./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:03:21,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:03:21,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:03:21,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:03:21,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:03:21,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:03:21,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:03:21,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:03:21,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:03:21,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:03:21,191 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:03:21,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:03:21,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:03:21,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:03:21,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:03:21,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:03:21,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:03:21,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:03:21,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:03:21,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:03:21,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:03:21,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:03:21,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:03:21,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:03:21,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:03:21,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:03:21,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:03:21,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:03:21,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:03:21,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:03:21,200 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:03:21,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:03:21,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:03:21,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:03:21,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:03:21,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:03:21,202 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 03:03:21,209 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:03:21,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:03:21,209 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:03:21,210 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:03:21,210 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:03:21,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:03:21,211 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:03:21,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:03:21,212 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:03:21,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:03:21,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:03:21,213 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 03:03:21,213 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_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-12-09 03:03:21,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:03:21,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:03:21,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:03:21,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:03:21,243 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:03:21,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-09 03:03:21,289 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/data/625f7e840/60d8922d1b884fa6a6281dddb9ea7e34/FLAGd2e92f214 [2018-12-09 03:03:21,618 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:03:21,618 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-09 03:03:21,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/data/625f7e840/60d8922d1b884fa6a6281dddb9ea7e34/FLAGd2e92f214 [2018-12-09 03:03:22,014 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/data/625f7e840/60d8922d1b884fa6a6281dddb9ea7e34 [2018-12-09 03:03:22,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:03:22,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:03:22,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:03:22,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:03:22,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:03:22,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b507092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22, skipping insertion in model container [2018-12-09 03:03:22,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:03:22,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:03:22,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:03:22,254 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:03:22,301 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:03:22,353 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:03:22,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22 WrapperNode [2018-12-09 03:03:22,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:03:22,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:03:22,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:03:22,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:03:22,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:03:22,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:03:22,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:03:22,380 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:03:22,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... [2018-12-09 03:03:22,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:03:22,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:03:22,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:03:22,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:03:22,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:03:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:03:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:03:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 03:03:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 03:03:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:03:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:03:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:03:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:03:22,973 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:03:22,973 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 03:03:22,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:03:22 BoogieIcfgContainer [2018-12-09 03:03:22,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:03:22,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:03:22,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:03:22,977 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:03:22,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:03:22" (1/3) ... [2018-12-09 03:03:22,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56be9718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:03:22, skipping insertion in model container [2018-12-09 03:03:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:03:22" (2/3) ... [2018-12-09 03:03:22,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56be9718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:03:22, skipping insertion in model container [2018-12-09 03:03:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:03:22" (3/3) ... [2018-12-09 03:03:22,979 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-12-09 03:03:22,988 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:03:22,994 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:03:23,005 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:03:23,024 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:03:23,025 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:03:23,025 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:03:23,025 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:03:23,025 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:03:23,025 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:03:23,025 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:03:23,025 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:03:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 03:03:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 03:03:23,043 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:23,043 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:23,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:23,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2018-12-09 03:03:23,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:23,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:23,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:23,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:23,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:23,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:03:23,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 03:03:23,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:23,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 03:03:23,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 03:03:23,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:03:23,304 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 03:03:23,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:23,753 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 03:03:23,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 03:03:23,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-12-09 03:03:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:23,762 INFO L225 Difference]: With dead ends: 547 [2018-12-09 03:03:23,762 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 03:03:23,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:03:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 03:03:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 03:03:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 03:03:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-09 03:03:23,798 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 116 [2018-12-09 03:03:23,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:23,799 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-09 03:03:23,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 03:03:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-09 03:03:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 03:03:23,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:23,801 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:23,801 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:23,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash -363877541, now seen corresponding path program 1 times [2018-12-09 03:03:23,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:23,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:23,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:23,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:23,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:23,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:03:23,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 03:03:23,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:23,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 03:03:23,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 03:03:23,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 03:03:23,868 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-09 03:03:24,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:24,228 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-09 03:03:24,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:03:24,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-12-09 03:03:24,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:24,232 INFO L225 Difference]: With dead ends: 840 [2018-12-09 03:03:24,233 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 03:03:24,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 03:03:24,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 03:03:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-09 03:03:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-09 03:03:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 787 transitions. [2018-12-09 03:03:24,259 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 787 transitions. Word has length 125 [2018-12-09 03:03:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:24,259 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 787 transitions. [2018-12-09 03:03:24,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 03:03:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 787 transitions. [2018-12-09 03:03:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 03:03:24,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:24,261 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:24,262 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:24,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:24,262 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times [2018-12-09 03:03:24,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:24,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:24,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:24,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:24,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:24,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:24,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:24,325 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-09 03:03:24,327 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:24,353 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:24,353 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:24,740 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:03:24,741 INFO L272 AbstractInterpreter]: Visited 120 different actions 233 times. Merged at 3 different actions 3 times. Never widened. Performed 3217 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 03:03:24,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:24,749 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:03:24,987 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 81.87% of their original sizes. [2018-12-09 03:03:24,987 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:03:25,041 INFO L418 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-12-09 03:03:25,041 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:03:25,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:03:25,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 03:03:25,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:25,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:03:25,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:03:25,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:03:25,043 INFO L87 Difference]: Start difference. First operand 558 states and 787 transitions. Second operand 10 states. [2018-12-09 03:03:27,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:27,867 INFO L93 Difference]: Finished difference Result 1901 states and 2750 transitions. [2018-12-09 03:03:27,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 03:03:27,867 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2018-12-09 03:03:27,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:27,870 INFO L225 Difference]: With dead ends: 1901 [2018-12-09 03:03:27,870 INFO L226 Difference]: Without dead ends: 1349 [2018-12-09 03:03:27,871 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 03:03:27,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-09 03:03:27,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-09 03:03:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-09 03:03:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 938 transitions. [2018-12-09 03:03:27,894 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 938 transitions. Word has length 150 [2018-12-09 03:03:27,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:27,894 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 938 transitions. [2018-12-09 03:03:27,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:03:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 938 transitions. [2018-12-09 03:03:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 03:03:27,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:27,896 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:27,896 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:27,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:27,896 INFO L82 PathProgramCache]: Analyzing trace with hash 72858025, now seen corresponding path program 1 times [2018-12-09 03:03:27,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:27,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:27,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:27,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:27,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 03:03:27,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:27,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:27,976 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-09 03:03:27,977 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:27,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:27,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:28,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:03:28,088 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3112 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 03:03:28,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:28,093 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:03:28,243 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.83% of their original sizes. [2018-12-09 03:03:28,243 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:03:28,301 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-09 03:03:28,301 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:03:28,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:03:28,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 03:03:28,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:28,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:03:28,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:03:28,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:03:28,302 INFO L87 Difference]: Start difference. First operand 697 states and 938 transitions. Second operand 10 states. [2018-12-09 03:03:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:29,967 INFO L93 Difference]: Finished difference Result 1662 states and 2203 transitions. [2018-12-09 03:03:29,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 03:03:29,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-12-09 03:03:29,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:29,970 INFO L225 Difference]: With dead ends: 1662 [2018-12-09 03:03:29,970 INFO L226 Difference]: Without dead ends: 971 [2018-12-09 03:03:29,970 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 03:03:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-09 03:03:29,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-09 03:03:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-09 03:03:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1235 transitions. [2018-12-09 03:03:29,987 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1235 transitions. Word has length 162 [2018-12-09 03:03:29,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:29,987 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1235 transitions. [2018-12-09 03:03:29,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:03:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1235 transitions. [2018-12-09 03:03:29,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 03:03:29,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:29,990 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:29,990 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:29,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:29,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2049914302, now seen corresponding path program 1 times [2018-12-09 03:03:29,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:29,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:29,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:29,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:29,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 03:03:30,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:30,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:30,045 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-09 03:03:30,045 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:30,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:30,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:30,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:03:30,212 INFO L272 AbstractInterpreter]: Visited 122 different actions 364 times. Merged at 6 different actions 18 times. Never widened. Performed 4986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 03:03:30,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:30,214 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:03:30,363 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 83.31% of their original sizes. [2018-12-09 03:03:30,364 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:03:30,408 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-09 03:03:30,408 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:03:30,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:03:30,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-09 03:03:30,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:30,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:03:30,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:03:30,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:03:30,409 INFO L87 Difference]: Start difference. First operand 969 states and 1235 transitions. Second operand 10 states. [2018-12-09 03:03:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:32,935 INFO L93 Difference]: Finished difference Result 2235 states and 2926 transitions. [2018-12-09 03:03:32,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 03:03:32,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-09 03:03:32,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:32,938 INFO L225 Difference]: With dead ends: 2235 [2018-12-09 03:03:32,939 INFO L226 Difference]: Without dead ends: 1544 [2018-12-09 03:03:32,940 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 03:03:32,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2018-12-09 03:03:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1388. [2018-12-09 03:03:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1388 states. [2018-12-09 03:03:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1732 transitions. [2018-12-09 03:03:32,973 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1732 transitions. Word has length 173 [2018-12-09 03:03:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:32,973 INFO L480 AbstractCegarLoop]: Abstraction has 1388 states and 1732 transitions. [2018-12-09 03:03:32,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:03:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1732 transitions. [2018-12-09 03:03:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-09 03:03:32,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:32,976 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:32,976 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:32,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:32,976 INFO L82 PathProgramCache]: Analyzing trace with hash -949215957, now seen corresponding path program 1 times [2018-12-09 03:03:32,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:32,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:32,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:32,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:32,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 03:03:33,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:33,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:33,055 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-12-09 03:03:33,056 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:33,058 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:33,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:33,151 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:03:33,152 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 03:03:33,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:33,153 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:03:33,274 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 81.79% of their original sizes. [2018-12-09 03:03:33,274 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:03:33,326 INFO L418 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-12-09 03:03:33,326 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:03:33,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:03:33,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 03:03:33,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:33,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:03:33,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:03:33,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:03:33,327 INFO L87 Difference]: Start difference. First operand 1388 states and 1732 transitions. Second operand 10 states. [2018-12-09 03:03:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:35,912 INFO L93 Difference]: Finished difference Result 2772 states and 3550 transitions. [2018-12-09 03:03:35,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 03:03:35,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-12-09 03:03:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:35,915 INFO L225 Difference]: With dead ends: 2772 [2018-12-09 03:03:35,916 INFO L226 Difference]: Without dead ends: 1662 [2018-12-09 03:03:35,917 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 03:03:35,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2018-12-09 03:03:35,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1660. [2018-12-09 03:03:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-12-09 03:03:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2046 transitions. [2018-12-09 03:03:35,937 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2046 transitions. Word has length 195 [2018-12-09 03:03:35,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:35,937 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2046 transitions. [2018-12-09 03:03:35,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:03:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2046 transitions. [2018-12-09 03:03:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-09 03:03:35,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:35,939 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:35,940 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:35,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:35,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1061646224, now seen corresponding path program 1 times [2018-12-09 03:03:35,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:35,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:35,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:35,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:35,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 03:03:36,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:36,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:36,017 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-12-09 03:03:36,017 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:36,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:36,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:36,255 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:03:36,255 INFO L272 AbstractInterpreter]: Visited 123 different actions 492 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6957 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 03:03:36,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:36,257 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:03:36,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:36,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 03:03:36,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:36,264 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:03:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:36,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:03:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 03:03:36,377 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:03:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 03:03:36,491 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 03:03:36,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 03:03:36,491 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 03:03:36,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 03:03:36,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 03:03:36,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 03:03:36,492 INFO L87 Difference]: Start difference. First operand 1660 states and 2046 transitions. Second operand 11 states. [2018-12-09 03:03:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:37,657 INFO L93 Difference]: Finished difference Result 4728 states and 6227 transitions. [2018-12-09 03:03:37,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 03:03:37,657 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2018-12-09 03:03:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:37,662 INFO L225 Difference]: With dead ends: 4728 [2018-12-09 03:03:37,663 INFO L226 Difference]: Without dead ends: 3481 [2018-12-09 03:03:37,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-09 03:03:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2018-12-09 03:03:37,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3070. [2018-12-09 03:03:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2018-12-09 03:03:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 3823 transitions. [2018-12-09 03:03:37,706 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 3823 transitions. Word has length 203 [2018-12-09 03:03:37,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:37,707 INFO L480 AbstractCegarLoop]: Abstraction has 3070 states and 3823 transitions. [2018-12-09 03:03:37,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 03:03:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3823 transitions. [2018-12-09 03:03:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 03:03:37,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:37,711 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:37,712 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:37,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:37,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1638505872, now seen corresponding path program 1 times [2018-12-09 03:03:37,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:37,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:37,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:37,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:37,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 03:03:37,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:37,834 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:37,834 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-12-09 03:03:37,834 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:37,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:37,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:37,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 03:03:37,999 INFO L272 AbstractInterpreter]: Visited 122 different actions 358 times. Merged at 6 different actions 12 times. Never widened. Performed 4757 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4757 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 03:03:38,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:38,000 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 03:03:38,139 INFO L227 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 83.41% of their original sizes. [2018-12-09 03:03:38,139 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 03:03:38,180 INFO L418 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-12-09 03:03:38,181 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 03:03:38,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 03:03:38,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 03:03:38,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:03:38,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 03:03:38,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 03:03:38,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:03:38,181 INFO L87 Difference]: Start difference. First operand 3070 states and 3823 transitions. Second operand 10 states. [2018-12-09 03:03:40,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:40,230 INFO L93 Difference]: Finished difference Result 6284 states and 7892 transitions. [2018-12-09 03:03:40,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 03:03:40,230 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2018-12-09 03:03:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:40,238 INFO L225 Difference]: With dead ends: 6284 [2018-12-09 03:03:40,238 INFO L226 Difference]: Without dead ends: 3764 [2018-12-09 03:03:40,241 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 03:03:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2018-12-09 03:03:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3624. [2018-12-09 03:03:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3624 states. [2018-12-09 03:03:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 4468 transitions. [2018-12-09 03:03:40,289 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 4468 transitions. Word has length 212 [2018-12-09 03:03:40,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:40,289 INFO L480 AbstractCegarLoop]: Abstraction has 3624 states and 4468 transitions. [2018-12-09 03:03:40,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 03:03:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 4468 transitions. [2018-12-09 03:03:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 03:03:40,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:40,293 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:40,293 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:40,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash -7324983, now seen corresponding path program 1 times [2018-12-09 03:03:40,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:40,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:40,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:40,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:40,294 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 20 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-09 03:03:40,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:40,336 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:40,336 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 03:03:40,336 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:40,337 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:40,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:40,669 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:03:40,669 INFO L272 AbstractInterpreter]: Visited 124 different actions 621 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 8927 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8927 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 03:03:40,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:40,671 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:03:40,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:40,671 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 03:03:40,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:40,678 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:03:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:40,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:03:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-09 03:03:40,780 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:03:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 20 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-09 03:03:40,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 03:03:40,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 03:03:40,855 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 03:03:40,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 03:03:40,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 03:03:40,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 03:03:40,856 INFO L87 Difference]: Start difference. First operand 3624 states and 4468 transitions. Second operand 8 states. [2018-12-09 03:03:42,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:42,546 INFO L93 Difference]: Finished difference Result 10882 states and 14082 transitions. [2018-12-09 03:03:42,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 03:03:42,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-09 03:03:42,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:42,562 INFO L225 Difference]: With dead ends: 10882 [2018-12-09 03:03:42,562 INFO L226 Difference]: Without dead ends: 7788 [2018-12-09 03:03:42,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-09 03:03:42,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7788 states. [2018-12-09 03:03:42,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7788 to 7333. [2018-12-09 03:03:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2018-12-09 03:03:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 8469 transitions. [2018-12-09 03:03:42,663 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 8469 transitions. Word has length 223 [2018-12-09 03:03:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:42,663 INFO L480 AbstractCegarLoop]: Abstraction has 7333 states and 8469 transitions. [2018-12-09 03:03:42,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 03:03:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 8469 transitions. [2018-12-09 03:03:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 03:03:42,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:03:42,673 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:03:42,673 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:03:42,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:42,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1244426434, now seen corresponding path program 1 times [2018-12-09 03:03:42,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:03:42,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:42,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:42,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:03:42,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:03:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 03:03:42,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:42,799 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 03:03:42,799 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-12-09 03:03:42,799 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 03:03:42,801 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 03:03:42,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 03:03:43,079 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 03:03:43,079 INFO L272 AbstractInterpreter]: Visited 123 different actions 484 times. Merged at 8 different actions 25 times. Never widened. Performed 6999 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6999 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 03:03:43,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:03:43,080 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 03:03:43,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 03:03:43,080 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 03:03:43,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:03:43,086 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 03:03:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:43,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:03:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 03:03:43,167 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 03:03:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 03:03:43,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 03:03:43,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-09 03:03:43,240 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 03:03:43,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 03:03:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 03:03:43,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-09 03:03:43,241 INFO L87 Difference]: Start difference. First operand 7333 states and 8469 transitions. Second operand 11 states. [2018-12-09 03:03:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:03:44,661 INFO L93 Difference]: Finished difference Result 15777 states and 19474 transitions. [2018-12-09 03:03:44,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 03:03:44,661 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2018-12-09 03:03:44,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:03:44,661 INFO L225 Difference]: With dead ends: 15777 [2018-12-09 03:03:44,661 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 03:03:44,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 471 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1256, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 03:03:44,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 03:03:44,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 03:03:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 03:03:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 03:03:44,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2018-12-09 03:03:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:03:44,679 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 03:03:44,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 03:03:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 03:03:44,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:03:44,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 03:03:44,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:44,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,055 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 134 [2018-12-09 03:03:45,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 03:03:45,242 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 147 [2018-12-09 03:03:46,838 WARN L180 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 287 DAG size of output: 107 [2018-12-09 03:03:47,124 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 67 [2018-12-09 03:03:47,447 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (<= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|)) [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 03:03:47,449 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,450 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,451 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,452 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 03:03:47,453 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,454 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 03:03:47,455 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,456 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 03:03:47,457 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= 1 |old(~a20~0)|))) (let ((.cse21 (= 1 |old(~a7~0)|)) (.cse26 (= ~a17~0 1)) (.cse16 (= ~a21~0 1)) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse12 (not .cse4)) (.cse31 (= 0 |old(~a16~0)|)) (.cse15 (not (= 8 ~a12~0))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse20 (not (= 1 |old(~a17~0)|))) (.cse29 (<= ~a21~0 |old(~a21~0)|)) (.cse30 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= |old(~a8~0)| ~a8~0)) (.cse3 (= |old(~a20~0)| ~a20~0))) (let ((.cse24 (and .cse1 .cse2 .cse3)) (.cse8 (< 0 |old(~a21~0)|)) (.cse25 (and .cse1 .cse2 .cse3 .cse29 .cse30)) (.cse18 (not (= 4 |old(~a16~0)|))) (.cse6 (< 13 |old(~a8~0)|)) (.cse28 (or .cse11 .cse12 .cse31 .cse15 .cse9 .cse20)) (.cse17 (= ~a17~0 0)) (.cse14 (not (= 0 |old(~a17~0)|))) (.cse27 (not (= 5 |old(~a16~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse10 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse22 (and .cse26 .cse16)) (.cse23 (= 0 |old(~a8~0)|)) (.cse5 (and (= 1 ~a7~0) .cse2 .cse3 .cse29 .cse30)) (.cse7 (not .cse21)) (.cse19 (= 13 |old(~a8~0)|))) (and (or .cse0 (= |old(~a7~0)| 1) (and .cse1 .cse2 .cse3 (not (= ~a16~0 6))) .cse4) (or .cse5 .cse6 (< |old(~a20~0)| 1) .cse7 .cse8) (or .cse9 (or (not .cse0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17)) (or .cse11 .cse18 .cse19 .cse15 .cse9 .cse20 .cse21 .cse22 .cse23) (or .cse21 .cse24 .cse18) (or .cse25 .cse8 .cse0) (or .cse10 .cse26 .cse13 .cse27 .cse28) (or (and .cse29 .cse30 .cse24) .cse12 .cse8) (or (or .cse11 .cse13 .cse27) .cse15 .cse9 .cse4 .cse20 .cse21 .cse22) (or .cse21 .cse25 .cse19) (or .cse21 (and .cse29 .cse30) .cse18) (or .cse6 (or .cse28 .cse23) (and .cse1 (and (not (= ~a16~0 0)) .cse2 .cse26 (= ~a20~0 1) .cse16))) (or .cse0 .cse19 .cse5 .cse7) (or .cse9 (or (and .cse17 .cse16) .cse22) (or .cse10 .cse11 .cse13 .cse14 .cse27 .cse15)) (or .cse0 .cse10 .cse11 .cse15 .cse9 .cse12 .cse13 .cse16 .cse31) (or .cse11 .cse21 .cse22 .cse19 .cse31 .cse15 .cse9 .cse23 (< 0 |old(~a20~0)|) .cse20) (or .cse5 .cse7 (or .cse12 .cse19)))))) [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 03:03:47,458 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 03:03:47,459 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 03:03:47,460 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 03:03:47,461 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:03:47,461 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 03:03:47,461 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 03:03:47,462 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse1 (not (= ~a8~0 13))) (.cse3 (= ~a20~0 1)) (.cse2 (<= ~a21~0 0)) (.cse5 (= |old(~a20~0)| ~a20~0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1) (not (= 5 |old(~a16~0)|)) (and .cse0 (= ~a16~0 4)) (and (<= ~a8~0 13) (= 1 ~a7~0) .cse2 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) (not .cse3) .cse4) (and .cse2 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse5 .cse1) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse3) (and .cse2 .cse5))) [2018-12-09 03:03:47,462 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 03:03:47,462 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 03:03:47,462 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse3 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 13))) (.cse2 (<= ~a21~0 0)) (.cse5 (= |old(~a20~0)| ~a20~0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1) (not (= 5 |old(~a16~0)|)) (and .cse0 (= ~a16~0 4)) (and (<= ~a8~0 13) (= 1 ~a7~0) .cse2 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) (not .cse3) .cse4) (and .cse2 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse5 .cse1) (and .cse2 .cse5))) [2018-12-09 03:03:47,462 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 03:03:47,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:03:47 BoogieIcfgContainer [2018-12-09 03:03:47,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:03:47,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:03:47,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:03:47,472 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:03:47,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:03:22" (3/4) ... [2018-12-09 03:03:47,475 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:03:47,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 03:03:47,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 03:03:47,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 03:03:47,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 03:03:47,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 03:03:47,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || (!(a7 == 1) && !(a8 == 13))) || !(5 == \old(a16))) || (!(a7 == 1) && a16 == 4)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 <= a20)) || ((a7 == \old(a7) && !(a20 == 1)) && !(a16 == 6))) || (a21 <= 0 && !(a16 == 6))) || (!(a16 == 6) && !(a8 == 13))) || !(0 == \old(a7))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (\old(a20) == a20 && !(a8 == 13))) || (a21 <= 0 && \old(a20) == a20) [2018-12-09 03:03:47,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c78e9c3-f200-4ee3-ad39-a44d64dcccc6/bin-2019/utaipan/witness.graphml [2018-12-09 03:03:47,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:03:47,550 INFO L168 Benchmark]: Toolchain (without parser) took 25534.04 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 941.6 MB in the beginning and 1.8 GB in the end (delta: -817.5 MB). Peak memory consumption was 652.6 MB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,551 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:03:47,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,551 INFO L168 Benchmark]: Boogie Preprocessor took 44.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,552 INFO L168 Benchmark]: RCFGBuilder took 549.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,552 INFO L168 Benchmark]: TraceAbstraction took 24496.97 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 996.0 MB in the beginning and 1.8 GB in the end (delta: -763.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 03:03:47,552 INFO L168 Benchmark]: Witness Printer took 78.16 ms. Allocated memory is still 2.5 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-09 03:03:47,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 549.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24496.97 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 996.0 MB in the beginning and 1.8 GB in the end (delta: -763.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 78.16 ms. Allocated memory is still 2.5 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || (!(a7 == 1) && !(a8 == 13))) || !(5 == \old(a16))) || (!(a7 == 1) && a16 == 4)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 <= a20)) || ((a7 == \old(a7) && !(a20 == 1)) && !(a16 == 6))) || (a21 <= 0 && !(a16 == 6))) || (!(a16 == 6) && !(a8 == 13))) || !(0 == \old(a7))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (\old(a20) == a20 && !(a8 == 13))) || (a21 <= 0 && \old(a20) == a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 24.4s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 16.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 580 SDtfs, 8767 SDslu, 901 SDs, 0 SdLazy, 12288 SolverSat, 2052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2373 GetRequests, 2189 SyntacticMatches, 8 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7333occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 8 AbstIntIterations, 5 AbstIntStrong, 0.9965996330541701 AbsIntWeakeningRatio, 0.237880496054115 AbsIntAvgWeakeningVarsNumRemoved, 27.92108229988726 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1828 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 293 PreInvPairs, 629 NumberOfFragments, 867 HoareAnnotationTreeSize, 293 FomulaSimplifications, 68169 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16280 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2441 NumberOfCodeBlocks, 2441 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3079 ConstructedInterpolants, 0 QuantifiedInterpolants, 1135458 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1859 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2261 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...