./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_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_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/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 b953cc2449a7f939fba62b70833772464a0d90fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:48:52,524 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:48:52,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:48:52,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:48:52,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:48:52,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:48:52,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:48:52,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:48:52,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:48:52,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:48:52,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:48:52,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:48:52,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:48:52,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:48:52,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:48:52,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:48:52,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:48:52,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:48:52,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:48:52,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:48:52,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:48:52,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:48:52,547 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:48:52,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:48:52,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:48:52,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:48:52,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:48:52,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:48:52,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:48:52,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:48:52,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:48:52,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:48:52,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:48:52,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:48:52,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:48:52,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:48:52,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:48:52,563 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:48:52,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:48:52,564 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:48:52,564 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:48:52,565 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:48:52,565 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:48:52,566 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:48:52,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:48:52,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:48:52,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:48:52,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:48:52,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:48:52,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:48:52,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:48:52,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:48:52,569 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_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2018-11-18 16:48:52,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:48:52,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:48:52,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:48:52,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:48:52,603 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:48:52,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 16:48:52,644 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/data/6246e6930/bf1299de0f5d4a8583d10b1bc5acb4e6/FLAGe85f1f04d [2018-11-18 16:48:53,035 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:48:53,035 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 16:48:53,044 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/data/6246e6930/bf1299de0f5d4a8583d10b1bc5acb4e6/FLAGe85f1f04d [2018-11-18 16:48:53,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/data/6246e6930/bf1299de0f5d4a8583d10b1bc5acb4e6 [2018-11-18 16:48:53,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:48:53,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:48:53,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:48:53,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:48:53,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:48:53,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351a929e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53, skipping insertion in model container [2018-11-18 16:48:53,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:48:53,451 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:48:53,705 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:48:53,709 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:48:53,773 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:48:53,785 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:48:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53 WrapperNode [2018-11-18 16:48:53,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:48:53,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:48:53,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:48:53,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:48:53,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:48:53,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:48:53,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:48:53,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:48:53,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... [2018-11-18 16:48:53,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:48:53,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:48:53,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:48:53,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:48:53,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:48:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:48:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:48:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:48:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:48:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:48:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:48:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:48:54,772 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:48:54,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:48:54 BoogieIcfgContainer [2018-11-18 16:48:54,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:48:54,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:48:54,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:48:54,775 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:48:54,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:48:53" (1/3) ... [2018-11-18 16:48:54,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41952175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:48:54, skipping insertion in model container [2018-11-18 16:48:54,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:48:53" (2/3) ... [2018-11-18 16:48:54,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41952175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:48:54, skipping insertion in model container [2018-11-18 16:48:54,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:48:54" (3/3) ... [2018-11-18 16:48:54,778 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 16:48:54,784 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:48:54,789 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:48:54,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:48:54,819 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:48:54,819 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:48:54,819 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:48:54,820 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:48:54,820 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:48:54,820 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:48:54,820 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:48:54,820 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:48:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 16:48:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 16:48:54,844 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:48:54,845 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, 1, 1, 1] [2018-11-18 16:48:54,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:48:54,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:48:54,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1672281121, now seen corresponding path program 1 times [2018-11-18 16:48:54,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:48:54,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:54,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:48:54,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:54,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:48:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:48:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:48:55,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:48:55,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:48:55,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:48:55,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:48:55,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:48:55,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:48:55,219 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 16:48:56,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:48:56,027 INFO L93 Difference]: Finished difference Result 774 states and 1357 transitions. [2018-11-18 16:48:56,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:48:56,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-11-18 16:48:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:48:56,042 INFO L225 Difference]: With dead ends: 774 [2018-11-18 16:48:56,042 INFO L226 Difference]: Without dead ends: 531 [2018-11-18 16:48:56,046 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:48:56,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-18 16:48:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-11-18 16:48:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-18 16:48:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 921 transitions. [2018-11-18 16:48:56,102 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 921 transitions. Word has length 111 [2018-11-18 16:48:56,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:48:56,103 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 921 transitions. [2018-11-18 16:48:56,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:48:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 921 transitions. [2018-11-18 16:48:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 16:48:56,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:48:56,109 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:48:56,109 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:48:56,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:48:56,110 INFO L82 PathProgramCache]: Analyzing trace with hash -512583288, now seen corresponding path program 1 times [2018-11-18 16:48:56,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:48:56,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:56,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:48:56,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:56,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:48:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:48:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:48:56,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:48:56,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:48:56,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:48:56,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:48:56,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:48:56,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:48:56,193 INFO L87 Difference]: Start difference. First operand 529 states and 921 transitions. Second operand 6 states. [2018-11-18 16:48:56,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:48:56,813 INFO L93 Difference]: Finished difference Result 1701 states and 3117 transitions. [2018-11-18 16:48:56,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:48:56,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-18 16:48:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:48:56,824 INFO L225 Difference]: With dead ends: 1701 [2018-11-18 16:48:56,824 INFO L226 Difference]: Without dead ends: 1178 [2018-11-18 16:48:56,828 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:48:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2018-11-18 16:48:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1154. [2018-11-18 16:48:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-11-18 16:48:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1912 transitions. [2018-11-18 16:48:56,869 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1912 transitions. Word has length 132 [2018-11-18 16:48:56,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:48:56,869 INFO L480 AbstractCegarLoop]: Abstraction has 1154 states and 1912 transitions. [2018-11-18 16:48:56,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:48:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1912 transitions. [2018-11-18 16:48:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 16:48:56,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:48:56,874 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:48:56,874 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:48:56,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:48:56,874 INFO L82 PathProgramCache]: Analyzing trace with hash 270471924, now seen corresponding path program 1 times [2018-11-18 16:48:56,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:48:56,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:56,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:48:56,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:56,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:48:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:48:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:48:56,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:48:56,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:48:56,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:48:56,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:48:56,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:48:56,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:48:56,976 INFO L87 Difference]: Start difference. First operand 1154 states and 1912 transitions. Second operand 3 states. [2018-11-18 16:48:57,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:48:57,457 INFO L93 Difference]: Finished difference Result 3292 states and 5647 transitions. [2018-11-18 16:48:57,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:48:57,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-18 16:48:57,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:48:57,467 INFO L225 Difference]: With dead ends: 3292 [2018-11-18 16:48:57,467 INFO L226 Difference]: Without dead ends: 2144 [2018-11-18 16:48:57,471 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 16:48:57,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2018-11-18 16:48:57,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2140. [2018-11-18 16:48:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2018-11-18 16:48:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3397 transitions. [2018-11-18 16:48:57,513 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3397 transitions. Word has length 133 [2018-11-18 16:48:57,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:48:57,514 INFO L480 AbstractCegarLoop]: Abstraction has 2140 states and 3397 transitions. [2018-11-18 16:48:57,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:48:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3397 transitions. [2018-11-18 16:48:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 16:48:57,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:48:57,519 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 16:48:57,519 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:48:57,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:48:57,520 INFO L82 PathProgramCache]: Analyzing trace with hash -2050743857, now seen corresponding path program 1 times [2018-11-18 16:48:57,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:48:57,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:57,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:48:57,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:48:57,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:48:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:48:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:48:57,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:48:57,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:48:57,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-18 16:48:57,626 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:48:57,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:48:57,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:48:57,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:48:57,956 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 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 16:48:57,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:48:57,969 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:48:58,232 INFO L227 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 80.81% of their original sizes. [2018-11-18 16:48:58,233 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:48:58,278 INFO L415 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-11-18 16:48:58,279 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:48:58,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:48:58,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-18 16:48:58,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:48:58,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:48:58,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:48:58,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:48:58,281 INFO L87 Difference]: Start difference. First operand 2140 states and 3397 transitions. Second operand 7 states. [2018-11-18 16:49:01,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:01,285 INFO L93 Difference]: Finished difference Result 4424 states and 7004 transitions. [2018-11-18 16:49:01,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:49:01,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2018-11-18 16:49:01,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:49:01,292 INFO L225 Difference]: With dead ends: 4424 [2018-11-18 16:49:01,292 INFO L226 Difference]: Without dead ends: 2290 [2018-11-18 16:49:01,296 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:49:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2018-11-18 16:49:01,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2287. [2018-11-18 16:49:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2287 states. [2018-11-18 16:49:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3555 transitions. [2018-11-18 16:49:01,336 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3555 transitions. Word has length 186 [2018-11-18 16:49:01,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:49:01,336 INFO L480 AbstractCegarLoop]: Abstraction has 2287 states and 3555 transitions. [2018-11-18 16:49:01,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:49:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3555 transitions. [2018-11-18 16:49:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 16:49:01,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:49:01,341 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-18 16:49:01,342 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:49:01,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:01,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1245086832, now seen corresponding path program 1 times [2018-11-18 16:49:01,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:49:01,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:01,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:01,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:01,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:49:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 89 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:49:01,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:49:01,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:49:01,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-18 16:49:01,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:49:01,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:49:01,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:49:01,589 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:49:01,589 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Performed 2467 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2467 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 16:49:01,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:01,597 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:49:01,786 INFO L227 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-18 16:49:01,786 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:49:01,843 INFO L415 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-11-18 16:49:01,843 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:49:01,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:49:01,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-18 16:49:01,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:49:01,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 16:49:01,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 16:49:01,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:49:01,845 INFO L87 Difference]: Start difference. First operand 2287 states and 3555 transitions. Second operand 11 states. [2018-11-18 16:49:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:06,028 INFO L93 Difference]: Finished difference Result 4874 states and 7546 transitions. [2018-11-18 16:49:06,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 16:49:06,028 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2018-11-18 16:49:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:49:06,036 INFO L225 Difference]: With dead ends: 4874 [2018-11-18 16:49:06,036 INFO L226 Difference]: Without dead ends: 2593 [2018-11-18 16:49:06,041 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:49:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2018-11-18 16:49:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2589. [2018-11-18 16:49:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2018-11-18 16:49:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3908 transitions. [2018-11-18 16:49:06,088 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3908 transitions. Word has length 196 [2018-11-18 16:49:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:49:06,089 INFO L480 AbstractCegarLoop]: Abstraction has 2589 states and 3908 transitions. [2018-11-18 16:49:06,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 16:49:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3908 transitions. [2018-11-18 16:49:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 16:49:06,095 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:49:06,095 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 16:49:06,095 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:49:06,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:06,096 INFO L82 PathProgramCache]: Analyzing trace with hash -329755288, now seen corresponding path program 1 times [2018-11-18 16:49:06,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:49:06,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:06,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:06,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:06,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:49:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:49:06,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:49:06,264 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:49:06,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-18 16:49:06,265 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], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:49:06,267 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:49:06,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:49:06,380 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:49:06,380 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Performed 2537 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2537 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 16:49:06,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:06,382 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:49:06,526 INFO L227 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 82.42% of their original sizes. [2018-11-18 16:49:06,526 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:49:06,574 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-18 16:49:06,574 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:49:06,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:49:06,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 16:49:06,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:49:06,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:49:06,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:49:06,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:49:06,575 INFO L87 Difference]: Start difference. First operand 2589 states and 3908 transitions. Second operand 10 states. [2018-11-18 16:49:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:09,665 INFO L93 Difference]: Finished difference Result 5988 states and 9093 transitions. [2018-11-18 16:49:09,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 16:49:09,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2018-11-18 16:49:09,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:49:09,673 INFO L225 Difference]: With dead ends: 5988 [2018-11-18 16:49:09,673 INFO L226 Difference]: Without dead ends: 3405 [2018-11-18 16:49:09,679 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:49:09,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2018-11-18 16:49:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3251. [2018-11-18 16:49:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3251 states. [2018-11-18 16:49:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4709 transitions. [2018-11-18 16:49:09,823 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4709 transitions. Word has length 200 [2018-11-18 16:49:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:49:09,823 INFO L480 AbstractCegarLoop]: Abstraction has 3251 states and 4709 transitions. [2018-11-18 16:49:09,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:49:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4709 transitions. [2018-11-18 16:49:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 16:49:09,832 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:49:09,832 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:09,833 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:49:09,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:09,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1425450210, now seen corresponding path program 1 times [2018-11-18 16:49:09,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:49:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:09,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:09,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:49:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 116 proven. 22 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 16:49:09,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:49:09,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:49:09,915 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-18 16:49:09,916 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [182], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:49:09,919 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:49:09,919 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:49:10,184 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:49:10,184 INFO L272 AbstractInterpreter]: Visited 118 different actions 472 times. Merged at 8 different actions 33 times. Never widened. Performed 5307 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5307 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 16:49:10,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:10,186 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:49:10,351 INFO L227 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 84.56% of their original sizes. [2018-11-18 16:49:10,351 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:49:10,391 INFO L415 sIntCurrentIteration]: We unified 218 AI predicates to 218 [2018-11-18 16:49:10,391 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:49:10,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:49:10,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 16:49:10,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:49:10,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:49:10,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:49:10,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:49:10,392 INFO L87 Difference]: Start difference. First operand 3251 states and 4709 transitions. Second operand 9 states. [2018-11-18 16:49:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:12,884 INFO L93 Difference]: Finished difference Result 7917 states and 11756 transitions. [2018-11-18 16:49:12,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 16:49:12,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-11-18 16:49:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:49:12,897 INFO L225 Difference]: With dead ends: 7917 [2018-11-18 16:49:12,897 INFO L226 Difference]: Without dead ends: 4672 [2018-11-18 16:49:12,905 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:49:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4672 states. [2018-11-18 16:49:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4672 to 4488. [2018-11-18 16:49:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4488 states. [2018-11-18 16:49:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4488 states and 6135 transitions. [2018-11-18 16:49:12,993 INFO L78 Accepts]: Start accepts. Automaton has 4488 states and 6135 transitions. Word has length 219 [2018-11-18 16:49:12,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:49:12,993 INFO L480 AbstractCegarLoop]: Abstraction has 4488 states and 6135 transitions. [2018-11-18 16:49:12,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:49:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 6135 transitions. [2018-11-18 16:49:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 16:49:13,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:49:13,005 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 16:49:13,005 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:49:13,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash -728339275, now seen corresponding path program 1 times [2018-11-18 16:49:13,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:49:13,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:13,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:13,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:13,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:49:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 130 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 16:49:13,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:49:13,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:49:13,115 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-18 16:49:13,116 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [260], [263], [267], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 16:49:13,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:49:13,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:49:13,371 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:49:13,371 INFO L272 AbstractInterpreter]: Visited 119 different actions 477 times. Merged at 9 different actions 40 times. Widened at 1 different actions 1 times. Performed 5408 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5408 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 16:49:13,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:13,377 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:49:13,541 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 84.71% of their original sizes. [2018-11-18 16:49:13,542 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:49:13,605 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-18 16:49:13,605 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:49:13,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:49:13,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-18 16:49:13,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:49:13,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 16:49:13,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 16:49:13,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:49:13,606 INFO L87 Difference]: Start difference. First operand 4488 states and 6135 transitions. Second operand 11 states. [2018-11-18 16:49:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:18,191 INFO L93 Difference]: Finished difference Result 12156 states and 17111 transitions. [2018-11-18 16:49:18,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 16:49:18,191 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 237 [2018-11-18 16:49:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:49:18,191 INFO L225 Difference]: With dead ends: 12156 [2018-11-18 16:49:18,191 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:49:18,216 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=278, Invalid=1282, Unknown=0, NotChecked=0, Total=1560 [2018-11-18 16:49:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:49:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:49:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:49:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:49:18,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-11-18 16:49:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:49:18,218 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:49:18,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 16:49:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:49:18,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:49:18,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:49:18,938 WARN L180 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 94 [2018-11-18 16:49:19,009 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:49:19,009 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a25~0)| ~a25~0) [2018-11-18 16:49:19,009 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:49:19,009 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,009 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 16:49:19,010 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 16:49:19,011 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 16:49:19,012 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 16:49:19,013 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,014 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 16:49:19,015 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 16:49:19,016 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,017 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,018 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,019 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 16:49:19,020 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= 8 |old(~a17~0)|))) (let ((.cse7 (= 0 |old(~a17~0)|)) (.cse6 (not (= 0 |old(~a25~0)|))) (.cse3 (= ~a28~0 7)) (.cse0 (not (= 1 ~a21~0))) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse11 (= 0 |old(~a28~0)|)) (.cse1 (not (= 0 |old(~a11~0)|))) (.cse5 (not .cse12)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (= |old(~a25~0)| ~a25~0)) (.cse9 (= 1 |old(~a11~0)|))) (and (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse1 .cse2 (or .cse3 (= ~a28~0 10)) .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse4 .cse8 (not (= 9 |old(~a28~0)|)) .cse2 (not .cse9) (and (= ~a28~0 9) (= ~a11~0 1))) (or .cse0 .cse4 (and (= ~a17~0 8) .cse10) .cse11 .cse5 .cse2) (or .cse0 (and (not (= ~a28~0 0)) (= ~a19~0 1) (not (= ~a17~0 0))) .cse7 .cse4 .cse11 .cse2) (or (and (or .cse0 (not (= 11 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|))) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse6)) .cse4 .cse1 (or (and (= ~a28~0 11) (= ~a25~0 1)) (and (= ~a25~0 0) .cse3)) .cse5 .cse2) (or .cse0 .cse4 (= ~a11~0 0) .cse11 .cse1 .cse5 .cse2) (or .cse8 (not (= ~a28~0 ~a17~0))) (or (and (or (not (= 8 ~a28~0)) (not (= 8 ~a17~0))) .cse10) (and (= 8 |old(~a28~0)|) .cse12)) (or (and (not (= 1 ~a11~0)) .cse10) .cse9)))) [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,021 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 16:49:19,022 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 16:49:19,023 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 16:49:19,024 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:49:19,025 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 16:49:19,025 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 16:49:19,025 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 1 ~a11~0)) (not (= 7 |old(~a28~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (not (= 8 ~a28~0)) (not (= ~a28~0 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 16:49:19,025 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 16:49:19,026 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 16:49:19,026 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 1 ~a11~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (not (= main_~input~0 0)) (= ~a19~0 1)) (not (= 8 ~a28~0)) (not (= ~a28~0 ~a17~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 16:49:19,026 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 16:49:19,026 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 16:49:19,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:49:19 BoogieIcfgContainer [2018-11-18 16:49:19,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:49:19,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:49:19,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:49:19,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:49:19,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:48:54" (3/4) ... [2018-11-18 16:49:19,035 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:49:19,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:49:19,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:49:19,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:49:19,046 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:49:19,047 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:49:19,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(1 == a11)) || !(7 == \old(a28))) || a19 == 1) || !(0 == \old(a11))) || !(8 == a28)) || !(a28 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 16:49:19,125 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_13b5df5b-5f02-44b4-8775-aed7d7a29cbe/bin-2019/utaipan/witness.graphml [2018-11-18 16:49:19,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:49:19,126 INFO L168 Benchmark]: Toolchain (without parser) took 25718.47 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 951.8 MB in the beginning and 959.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,126 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:49:19,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 916.7 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 916.7 MB in the beginning and 1.2 GB in the end (delta: -242.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,127 INFO L168 Benchmark]: Boogie Preprocessor took 50.26 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 16:49:19,127 INFO L168 Benchmark]: RCFGBuilder took 850.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,128 INFO L168 Benchmark]: TraceAbstraction took 24259.08 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 57.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,128 INFO L168 Benchmark]: Witness Printer took 93.24 ms. Allocated memory is still 2.6 GB. Free memory was 991.6 MB in the beginning and 959.8 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:19,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 916.7 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 916.7 MB in the beginning and 1.2 GB in the end (delta: -242.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.26 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 850.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24259.08 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 57.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 93.24 ms. Allocated memory is still 2.6 GB. Free memory was 991.6 MB in the beginning and 959.8 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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) || !(1 == a11)) || !(7 == \old(a28))) || a19 == 1) || !(0 == \old(a11))) || !(8 == a28)) || !(a28 == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 24.2s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 19.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1554 SDtfs, 5530 SDslu, 2682 SDs, 0 SdLazy, 9402 SolverSat, 1734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1114 GetRequests, 1004 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4488occurred 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, 5 AbstIntIterations, 5 AbstIntStrong, 0.9964940956797343 AbsIntWeakeningRatio, 0.20619554695062922 AbsIntAvgWeakeningVarsNumRemoved, 26.22652468538238 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 375 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 240 NumberOfFragments, 400 HoareAnnotationTreeSize, 139 FomulaSimplifications, 6949 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2228 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1414 NumberOfCodeBlocks, 1414 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 526699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 715/807 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...