 1 times [2018-12-08 17:28:12,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:12,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:12,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:12,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:12,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 114 proven. 53 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 17:28:12,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:12,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:12,824 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-12-08 17:28:12,825 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 17:28:12,826 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:12,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:13,152 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:28:13,152 INFO L272 AbstractInterpreter]: Visited 140 different actions 690 times. Merged at 9 different actions 34 times. Never widened. Performed 9589 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9589 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-08 17:28:13,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:13,154 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:28:13,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:13,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:28:13,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:13,160 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:28:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:13,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:28:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 17:28:13,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:28:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 17:28:13,338 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:28:13,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 17:28:13,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:28:13,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:28:13,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:28:13,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:28:13,339 INFO L87 Difference]: Start difference. First operand 9722 states and 12028 transitions. Second operand 3 states. [2018-12-08 17:28:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:13,574 INFO L93 Difference]: Finished difference Result 10407 states and 12836 transitions. [2018-12-08 17:28:13,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:28:13,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-12-08 17:28:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:13,575 INFO L225 Difference]: With dead ends: 10407 [2018-12-08 17:28:13,575 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:28:13,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:28:13,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:28:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:28:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:28:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:28:13,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-12-08 17:28:13,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:13,586 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:28:13,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:28:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:28:13,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:28:13,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:28:13,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,828 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 99 [2018-12-08 17:28:13,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:28:13,933 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 108 [2018-12-08 17:28:14,893 WARN L180 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 100 [2018-12-08 17:28:15,097 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2018-12-08 17:28:15,311 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2018-12-08 17:28:15,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-08 17:28:15,313 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-08 17:28:15,314 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,315 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,316 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,317 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,318 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,319 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,320 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-08 17:28:15,321 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= 1 |old(~a17~0)|)) (.cse21 (= 1 |old(~a20~0)|))) (let ((.cse6 (not (= 1 |old(~a21~0)|))) (.cse10 (not .cse21)) (.cse13 (= 0 |old(~a16~0)|)) (.cse7 (not (= 8 ~a12~0))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse14 (not .cse22)) (.cse28 (= ~a16~0 6)) (.cse25 (= ~a7~0 |old(~a7~0)|)) (.cse26 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= ~a17~0 |old(~a17~0)|))) (let ((.cse3 (not (= 5 |old(~a16~0)|))) (.cse1 (= ~a16~0 5)) (.cse20 (< 0 |old(~a20~0)|)) (.cse18 (and .cse25 .cse26 .cse23 .cse24)) (.cse19 (< |old(~a8~0)| 15)) (.cse17 (not (= 1 |old(~a7~0)|))) (.cse16 (not .cse28)) (.cse15 (= 13 |old(~a8~0)|)) (.cse8 (< 0 |old(~a17~0)|)) (.cse5 (= 6 |old(~a16~0)|)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse2 (not (= 15 |old(~a8~0)|))) (.cse4 (or .cse6 .cse10 .cse13 .cse7 .cse9 (= 0 |old(~a8~0)|) .cse14)) (.cse11 (not (= ~a16~0 0))) (.cse12 (= ~a21~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 (and .cse11 .cse12) .cse13) (or .cse9 (or .cse0 .cse6 .cse2 (not (= 0 |old(~a20~0)|)) .cse3 .cse7 .cse14) (and .cse12 .cse1)) (or .cse5 .cse15 .cse16 .cse17 .cse8) (or .cse18 .cse19 .cse20) (or .cse18 (or .cse15 .cse8 .cse20)) (or .cse5 .cse21 .cse19 .cse18) (or .cse22 .cse19 .cse18) (or .cse5 .cse16 .cse21 .cse19) (or (and .cse23 .cse24 (or (and .cse25 .cse26 .cse16) (and .cse25 (= 1 ~a7~0) .cse26))) (let ((.cse27 (< 13 |old(~a8~0)|))) (and (or .cse27 .cse17) (or .cse5 .cse27)))) (or .cse5 (and .cse25 .cse26 .cse23 .cse24 .cse16) .cse15 (< |old(~a20~0)| 1) .cse8) (or .cse9 (and .cse12 .cse28) (or (not .cse5) .cse0 .cse6 .cse10 .cse2 (not (= 0 |old(~a17~0)|)) .cse7)) (or .cse4 (and .cse11 .cse12 .cse25 .cse26 .cse24 (= ~a20~0 1))))))) [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 17:28:15,322 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-08 17:28:15,323 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 17:28:15,324 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-08 17:28:15,325 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:28:15,325 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-08 17:28:15,325 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-08 17:28:15,326 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1)) (.cse5 (<= ~a17~0 0)) (.cse4 (<= ~a20~0 0)) (.cse2 (not (= ~a16~0 6)))) (or (and (not .cse0) .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (not (= ~a8~0 0)) .cse3 (= ~a21~0 1) .cse0) (and .cse1 .cse4) (and .cse1 (not .cse3)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse5) (and .cse5 (not (= ~a8~0 13)) .cse4) (let ((.cse6 (<= ~a8~0 13))) (or (and .cse6 (= 1 ~a7~0)) (and .cse6 .cse2))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-08 17:28:15,326 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-08 17:28:15,326 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-08 17:28:15,326 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a17~0 1)) (.cse5 (= ~a20~0 1)) (.cse0 (<= 15 ~a8~0)) (.cse3 (not (= ~a16~0 6))) (.cse4 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1) (and .cse0 (not .cse2)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse3 .cse4) (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse2 (= ~a21~0 1) .cse5) (and (not .cse5) .cse0 .cse3) (let ((.cse6 (<= ~a8~0 13))) (or (and .cse6 (= 1 ~a7~0)) (and .cse6 .cse3))) (and .cse4 (not (= ~a8~0 13)) .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-08 17:28:15,326 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-08 17:28:15,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:28:15 BoogieIcfgContainer [2018-12-08 17:28:15,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:28:15,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:28:15,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:28:15,335 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:28:15,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:56" (3/4) ... [2018-12-08 17:28:15,339 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:28:15,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:28:15,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:28:15,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:28:15,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:28:15,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:28:15,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && a17 <= 0)) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-12-08 17:28:15,417 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f55ff5ad-64f8-44ba-ab53-cb88590a1cb3/bin-2019/utaipan/witness.graphml [2018-12-08 17:28:15,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:28:15,417 INFO L168 Benchmark]: Toolchain (without parser) took 20188.08 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,418 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:28:15,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:28:15,418 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,419 INFO L168 Benchmark]: RCFGBuilder took 532.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,419 INFO L168 Benchmark]: TraceAbstraction took 19159.40 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,419 INFO L168 Benchmark]: Witness Printer took 81.53 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:28:15,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 532.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19159.40 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 81.53 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && a17 <= 0)) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 19.1s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 12.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 472 SDtfs, 8602 SDslu, 763 SDs, 0 SdLazy, 11743 SolverSat, 2127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2362 GetRequests, 2197 SyntacticMatches, 8 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9722occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9972562967747833 AbsIntWeakeningRatio, 0.2198019801980198 AbsIntAvgWeakeningVarsNumRemoved, 29.447524752475246 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1669 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 484 NumberOfFragments, 725 HoareAnnotationTreeSize, 218 FomulaSimplifications, 23652 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8322 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2445 NumberOfCodeBlocks, 2445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225908 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2445 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 1597/1806 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...