./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/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 7013b5440d15c52781747fe18e114861ef321ee3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:38:53,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:38:53,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:38:53,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:38:53,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:38:53,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:38:53,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:38:53,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:38:53,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:38:53,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:38:53,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:38:53,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:38:53,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:38:53,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:38:53,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:38:53,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:38:53,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:38:53,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:38:53,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:38:53,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:38:53,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:38:53,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:38:53,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:38:53,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:38:53,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:38:53,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:38:53,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:38:53,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:38:53,668 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:38:53,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:38:53,669 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:38:53,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:38:53,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:38:53,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:38:53,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:38:53,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:38:53,671 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:38:53,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:38:53,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:38:53,682 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:38:53,682 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:38:53,682 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:38:53,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:38:53,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:38:53,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:38:53,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:38:53,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:38:53,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:38:53,685 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:38:53,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:38:53,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:38:53,685 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:38:53,685 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_abac3f62-315b-4456-b2a8-0b0a8a512986/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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-11-18 17:38:53,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:38:53,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:38:53,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:38:53,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:38:53,722 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:38:53,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-11-18 17:38:53,764 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/data/4184d0b19/6fd80ba58bfd4ec88b93b7f7c06dc3d2/FLAGdc221d54b [2018-11-18 17:38:54,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:38:54,121 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-11-18 17:38:54,129 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/data/4184d0b19/6fd80ba58bfd4ec88b93b7f7c06dc3d2/FLAGdc221d54b [2018-11-18 17:38:54,141 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/data/4184d0b19/6fd80ba58bfd4ec88b93b7f7c06dc3d2 [2018-11-18 17:38:54,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:38:54,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:38:54,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:38:54,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:38:54,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:38:54,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54, skipping insertion in model container [2018-11-18 17:38:54,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:38:54,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:38:54,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:38:54,428 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:38:54,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:38:54,508 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:38:54,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54 WrapperNode [2018-11-18 17:38:54,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:38:54,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:38:54,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:38:54,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:38:54,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:38:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:38:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:38:54,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:38:54,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... [2018-11-18 17:38:54,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:38:54,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:38:54,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:38:54,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:38:54,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:38:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:38:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:38:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:38:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:38:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:38:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:38:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:38:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:38:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:38:55,406 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:38:55,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:55 BoogieIcfgContainer [2018-11-18 17:38:55,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:38:55,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:38:55,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:38:55,410 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:38:55,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:38:54" (1/3) ... [2018-11-18 17:38:55,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:38:55, skipping insertion in model container [2018-11-18 17:38:55,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:54" (2/3) ... [2018-11-18 17:38:55,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:38:55, skipping insertion in model container [2018-11-18 17:38:55,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:55" (3/3) ... [2018-11-18 17:38:55,414 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label54_true-unreach-call_false-termination.c [2018-11-18 17:38:55,420 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:38:55,426 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:38:55,436 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:38:55,460 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:38:55,461 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:38:55,461 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:38:55,461 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:38:55,461 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:38:55,461 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:38:55,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:38:55,461 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:38:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:38:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 17:38:55,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:55,488 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:55,490 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:55,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:55,494 INFO L82 PathProgramCache]: Analyzing trace with hash -410796504, now seen corresponding path program 1 times [2018-11-18 17:38:55,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:55,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:55,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:55,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:55,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:38:55,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:55,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:38:55,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:55,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:38:55,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:38:55,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:55,799 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:38:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:56,428 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 17:38:56,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:38:56,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-18 17:38:56,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:56,439 INFO L225 Difference]: With dead ends: 621 [2018-11-18 17:38:56,439 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 17:38:56,443 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:56,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 17:38:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 17:38:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 17:38:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 17:38:56,498 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 108 [2018-11-18 17:38:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:56,500 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 17:38:56,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:38:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 17:38:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:38:56,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:56,504 INFO L375 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] [2018-11-18 17:38:56,505 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:56,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:56,506 INFO L82 PathProgramCache]: Analyzing trace with hash 842519989, now seen corresponding path program 1 times [2018-11-18 17:38:56,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:56,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:56,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:56,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:56,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:38:56,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:56,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:38:56,598 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:56,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:38:56,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:38:56,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:56,600 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 3 states. [2018-11-18 17:38:57,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:57,049 INFO L93 Difference]: Finished difference Result 1049 states and 1735 transitions. [2018-11-18 17:38:57,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:38:57,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-18 17:38:57,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:57,054 INFO L225 Difference]: With dead ends: 1049 [2018-11-18 17:38:57,054 INFO L226 Difference]: Without dead ends: 673 [2018-11-18 17:38:57,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-11-18 17:38:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-11-18 17:38:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 17:38:57,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1035 transitions. [2018-11-18 17:38:57,083 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1035 transitions. Word has length 117 [2018-11-18 17:38:57,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:57,083 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 1035 transitions. [2018-11-18 17:38:57,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:38:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1035 transitions. [2018-11-18 17:38:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 17:38:57,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:57,088 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 17:38:57,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:57,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:57,088 INFO L82 PathProgramCache]: Analyzing trace with hash -821181838, now seen corresponding path program 1 times [2018-11-18 17:38:57,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:57,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:57,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:57,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:57,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:38:57,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:57,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:38:57,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:57,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:38:57,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:38:57,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:38:57,184 INFO L87 Difference]: Start difference. First operand 673 states and 1035 transitions. Second operand 6 states. [2018-11-18 17:38:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:57,886 INFO L93 Difference]: Finished difference Result 2200 states and 3543 transitions. [2018-11-18 17:38:57,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:38:57,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-18 17:38:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:57,893 INFO L225 Difference]: With dead ends: 2200 [2018-11-18 17:38:57,893 INFO L226 Difference]: Without dead ends: 1533 [2018-11-18 17:38:57,896 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:38:57,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2018-11-18 17:38:57,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1502. [2018-11-18 17:38:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2018-11-18 17:38:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 2214 transitions. [2018-11-18 17:38:57,941 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 2214 transitions. Word has length 131 [2018-11-18 17:38:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:57,942 INFO L480 AbstractCegarLoop]: Abstraction has 1502 states and 2214 transitions. [2018-11-18 17:38:57,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:38:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2214 transitions. [2018-11-18 17:38:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 17:38:57,945 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:57,946 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:57,946 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:57,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:57,946 INFO L82 PathProgramCache]: Analyzing trace with hash -873096346, now seen corresponding path program 1 times [2018-11-18 17:38:57,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:57,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:57,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:57,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:57,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:38:58,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:58,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:38:58,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:58,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:38:58,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:38:58,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:38:58,037 INFO L87 Difference]: Start difference. First operand 1502 states and 2214 transitions. Second operand 6 states. [2018-11-18 17:38:58,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:58,793 INFO L93 Difference]: Finished difference Result 3724 states and 5537 transitions. [2018-11-18 17:38:58,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:38:58,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-18 17:38:58,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:58,808 INFO L225 Difference]: With dead ends: 3724 [2018-11-18 17:38:58,808 INFO L226 Difference]: Without dead ends: 2228 [2018-11-18 17:38:58,813 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:38:58,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2018-11-18 17:38:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2187. [2018-11-18 17:38:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2187 states. [2018-11-18 17:38:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3040 transitions. [2018-11-18 17:38:58,863 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3040 transitions. Word has length 137 [2018-11-18 17:38:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:58,863 INFO L480 AbstractCegarLoop]: Abstraction has 2187 states and 3040 transitions. [2018-11-18 17:38:58,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:38:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3040 transitions. [2018-11-18 17:38:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 17:38:58,868 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:58,868 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 17:38:58,868 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:58,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:58,869 INFO L82 PathProgramCache]: Analyzing trace with hash -59817223, now seen corresponding path program 1 times [2018-11-18 17:38:58,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:58,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:58,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:58,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:58,870 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:38:59,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:38:59,014 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:38:59,015 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-18 17:38:59,016 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:38:59,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:38:59,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:38:59,597 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:38:59,598 INFO L272 AbstractInterpreter]: Visited 113 different actions 333 times. Merged at 7 different actions 18 times. Never widened. Performed 4021 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4021 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:38:59,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:59,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:38:59,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:38:59,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:38:59,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:59,631 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:38:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:59,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:38:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:38:59,741 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:38:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:38:59,851 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:38:59,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 17:38:59,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:59,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:38:59,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:38:59,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:38:59,853 INFO L87 Difference]: Start difference. First operand 2187 states and 3040 transitions. Second operand 3 states. [2018-11-18 17:39:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:39:00,364 INFO L93 Difference]: Finished difference Result 6123 states and 8727 transitions. [2018-11-18 17:39:00,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:39:00,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-11-18 17:39:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:39:00,369 INFO L225 Difference]: With dead ends: 6123 [2018-11-18 17:39:00,369 INFO L226 Difference]: Without dead ends: 1841 [2018-11-18 17:39:00,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:39:00,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2018-11-18 17:39:00,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1824. [2018-11-18 17:39:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1824 states. [2018-11-18 17:39:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2358 transitions. [2018-11-18 17:39:00,405 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2358 transitions. Word has length 145 [2018-11-18 17:39:00,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:39:00,406 INFO L480 AbstractCegarLoop]: Abstraction has 1824 states and 2358 transitions. [2018-11-18 17:39:00,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:39:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2358 transitions. [2018-11-18 17:39:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 17:39:00,409 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:39:00,409 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:39:00,410 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:39:00,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:00,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1067177887, now seen corresponding path program 1 times [2018-11-18 17:39:00,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:39:00,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:00,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:39:00,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:00,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:39:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:00,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:39:00,520 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:39:00,520 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 17:39:00,521 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:39:00,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:39:00,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:39:00,606 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:39:00,606 INFO L272 AbstractInterpreter]: Visited 109 different actions 109 times. Never merged. Never widened. Performed 1234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 17:39:00,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:00,618 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:39:00,813 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 80.78% of their original sizes. [2018-11-18 17:39:00,814 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:39:00,845 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 17:39:00,845 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:39:00,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:39:00,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 17:39:00,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:39:00,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:39:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:39:00,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:39:00,847 INFO L87 Difference]: Start difference. First operand 1824 states and 2358 transitions. Second operand 6 states. [2018-11-18 17:39:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:39:02,732 INFO L93 Difference]: Finished difference Result 3792 states and 4889 transitions. [2018-11-18 17:39:02,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:39:02,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 17:39:02,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:39:02,736 INFO L225 Difference]: With dead ends: 3792 [2018-11-18 17:39:02,737 INFO L226 Difference]: Without dead ends: 1974 [2018-11-18 17:39:02,739 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:39:02,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2018-11-18 17:39:02,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1971. [2018-11-18 17:39:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-11-18 17:39:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2516 transitions. [2018-11-18 17:39:02,766 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2516 transitions. Word has length 151 [2018-11-18 17:39:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:39:02,767 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2516 transitions. [2018-11-18 17:39:02,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:39:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2516 transitions. [2018-11-18 17:39:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 17:39:02,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:39:02,770 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:39:02,770 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:39:02,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:02,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1348445523, now seen corresponding path program 1 times [2018-11-18 17:39:02,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:39:02,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:02,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:39:02,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:02,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:39:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:02,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:39:02,843 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:39:02,843 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 17:39:02,844 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:39:02,847 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:39:02,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:39:03,098 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:39:03,099 INFO L272 AbstractInterpreter]: Visited 113 different actions 333 times. Merged at 7 different actions 18 times. Never widened. Performed 3952 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3952 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:39:03,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:03,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:39:03,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:39:03,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:39:03,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:39:03,119 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:39:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:03,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:39:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:39:03,191 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:39:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:39:03,286 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:39:03,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 17:39:03,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:39:03,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:39:03,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:39:03,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:39:03,286 INFO L87 Difference]: Start difference. First operand 1971 states and 2516 transitions. Second operand 3 states. [2018-11-18 17:39:03,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:39:03,678 INFO L93 Difference]: Finished difference Result 4995 states and 6561 transitions. [2018-11-18 17:39:03,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:39:03,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2018-11-18 17:39:03,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:39:03,690 INFO L225 Difference]: With dead ends: 4995 [2018-11-18 17:39:03,690 INFO L226 Difference]: Without dead ends: 3030 [2018-11-18 17:39:03,696 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:39:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2018-11-18 17:39:03,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3028. [2018-11-18 17:39:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3028 states. [2018-11-18 17:39:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 3722 transitions. [2018-11-18 17:39:03,758 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 3722 transitions. Word has length 151 [2018-11-18 17:39:03,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:39:03,758 INFO L480 AbstractCegarLoop]: Abstraction has 3028 states and 3722 transitions. [2018-11-18 17:39:03,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:39:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3722 transitions. [2018-11-18 17:39:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 17:39:03,765 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:39:03,765 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:39:03,765 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:39:03,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:03,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1591993186, now seen corresponding path program 1 times [2018-11-18 17:39:03,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:39:03,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:03,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:39:03,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:39:03,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:39:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 50 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:39:03,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:39:03,890 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:39:03,890 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 17:39:03,891 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:39:03,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:39:03,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:39:04,055 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:39:04,056 INFO L272 AbstractInterpreter]: Visited 113 different actions 338 times. Merged at 7 different actions 21 times. Never widened. Performed 3890 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3890 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:39:04,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:04,066 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:39:04,241 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 84.45% of their original sizes. [2018-11-18 17:39:04,241 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:39:04,292 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-18 17:39:04,292 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:39:04,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:39:04,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 17:39:04,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:39:04,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:39:04,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:39:04,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:39:04,293 INFO L87 Difference]: Start difference. First operand 3028 states and 3722 transitions. Second operand 9 states. [2018-11-18 17:39:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:39:06,511 INFO L93 Difference]: Finished difference Result 6088 states and 7353 transitions. [2018-11-18 17:39:06,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 17:39:06,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2018-11-18 17:39:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:39:06,511 INFO L225 Difference]: With dead ends: 6088 [2018-11-18 17:39:06,511 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:39:06,517 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:39:06,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:39:06,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:39:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:39:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:39:06,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-18 17:39:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:39:06,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:39:06,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:39:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:39:06,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:39:06,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:39:06,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:39:06,940 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2018-11-18 17:39:07,051 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0)) [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,147 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,148 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:39:07,149 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:39:07,150 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:39:07,151 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:39:07,152 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,153 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:39:07,154 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:39:07,155 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:39:07,156 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,157 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (= |old(~a28~0)| ~a28~0)) (.cse6 (= |old(~a25~0)| ~a25~0)) (.cse8 (not (= ~a11~0 1)))) (let ((.cse3 (not (= 1 ~a21~0))) (.cse10 (= 0 |old(~a28~0)|)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse16 (< 7 |old(~a28~0)|)) (.cse2 (= 1 |old(~a25~0)|)) (.cse1 (and .cse4 .cse6 .cse8)) (.cse13 (= 11 |old(~a28~0)|)) (.cse0 (= 1 |old(~a11~0)|)) (.cse17 (<= ~a17~0 7)) (.cse15 (= 1 ~a19~0)) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse14 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 .cse11 .cse12) (or .cse9 .cse13 .cse14 .cse15) (or .cse3 (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) .cse12 .cse9 (= ~a11~0 0) .cse11 (not (= 0 |old(~a25~0)|))) (or .cse16 .cse9 (and .cse4 .cse15 .cse6)) (or (and .cse4 .cse17 .cse6) .cse13 .cse14) (or .cse0 .cse17 .cse14 .cse2) (or .cse0 .cse9 .cse15 .cse13) (or .cse3 .cse9 .cse10 (and .cse4 .cse5 .cse6 .cse7) .cse11 .cse12 .cse13) (or .cse16 .cse2 (and .cse4 .cse6)) (or .cse9 (and .cse4 .cse17 .cse15 .cse6) .cse14 .cse2) (or .cse0 .cse1 .cse13) (or .cse0 (and .cse4 .cse17 .cse15 .cse6 .cse8) .cse9 .cse14)))) [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:39:07,158 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:39:07,159 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:39:07,160 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:39:07,161 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:39:07,162 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:39:07,162 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:39:07,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:39:07,162 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-11-18 17:39:07,162 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:39:07,162 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse0 (not (= ~a11~0 1))) (.cse5 (<= ~a28~0 7)) (.cse4 (= 1 ~a19~0)) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse1 (not (= ~a28~0 11)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse2 .cse4) (and .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse4 .cse0) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse0) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse4) (and .cse6 .cse7 .cse1))) [2018-11-18 17:39:07,162 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:39:07,162 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:39:07,162 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse0 (<= ~a28~0 7)) (.cse3 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse8 (= 1 ~a19~0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse8) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse8) (and .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse2) (and .cse4 .cse5 .cse6 .cse2))) [2018-11-18 17:39:07,163 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:39:07,163 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:39:07,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:39:07 BoogieIcfgContainer [2018-11-18 17:39:07,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:39:07,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:39:07,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:39:07,173 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:39:07,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:55" (3/4) ... [2018-11-18 17:39:07,177 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:39:07,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:39:07,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:39:07,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:39:07,192 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:39:07,192 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:39:07,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) [2018-11-18 17:39:07,280 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_abac3f62-315b-4456-b2a8-0b0a8a512986/bin-2019/utaipan/witness.graphml [2018-11-18 17:39:07,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:39:07,281 INFO L168 Benchmark]: Toolchain (without parser) took 13136.98 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 639.6 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -283.4 MB). Peak memory consumption was 356.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,281 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:39:07,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.53 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 925.3 MB in the beginning and 1.2 GB in the end (delta: -245.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,282 INFO L168 Benchmark]: Boogie Preprocessor took 50.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,282 INFO L168 Benchmark]: RCFGBuilder took 769.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,283 INFO L168 Benchmark]: TraceAbstraction took 11765.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 462.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.1 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,283 INFO L168 Benchmark]: Witness Printer took 107.27 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:39:07,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.53 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 925.3 MB in the beginning and 1.2 GB in the end (delta: -245.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 769.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11765.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 462.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -191.1 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. * Witness Printer took 107.27 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1265 SDtfs, 3213 SDslu, 767 SDs, 0 SdLazy, 4537 SolverSat, 1072 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 955 GetRequests, 899 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3028occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.996782007114114 AbsIntWeakeningRatio, 0.23225806451612904 AbsIntAvgWeakeningVarsNumRemoved, 26.148387096774194 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 94 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 174 NumberOfFragments, 587 HoareAnnotationTreeSize, 105 FomulaSimplifications, 2048 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1361 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1397 NumberOfCodeBlocks, 1397 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1681 ConstructedInterpolants, 0 QuantifiedInterpolants, 587214 SizeOfPredicates, 4 NumberOfNonLiveVariables, 805 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 412/458 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...