./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/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 c896360830ff8b0574c029e3cde358b7dc7cde03 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:50:15,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:50:15,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:50:15,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:50:15,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:50:15,190 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:50:15,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:50:15,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:50:15,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:50:15,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:50:15,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:50:15,194 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:50:15,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:50:15,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:50:15,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:50:15,197 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:50:15,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:50:15,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:50:15,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:50:15,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:50:15,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:50:15,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:50:15,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:50:15,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:50:15,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:50:15,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:50:15,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:50:15,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:50:15,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:50:15,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:50:15,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:50:15,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:50:15,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:50:15,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:50:15,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:50:15,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:50:15,210 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:50:15,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:50:15,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:50:15,221 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:50:15,221 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:50:15,221 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:50:15,221 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:50:15,221 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:50:15,222 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:50:15,223 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:50:15,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:50:15,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:50:15,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:50:15,225 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:50:15,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:50:15,226 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:50:15,226 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_ae8ca8b0-880a-437d-b87e-028387949846/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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-11-18 14:50:15,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:50:15,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:50:15,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:50:15,263 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:50:15,263 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:50:15,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-18 14:50:15,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/data/22f6d9a50/b442202d7cc14bbea34bbb8de7e06815/FLAGb714ee05a [2018-11-18 14:50:15,699 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:50:15,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-18 14:50:15,720 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/data/22f6d9a50/b442202d7cc14bbea34bbb8de7e06815/FLAGb714ee05a [2018-11-18 14:50:16,069 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/data/22f6d9a50/b442202d7cc14bbea34bbb8de7e06815 [2018-11-18 14:50:16,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:50:16,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:50:16,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:50:16,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:50:16,076 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:50:16,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1fc64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16, skipping insertion in model container [2018-11-18 14:50:16,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:50:16,121 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:50:16,371 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:50:16,374 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:50:16,439 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:50:16,451 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:50:16,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16 WrapperNode [2018-11-18 14:50:16,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:50:16,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:50:16,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:50:16,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:50:16,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:50:16,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:50:16,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:50:16,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:50:16,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... [2018-11-18 14:50:16,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:50:16,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:50:16,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:50:16,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:50:16,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:50:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:50:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:50:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:50:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:50:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:50:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:50:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:50:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:50:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:50:17,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:50:17,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:17 BoogieIcfgContainer [2018-11-18 14:50:17,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:50:17,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:50:17,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:50:17,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:50:17,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:50:16" (1/3) ... [2018-11-18 14:50:17,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1187f1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:17, skipping insertion in model container [2018-11-18 14:50:17,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:16" (2/3) ... [2018-11-18 14:50:17,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1187f1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:17, skipping insertion in model container [2018-11-18 14:50:17,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:17" (3/3) ... [2018-11-18 14:50:17,289 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-11-18 14:50:17,295 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:50:17,302 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:50:17,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:50:17,333 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:50:17,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:50:17,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:50:17,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:50:17,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:50:17,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:50:17,334 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:50:17,334 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:50:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 14:50:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 14:50:17,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:17,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:17,362 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:17,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:17,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1669527864, now seen corresponding path program 1 times [2018-11-18 14:50:17,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:17,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:17,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:17,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:17,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:17,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:17,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:50:17,663 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:17,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:50:17,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:50:17,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:50:17,681 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 14:50:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:18,228 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-18 14:50:18,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:50:18,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-18 14:50:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:18,238 INFO L225 Difference]: With dead ends: 627 [2018-11-18 14:50:18,238 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 14:50:18,241 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:50:18,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 14:50:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-18 14:50:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 14:50:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-18 14:50:18,290 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 128 [2018-11-18 14:50:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:18,291 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-18 14:50:18,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:50:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-18 14:50:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 14:50:18,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:18,296 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:18,298 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:18,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:18,299 INFO L82 PathProgramCache]: Analyzing trace with hash -91961275, now seen corresponding path program 1 times [2018-11-18 14:50:18,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:18,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:18,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:18,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:18,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:50:18,490 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:18,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:50:18,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:50:18,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:50:18,492 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 5 states. [2018-11-18 14:50:19,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:19,132 INFO L93 Difference]: Finished difference Result 905 states and 1519 transitions. [2018-11-18 14:50:19,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:50:19,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-18 14:50:19,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:19,134 INFO L225 Difference]: With dead ends: 905 [2018-11-18 14:50:19,135 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 14:50:19,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:50:19,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 14:50:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 14:50:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 14:50:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 613 transitions. [2018-11-18 14:50:19,152 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 613 transitions. Word has length 137 [2018-11-18 14:50:19,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:19,152 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 613 transitions. [2018-11-18 14:50:19,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:50:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 613 transitions. [2018-11-18 14:50:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 14:50:19,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:19,154 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:19,154 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:19,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:19,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2004319935, now seen corresponding path program 1 times [2018-11-18 14:50:19,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:19,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:19,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:19,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:19,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:19,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:19,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:50:19,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:19,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:50:19,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:50:19,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:50:19,241 INFO L87 Difference]: Start difference. First operand 382 states and 613 transitions. Second operand 6 states. [2018-11-18 14:50:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:19,990 INFO L93 Difference]: Finished difference Result 1241 states and 2101 transitions. [2018-11-18 14:50:19,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:50:19,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-18 14:50:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:19,995 INFO L225 Difference]: With dead ends: 1241 [2018-11-18 14:50:19,995 INFO L226 Difference]: Without dead ends: 865 [2018-11-18 14:50:19,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:19,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-18 14:50:20,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 818. [2018-11-18 14:50:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2018-11-18 14:50:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1267 transitions. [2018-11-18 14:50:20,028 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1267 transitions. Word has length 139 [2018-11-18 14:50:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:20,028 INFO L480 AbstractCegarLoop]: Abstraction has 818 states and 1267 transitions. [2018-11-18 14:50:20,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:50:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1267 transitions. [2018-11-18 14:50:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 14:50:20,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:20,030 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:20,030 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:20,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash -430858735, now seen corresponding path program 1 times [2018-11-18 14:50:20,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:20,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:20,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:20,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:20,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:20,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:20,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:50:20,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:20,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:50:20,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:50:20,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:50:20,244 INFO L87 Difference]: Start difference. First operand 818 states and 1267 transitions. Second operand 7 states. [2018-11-18 14:50:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:21,204 INFO L93 Difference]: Finished difference Result 2617 states and 4252 transitions. [2018-11-18 14:50:21,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:50:21,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-18 14:50:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:21,210 INFO L225 Difference]: With dead ends: 2617 [2018-11-18 14:50:21,211 INFO L226 Difference]: Without dead ends: 1805 [2018-11-18 14:50:21,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2018-11-18 14:50:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1800. [2018-11-18 14:50:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2018-11-18 14:50:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2733 transitions. [2018-11-18 14:50:21,270 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2733 transitions. Word has length 142 [2018-11-18 14:50:21,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:21,270 INFO L480 AbstractCegarLoop]: Abstraction has 1800 states and 2733 transitions. [2018-11-18 14:50:21,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:50:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2733 transitions. [2018-11-18 14:50:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:50:21,275 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:21,275 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:21,276 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:21,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1196711489, now seen corresponding path program 1 times [2018-11-18 14:50:21,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:21,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:21,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:21,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:21,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:50:21,350 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:21,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:50:21,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:50:21,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:50:21,351 INFO L87 Difference]: Start difference. First operand 1800 states and 2733 transitions. Second operand 6 states. [2018-11-18 14:50:22,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:22,045 INFO L93 Difference]: Finished difference Result 4620 states and 7211 transitions. [2018-11-18 14:50:22,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:50:22,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-18 14:50:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:22,059 INFO L225 Difference]: With dead ends: 4620 [2018-11-18 14:50:22,060 INFO L226 Difference]: Without dead ends: 2826 [2018-11-18 14:50:22,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:22,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-11-18 14:50:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2779. [2018-11-18 14:50:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2018-11-18 14:50:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 4070 transitions. [2018-11-18 14:50:22,144 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 4070 transitions. Word has length 150 [2018-11-18 14:50:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:22,144 INFO L480 AbstractCegarLoop]: Abstraction has 2779 states and 4070 transitions. [2018-11-18 14:50:22,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:50:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 4070 transitions. [2018-11-18 14:50:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 14:50:22,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:22,151 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:22,152 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:22,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:22,152 INFO L82 PathProgramCache]: Analyzing trace with hash 443735674, now seen corresponding path program 1 times [2018-11-18 14:50:22,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:22,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:22,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:22,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:22,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:22,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:22,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:50:22,290 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:22,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:50:22,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:50:22,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:50:22,290 INFO L87 Difference]: Start difference. First operand 2779 states and 4070 transitions. Second operand 5 states. [2018-11-18 14:50:22,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:22,797 INFO L93 Difference]: Finished difference Result 5671 states and 8370 transitions. [2018-11-18 14:50:22,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:50:22,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-18 14:50:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:22,808 INFO L225 Difference]: With dead ends: 5671 [2018-11-18 14:50:22,808 INFO L226 Difference]: Without dead ends: 2750 [2018-11-18 14:50:22,817 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:50:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2018-11-18 14:50:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2750. [2018-11-18 14:50:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2750 states. [2018-11-18 14:50:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3975 transitions. [2018-11-18 14:50:22,877 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3975 transitions. Word has length 155 [2018-11-18 14:50:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:22,877 INFO L480 AbstractCegarLoop]: Abstraction has 2750 states and 3975 transitions. [2018-11-18 14:50:22,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:50:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3975 transitions. [2018-11-18 14:50:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 14:50:22,885 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:22,885 INFO L375 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, 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] [2018-11-18 14:50:22,885 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:22,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:22,885 INFO L82 PathProgramCache]: Analyzing trace with hash -939036357, now seen corresponding path program 1 times [2018-11-18 14:50:22,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:22,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:22,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:22,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:22,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:50:22,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:22,979 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:22,980 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-18 14:50:22,982 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:50:23,018 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:23,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:23,371 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:50:23,372 INFO L272 AbstractInterpreter]: Visited 129 different actions 129 times. Never merged. Never widened. Performed 1398 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 14:50:23,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:23,391 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:50:23,690 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-18 14:50:23,690 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:50:23,714 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-18 14:50:23,714 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:50:23,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:50:23,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-11-18 14:50:23,715 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:23,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:50:23,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:50:23,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:50:23,716 INFO L87 Difference]: Start difference. First operand 2750 states and 3975 transitions. Second operand 7 states. [2018-11-18 14:50:26,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:26,249 INFO L93 Difference]: Finished difference Result 5642 states and 8157 transitions. [2018-11-18 14:50:26,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:50:26,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2018-11-18 14:50:26,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:26,254 INFO L225 Difference]: With dead ends: 5642 [2018-11-18 14:50:26,254 INFO L226 Difference]: Without dead ends: 2898 [2018-11-18 14:50:26,257 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:50:26,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2018-11-18 14:50:26,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2895. [2018-11-18 14:50:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-11-18 14:50:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 4128 transitions. [2018-11-18 14:50:26,293 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 4128 transitions. Word has length 164 [2018-11-18 14:50:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:26,294 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 4128 transitions. [2018-11-18 14:50:26,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:50:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 4128 transitions. [2018-11-18 14:50:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 14:50:26,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:26,298 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:26,298 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:26,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:26,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1140751716, now seen corresponding path program 1 times [2018-11-18 14:50:26,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:26,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:26,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:26,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:26,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:50:26,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:26,363 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:26,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-18 14:50:26,363 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:50:26,367 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:26,367 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:26,522 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:50:26,522 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 5 different actions 5 times. Never widened. Performed 2793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 14:50:26,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:26,530 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:50:26,687 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-18 14:50:26,687 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:50:26,820 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-18 14:50:26,820 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:50:26,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:50:26,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-18 14:50:26,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:26,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:50:26,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:50:26,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:50:26,821 INFO L87 Difference]: Start difference. First operand 2895 states and 4128 transitions. Second operand 11 states. [2018-11-18 14:50:30,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:30,832 INFO L93 Difference]: Finished difference Result 6096 states and 8679 transitions. [2018-11-18 14:50:30,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 14:50:30,832 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-11-18 14:50:30,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:30,893 INFO L225 Difference]: With dead ends: 6096 [2018-11-18 14:50:30,893 INFO L226 Difference]: Without dead ends: 3207 [2018-11-18 14:50:30,897 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:50:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2018-11-18 14:50:30,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3199. [2018-11-18 14:50:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3199 states. [2018-11-18 14:50:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 4453 transitions. [2018-11-18 14:50:30,941 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 4453 transitions. Word has length 174 [2018-11-18 14:50:30,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:30,941 INFO L480 AbstractCegarLoop]: Abstraction has 3199 states and 4453 transitions. [2018-11-18 14:50:30,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:50:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 4453 transitions. [2018-11-18 14:50:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 14:50:30,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:30,947 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:30,947 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:30,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:30,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2045706540, now seen corresponding path program 1 times [2018-11-18 14:50:30,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:30,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:30,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:30,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:30,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 59 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:50:31,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:31,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:31,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-18 14:50:31,053 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:50:31,056 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:31,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:31,210 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:50:31,210 INFO L272 AbstractInterpreter]: Visited 133 different actions 391 times. Merged at 7 different actions 14 times. Never widened. Performed 4406 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4406 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 14:50:31,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:31,213 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:50:31,412 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 84.77% of their original sizes. [2018-11-18 14:50:31,413 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:50:31,461 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-18 14:50:31,461 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:50:31,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:50:31,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2018-11-18 14:50:31,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:31,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:50:31,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:50:31,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:31,464 INFO L87 Difference]: Start difference. First operand 3199 states and 4453 transitions. Second operand 9 states. [2018-11-18 14:50:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:33,435 INFO L93 Difference]: Finished difference Result 8202 states and 11686 transitions. [2018-11-18 14:50:33,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:50:33,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2018-11-18 14:50:33,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:33,450 INFO L225 Difference]: With dead ends: 8202 [2018-11-18 14:50:33,451 INFO L226 Difference]: Without dead ends: 5009 [2018-11-18 14:50:33,459 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:50:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5009 states. [2018-11-18 14:50:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5009 to 4992. [2018-11-18 14:50:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4992 states. [2018-11-18 14:50:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 6814 transitions. [2018-11-18 14:50:33,562 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 6814 transitions. Word has length 190 [2018-11-18 14:50:33,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:33,562 INFO L480 AbstractCegarLoop]: Abstraction has 4992 states and 6814 transitions. [2018-11-18 14:50:33,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:50:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 6814 transitions. [2018-11-18 14:50:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 14:50:33,571 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:33,571 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:33,571 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:33,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:33,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1328626303, now seen corresponding path program 1 times [2018-11-18 14:50:33,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:33,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:33,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:33,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:33,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 24 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 14:50:33,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:33,689 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:33,689 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-18 14:50:33,689 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [37], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:50:33,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:33,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:33,853 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:50:33,853 INFO L272 AbstractInterpreter]: Visited 134 different actions 268 times. Merged at 7 different actions 11 times. Never widened. Performed 2947 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 14:50:33,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:33,855 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:50:34,086 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 82.83% of their original sizes. [2018-11-18 14:50:34,087 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:50:34,126 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-18 14:50:34,126 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:50:34,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:50:34,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 14:50:34,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:50:34,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:50:34,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:50:34,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:50:34,128 INFO L87 Difference]: Start difference. First operand 4992 states and 6814 transitions. Second operand 9 states. [2018-11-18 14:50:37,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:37,078 INFO L93 Difference]: Finished difference Result 10886 states and 14761 transitions. [2018-11-18 14:50:37,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:50:37,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2018-11-18 14:50:37,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:37,096 INFO L225 Difference]: With dead ends: 10886 [2018-11-18 14:50:37,096 INFO L226 Difference]: Without dead ends: 5900 [2018-11-18 14:50:37,105 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:50:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5900 states. [2018-11-18 14:50:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5900 to 5883. [2018-11-18 14:50:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5883 states. [2018-11-18 14:50:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 5883 states and 7856 transitions. [2018-11-18 14:50:37,216 INFO L78 Accepts]: Start accepts. Automaton has 5883 states and 7856 transitions. Word has length 195 [2018-11-18 14:50:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:37,216 INFO L480 AbstractCegarLoop]: Abstraction has 5883 states and 7856 transitions. [2018-11-18 14:50:37,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:50:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5883 states and 7856 transitions. [2018-11-18 14:50:37,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 14:50:37,226 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:50:37,227 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:50:37,227 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:50:37,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:37,227 INFO L82 PathProgramCache]: Analyzing trace with hash 577916684, now seen corresponding path program 1 times [2018-11-18 14:50:37,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:50:37,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:37,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:37,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:37,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:50:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:50:37,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:37,387 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:50:37,387 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-18 14:50:37,389 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 14:50:37,391 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:50:37,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:50:37,646 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:50:37,646 INFO L272 AbstractInterpreter]: Visited 135 different actions 403 times. Merged at 9 different actions 22 times. Never widened. Performed 4693 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4693 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 14:50:37,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:37,651 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:50:37,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:50:37,651 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:50:37,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:37,659 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:50:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:37,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:50:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 14:50:37,833 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:50:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 14:50:37,964 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:50:37,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 14:50:37,964 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:50:37,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 14:50:37,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 14:50:37,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:50:37,966 INFO L87 Difference]: Start difference. First operand 5883 states and 7856 transitions. Second operand 15 states. [2018-11-18 14:50:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:39,611 INFO L93 Difference]: Finished difference Result 15143 states and 20843 transitions. [2018-11-18 14:50:39,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:50:39,612 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 201 [2018-11-18 14:50:39,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:50:39,613 INFO L225 Difference]: With dead ends: 15143 [2018-11-18 14:50:39,613 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:50:39,640 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-18 14:50:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:50:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:50:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:50:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:50:39,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2018-11-18 14:50:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:50:39,641 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:50:39,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 14:50:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:50:39,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:50:39,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:50:39,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:39,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:50:40,566 WARN L180 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 69 [2018-11-18 14:50:40,791 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 14:50:40,793 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,794 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,795 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 14:50:40,796 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 14:50:40,797 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 14:50:40,798 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,799 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 14:50:40,800 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 14:50:40,801 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 14:50:40,802 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,803 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 1 |old(~a25~0)|))) (let ((.cse7 (not (= 8 |old(~a17~0)|))) (.cse8 (= 1 ~a25~0)) (.cse5 (not .cse13)) (.cse12 (not (= ~a25~0 1))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= |old(~a17~0)| 8))) (.cse0 (not (= 1 ~a21~0))) (.cse14 (= |old(~a17~0)| |old(~a28~0)|)) (.cse9 (= |old(~a11~0)| |old(~a19~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= 7 ~a17~0)) (.cse11 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a17~0 |old(~a17~0)|)) .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8 (not (= 9 |old(~a28~0)|))) (or .cse0 .cse8 .cse5 .cse6 .cse9 .cse7) (or .cse0 (not (= 7 |old(~a28~0)|)) (and .cse1 (= 1 ~a11~0) .cse10 .cse8 (= 1 ~a19~0)) .cse5 .cse6 (not (= 1 |old(~a11~0)|)) .cse11) (or .cse0 .cse12 .cse4 .cse13) (or .cse0 (and .cse1 .cse2 .cse3 .cse12 .cse10) .cse14 .cse13 .cse11) (or .cse0 (not (= 0 |old(~a11~0)|)) (= |calculate_output_#in~input| 0) .cse6 (= 0 |old(~a28~0)|) (= ~a25~0 0) .cse14 .cse4 (not (= 0 |old(~a25~0)|))) (or .cse0 (= 10 |old(~a28~0)|) .cse14 .cse9 (and .cse1 .cse2 .cse3 .cse10) .cse11)))) [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 14:50:40,804 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,805 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 14:50:40,806 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 14:50:40,807 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 14:50:40,808 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:50:40,809 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 14:50:40,809 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:50:40,809 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:50:40,809 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-18 14:50:40,809 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 14:50:40,809 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-11-18 14:50:40,809 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 14:50:40,809 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 14:50:40,809 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-11-18 14:50:40,810 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 14:50:40,810 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 14:50:40,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:50:40 BoogieIcfgContainer [2018-11-18 14:50:40,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:50:40,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:50:40,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:50:40,820 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:50:40,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:17" (3/4) ... [2018-11-18 14:50:40,823 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:50:40,828 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:50:40,828 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:50:40,829 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:50:40,845 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:50:40,852 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:50:40,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 14:50:40,940 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae8ca8b0-880a-437d-b87e-028387949846/bin-2019/utaipan/witness.graphml [2018-11-18 14:50:40,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:50:40,941 INFO L168 Benchmark]: Toolchain (without parser) took 24869.23 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -261.6 MB). Peak memory consumption was 990.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,941 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:50:40,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,942 INFO L168 Benchmark]: Boogie Preprocessor took 50.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,942 INFO L168 Benchmark]: RCFGBuilder took 708.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,942 INFO L168 Benchmark]: TraceAbstraction took 23535.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 899.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,943 INFO L168 Benchmark]: Witness Printer took 120.89 ms. Allocated memory is still 2.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:40,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 708.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23535.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 899.4 MB. Max. memory is 11.5 GB. * Witness Printer took 120.89 ms. Allocated memory is still 2.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 23.4s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 17.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1702 SDtfs, 10379 SDslu, 2557 SDs, 0 SdLazy, 12627 SolverSat, 2337 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1235 GetRequests, 1121 SyntacticMatches, 6 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5883occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9964771634600206 AbsIntWeakeningRatio, 0.22253129346314326 AbsIntAvgWeakeningVarsNumRemoved, 26.363004172461753 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 149 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 217 PreInvPairs, 341 NumberOfFragments, 441 HoareAnnotationTreeSize, 217 FomulaSimplifications, 12457 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5182 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1976 NumberOfCodeBlocks, 1976 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2164 ConstructedInterpolants, 0 QuantifiedInterpolants, 1390870 SizeOfPredicates, 1 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 717/832 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...