./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/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 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:28:34,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:28:34,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:28:34,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:28:34,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:28:34,204 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:28:34,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:28:34,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:28:34,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:28:34,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:28:34,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:28:34,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:28:34,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:28:34,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:28:34,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:28:34,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:28:34,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:28:34,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:28:34,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:28:34,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:28:34,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:28:34,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:28:34,217 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:28:34,217 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:28:34,217 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:28:34,218 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:28:34,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:28:34,219 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:28:34,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:28:34,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:28:34,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:28:34,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:28:34,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:28:34,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:28:34,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:28:34,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:28:34,221 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:28:34,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:28:34,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:28:34,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:28:34,231 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:28:34,231 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:28:34,231 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:28:34,231 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:28:34,232 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:28:34,233 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:28:34,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:28:34,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:28:34,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:28:34,235 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:28:34,235 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:28:34,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:28:34,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:28:34,236 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:28:34,236 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_25056917-055e-4ecb-99b1-0c92aae299ff/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 -> 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 [2018-11-23 06:28:34,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:28:34,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:28:34,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:28:34,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:28:34,272 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:28:34,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-23 06:28:34,313 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/data/e12f89a66/cf29243363a6466c8ad71d6280124fe7/FLAG9d0623ca1 [2018-11-23 06:28:34,773 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:28:34,773 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/sv-benchmarks/c/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-23 06:28:34,782 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/data/e12f89a66/cf29243363a6466c8ad71d6280124fe7/FLAG9d0623ca1 [2018-11-23 06:28:35,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/data/e12f89a66/cf29243363a6466c8ad71d6280124fe7 [2018-11-23 06:28:35,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:28:35,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:28:35,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:28:35,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:28:35,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:28:35,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35, skipping insertion in model container [2018-11-23 06:28:35,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:28:35,338 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:28:35,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:28:35,578 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:28:35,642 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:28:35,652 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:28:35,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35 WrapperNode [2018-11-23 06:28:35,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:28:35,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:28:35,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:28:35,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:28:35,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:28:35,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:28:35,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:28:35,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:28:35,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... [2018-11-23 06:28:35,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:28:35,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:28:35,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:28:35,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:28:35,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/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 [2018-11-23 06:28:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:28:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:28:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:28:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:28:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:28:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:28:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:28:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:28:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:28:36,641 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:28:36,641 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:28:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:36 BoogieIcfgContainer [2018-11-23 06:28:36,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:28:36,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:28:36,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:28:36,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:28:36,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:28:35" (1/3) ... [2018-11-23 06:28:36,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53294606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:36, skipping insertion in model container [2018-11-23 06:28:36,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:35" (2/3) ... [2018-11-23 06:28:36,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53294606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:36, skipping insertion in model container [2018-11-23 06:28:36,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:36" (3/3) ... [2018-11-23 06:28:36,649 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label30_true-unreach-call_false-termination.c [2018-11-23 06:28:36,656 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:28:36,661 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:28:36,672 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:28:36,696 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:28:36,696 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:28:36,696 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:28:36,697 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:28:36,697 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:28:36,697 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:28:36,697 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:28:36,697 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:28:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 06:28:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 06:28:36,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:36,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:28:36,726 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:36,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -375142418, now seen corresponding path program 1 times [2018-11-23 06:28:36,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:36,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:36,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:36,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:36,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:28:37,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:28:37,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:28:37,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:37,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:28:37,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:28:37,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:28:37,073 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 06:28:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:37,589 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 06:28:37,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:28:37,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-23 06:28:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:37,600 INFO L225 Difference]: With dead ends: 615 [2018-11-23 06:28:37,600 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 06:28:37,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:28:37,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 06:28:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 06:28:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 06:28:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 06:28:37,652 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 134 [2018-11-23 06:28:37,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:37,653 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 06:28:37,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:28:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 06:28:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 06:28:37,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:37,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:28:37,658 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:37,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash -361589037, now seen corresponding path program 1 times [2018-11-23 06:28:37,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:37,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:37,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:37,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:37,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:28:37,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:28:37,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:28:37,756 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:37,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:28:37,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:28:37,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:28:37,758 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 06:28:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:38,404 INFO L93 Difference]: Finished difference Result 1222 states and 2085 transitions. [2018-11-23 06:28:38,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:28:38,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-23 06:28:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:38,411 INFO L225 Difference]: With dead ends: 1222 [2018-11-23 06:28:38,411 INFO L226 Difference]: Without dead ends: 851 [2018-11-23 06:28:38,415 INFO L631 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 [2018-11-23 06:28:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-23 06:28:38,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 817. [2018-11-23 06:28:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-23 06:28:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1286 transitions. [2018-11-23 06:28:38,459 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1286 transitions. Word has length 149 [2018-11-23 06:28:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:38,460 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 1286 transitions. [2018-11-23 06:28:38,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:28:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1286 transitions. [2018-11-23 06:28:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 06:28:38,463 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:38,464 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1] [2018-11-23 06:28:38,465 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:38,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:38,465 INFO L82 PathProgramCache]: Analyzing trace with hash -780527464, now seen corresponding path program 1 times [2018-11-23 06:28:38,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:38,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:38,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:38,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:38,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 06:28:38,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:38,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:38,551 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 06:28:38,552 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:38,589 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:38,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:38,935 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:28:38,937 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1486 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1486 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 06:28:38,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:38,948 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:28:39,229 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 81.23% of their original sizes. [2018-11-23 06:28:39,229 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:28:39,281 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 06:28:39,281 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:28:39,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:28:39,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 06:28:39,282 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:39,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:28:39,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:28:39,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:28:39,284 INFO L87 Difference]: Start difference. First operand 817 states and 1286 transitions. Second operand 6 states. [2018-11-23 06:28:40,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:40,881 INFO L93 Difference]: Finished difference Result 1776 states and 2791 transitions. [2018-11-23 06:28:40,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:28:40,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-23 06:28:40,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:40,886 INFO L225 Difference]: With dead ends: 1776 [2018-11-23 06:28:40,886 INFO L226 Difference]: Without dead ends: 965 [2018-11-23 06:28:40,889 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:28:40,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2018-11-23 06:28:40,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2018-11-23 06:28:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-11-23 06:28:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1439 transitions. [2018-11-23 06:28:40,912 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1439 transitions. Word has length 157 [2018-11-23 06:28:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:40,912 INFO L480 AbstractCegarLoop]: Abstraction has 963 states and 1439 transitions. [2018-11-23 06:28:40,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:28:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1439 transitions. [2018-11-23 06:28:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 06:28:40,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:40,916 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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, 1] [2018-11-23 06:28:40,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:40,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:40,916 INFO L82 PathProgramCache]: Analyzing trace with hash 508325191, now seen corresponding path program 1 times [2018-11-23 06:28:40,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:40,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:40,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:40,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:40,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:28:41,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:41,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:41,008 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-23 06:28:41,008 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:41,011 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:41,012 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:41,463 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:28:41,464 INFO L272 AbstractInterpreter]: Visited 139 different actions 412 times. Merged at 6 different actions 15 times. Never widened. Performed 4630 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4630 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:28:41,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:41,466 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:28:41,686 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 84.88% of their original sizes. [2018-11-23 06:28:41,686 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:28:41,799 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-23 06:28:41,799 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:28:41,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:28:41,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 06:28:41,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:41,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:28:41,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:28:41,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:28:41,801 INFO L87 Difference]: Start difference. First operand 963 states and 1439 transitions. Second operand 9 states. [2018-11-23 06:28:45,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:45,272 INFO L93 Difference]: Finished difference Result 2376 states and 3563 transitions. [2018-11-23 06:28:45,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:28:45,272 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2018-11-23 06:28:45,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:45,276 INFO L225 Difference]: With dead ends: 2376 [2018-11-23 06:28:45,276 INFO L226 Difference]: Without dead ends: 1419 [2018-11-23 06:28:45,278 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:28:45,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-11-23 06:28:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1342. [2018-11-23 06:28:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-11-23 06:28:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1920 transitions. [2018-11-23 06:28:45,308 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1920 transitions. Word has length 166 [2018-11-23 06:28:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:45,308 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 1920 transitions. [2018-11-23 06:28:45,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:28:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1920 transitions. [2018-11-23 06:28:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 06:28:45,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:45,312 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-23 06:28:45,312 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:45,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:45,312 INFO L82 PathProgramCache]: Analyzing trace with hash -158401929, now seen corresponding path program 1 times [2018-11-23 06:28:45,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:45,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:45,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:45,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:45,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:28:45,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:45,390 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:45,391 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 06:28:45,391 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:45,394 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:45,395 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:45,593 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:28:45,594 INFO L272 AbstractInterpreter]: Visited 138 different actions 270 times. Merged at 4 different actions 4 times. Never widened. Performed 2949 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2949 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 06:28:45,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:45,604 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:28:45,721 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 81.2% of their original sizes. [2018-11-23 06:28:45,721 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:28:45,769 INFO L415 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-11-23 06:28:45,769 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:28:45,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:28:45,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 06:28:45,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:45,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:28:45,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:28:45,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:28:45,771 INFO L87 Difference]: Start difference. First operand 1342 states and 1920 transitions. Second operand 10 states. [2018-11-23 06:28:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:48,741 INFO L93 Difference]: Finished difference Result 2974 states and 4227 transitions. [2018-11-23 06:28:48,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 06:28:48,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2018-11-23 06:28:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:48,746 INFO L225 Difference]: With dead ends: 2974 [2018-11-23 06:28:48,747 INFO L226 Difference]: Without dead ends: 1638 [2018-11-23 06:28:48,749 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:28:48,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-11-23 06:28:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1635. [2018-11-23 06:28:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-11-23 06:28:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2260 transitions. [2018-11-23 06:28:48,785 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2260 transitions. Word has length 165 [2018-11-23 06:28:48,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:48,785 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 2260 transitions. [2018-11-23 06:28:48,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:28:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2260 transitions. [2018-11-23 06:28:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 06:28:48,789 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:48,789 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:28:48,790 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:48,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:48,790 INFO L82 PathProgramCache]: Analyzing trace with hash 445705455, now seen corresponding path program 1 times [2018-11-23 06:28:48,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:48,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:48,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:48,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:48,791 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:28:48,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:48,914 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:48,914 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-11-23 06:28:48,915 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:48,917 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:48,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:49,148 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:28:49,148 INFO L272 AbstractInterpreter]: Visited 139 different actions 410 times. Merged at 6 different actions 15 times. Never widened. Performed 4865 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4865 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:28:49,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:49,150 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:28:49,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:49,150 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/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 [2018-11-23 06:28:49,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:49,161 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:28:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:49,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:28:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:28:49,310 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:28:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:28:49,380 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:28:49,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 06:28:49,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:49,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:28:49,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:28:49,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:28:49,381 INFO L87 Difference]: Start difference. First operand 1635 states and 2260 transitions. Second operand 3 states. [2018-11-23 06:28:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:49,797 INFO L93 Difference]: Finished difference Result 4397 states and 6364 transitions. [2018-11-23 06:28:49,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:28:49,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2018-11-23 06:28:49,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:49,807 INFO L225 Difference]: With dead ends: 4397 [2018-11-23 06:28:49,807 INFO L226 Difference]: Without dead ends: 2768 [2018-11-23 06:28:49,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 340 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:28:49,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2018-11-23 06:28:49,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2767. [2018-11-23 06:28:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2767 states. [2018-11-23 06:28:49,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3699 transitions. [2018-11-23 06:28:49,849 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3699 transitions. Word has length 169 [2018-11-23 06:28:49,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:49,850 INFO L480 AbstractCegarLoop]: Abstraction has 2767 states and 3699 transitions. [2018-11-23 06:28:49,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:28:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3699 transitions. [2018-11-23 06:28:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 06:28:49,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:49,855 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:28:49,856 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:49,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:49,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1829925477, now seen corresponding path program 1 times [2018-11-23 06:28:49,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:49,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:49,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:49,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:49,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:28:49,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:49,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:49,932 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-23 06:28:49,932 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [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], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:49,933 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:49,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:50,098 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:28:50,098 INFO L272 AbstractInterpreter]: Visited 138 different actions 407 times. Merged at 6 different actions 13 times. Never widened. Performed 4748 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4748 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 06:28:50,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:50,099 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:28:50,221 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 84.73% of their original sizes. [2018-11-23 06:28:50,221 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:28:50,264 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-23 06:28:50,264 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:28:50,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:28:50,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 06:28:50,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:28:50,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:28:50,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:28:50,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:28:50,265 INFO L87 Difference]: Start difference. First operand 2767 states and 3699 transitions. Second operand 10 states. [2018-11-23 06:28:53,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:53,633 INFO L93 Difference]: Finished difference Result 8397 states and 11866 transitions. [2018-11-23 06:28:53,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 06:28:53,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-11-23 06:28:53,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:53,651 INFO L225 Difference]: With dead ends: 8397 [2018-11-23 06:28:53,651 INFO L226 Difference]: Without dead ends: 5636 [2018-11-23 06:28:53,661 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:28:53,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2018-11-23 06:28:53,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 5582. [2018-11-23 06:28:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5582 states. [2018-11-23 06:28:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5582 states to 5582 states and 7256 transitions. [2018-11-23 06:28:53,775 INFO L78 Accepts]: Start accepts. Automaton has 5582 states and 7256 transitions. Word has length 182 [2018-11-23 06:28:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:53,775 INFO L480 AbstractCegarLoop]: Abstraction has 5582 states and 7256 transitions. [2018-11-23 06:28:53,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:28:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 5582 states and 7256 transitions. [2018-11-23 06:28:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 06:28:53,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:53,788 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1] [2018-11-23 06:28:53,788 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:53,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:53,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1283230782, now seen corresponding path program 1 times [2018-11-23 06:28:53,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:53,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:53,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:53,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:53,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 89 proven. 22 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 06:28:53,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:53,874 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:53,874 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-23 06:28:53,874 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [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], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:53,876 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:53,876 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:54,191 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:28:54,191 INFO L272 AbstractInterpreter]: Visited 141 different actions 568 times. Merged at 8 different actions 37 times. Widened at 1 different actions 2 times. Performed 6754 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6754 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:28:54,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:54,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:28:54,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:54,200 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:28:54,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:54,207 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:28:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:54,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:28:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 06:28:54,303 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:28:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 89 proven. 22 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 06:28:54,456 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:28:54,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2018-11-23 06:28:54,456 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:28:54,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:28:54,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:28:54,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:28:54,457 INFO L87 Difference]: Start difference. First operand 5582 states and 7256 transitions. Second operand 8 states. [2018-11-23 06:28:56,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:56,012 INFO L93 Difference]: Finished difference Result 16528 states and 21775 transitions. [2018-11-23 06:28:56,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:28:56,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2018-11-23 06:28:56,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:56,032 INFO L225 Difference]: With dead ends: 16528 [2018-11-23 06:28:56,032 INFO L226 Difference]: Without dead ends: 9656 [2018-11-23 06:28:56,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:28:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9656 states. [2018-11-23 06:28:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9656 to 9604. [2018-11-23 06:28:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9604 states. [2018-11-23 06:28:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9604 states to 9604 states and 12001 transitions. [2018-11-23 06:28:56,192 INFO L78 Accepts]: Start accepts. Automaton has 9604 states and 12001 transitions. Word has length 217 [2018-11-23 06:28:56,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:56,192 INFO L480 AbstractCegarLoop]: Abstraction has 9604 states and 12001 transitions. [2018-11-23 06:28:56,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:28:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9604 states and 12001 transitions. [2018-11-23 06:28:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 06:28:56,204 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:28:56,205 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:28:56,205 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:28:56,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1555785532, now seen corresponding path program 1 times [2018-11-23 06:28:56,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:28:56,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:56,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:56,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:28:56,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:28:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 51 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 06:28:56,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:56,335 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:28:56,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-23 06:28:56,336 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [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], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:28:56,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:28:56,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:28:56,511 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:28:56,511 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 8 different actions 21 times. Never widened. Performed 4952 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4952 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:28:56,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:28:56,514 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:28:56,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:28:56,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:28:56,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:28:56,520 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:28:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:28:56,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:28:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:28:56,602 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:28:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 111 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 06:28:56,669 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:28:56,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 06:28:56,669 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:28:56,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 06:28:56,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 06:28:56,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:28:56,670 INFO L87 Difference]: Start difference. First operand 9604 states and 12001 transitions. Second operand 15 states. [2018-11-23 06:28:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:28:58,101 INFO L93 Difference]: Finished difference Result 19910 states and 25175 transitions. [2018-11-23 06:28:58,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:28:58,103 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 219 [2018-11-23 06:28:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:28:58,104 INFO L225 Difference]: With dead ends: 19910 [2018-11-23 06:28:58,104 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:28:58,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 448 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-11-23 06:28:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:28:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:28:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:28:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:28:58,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-11-23 06:28:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:28:58,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:28:58,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 06:28:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:28:58,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:28:58,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:28:58,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,453 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 94 [2018-11-23 06:28:58,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:58,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:28:59,235 WARN L180 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 80 [2018-11-23 06:28:59,427 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 48 [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L444 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)|)) [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 06:28:59,517 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:28:59,518 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,519 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 06:28:59,520 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:28:59,521 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 06:28:59,522 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 06:28:59,523 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 0 |old(~a17~0)|)) (.cse6 (= 0 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse18 (not (= 8 |old(~a17~0)|))) (.cse9 (not (= 0 |old(~a25~0)|))) (.cse21 (= ~a25~0 1)) (.cse19 (= ~a11~0 0)) (.cse1 (= ~a25~0 0)) (.cse15 (= ~a19~0 1)) (.cse20 (= ~a28~0 7)) (.cse22 (= |old(~a28~0)| ~a28~0)) (.cse23 (= |old(~a19~0)| ~a19~0)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse24 (= 7 ~a17~0))) (let ((.cse4 (< 10 |old(~a28~0)|)) (.cse11 (< |old(~a28~0)| 10)) (.cse8 (not (= |old(~a17~0)| 8))) (.cse10 (and .cse22 .cse23 .cse14 .cse24)) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse16 (or (and .cse15 .cse21) (and .cse19 .cse1 (= ~a17~0 8) .cse15 .cse20))) (.cse17 (and (or .cse0 .cse13 (not (= 1 |old(~a25~0)|)) .cse5 .cse6) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse5 .cse2 .cse18 .cse9))) (.cse3 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12) (or .cse4 .cse0 .cse13 .cse5 (and .cse14 (<= 10 ~a28~0) (<= ~a28~0 10) .cse15 (not (= ~a17~0 0))) .cse11 .cse3) (or .cse4 .cse16 .cse11 .cse17 .cse3) (or .cse17 .cse18 .cse3 (or (and .cse19 .cse1 .cse20) .cse21)) (or (and .cse22 .cse23 .cse14 (= ~a17~0 |old(~a17~0)|)) .cse8) (or .cse10 .cse7 (= |old(~a11~0)| |old(~a19~0)|) .cse12) (or (and .cse22 .cse14 .cse24 .cse16) .cse17 .cse3 .cse12)))) [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 06:28:59,524 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 06:28:59,525 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 06:28:59,526 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 06:28:59,527 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:28:59,528 INFO L444 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)) [2018-11-23 06:28:59,528 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:28:59,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:28:59,529 INFO L444 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)|))) [2018-11-23 06:28:59,529 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0)) (.cse2 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0 (not (= ~a19~0 ~a11~0))) (= |old(~a17~0)| ~a17~0) (and .cse0 (and (not (= ~a28~0 0)) .cse1 (= ~a25~0 1))) (and .cse2 .cse0) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and .cse2 (<= ~a28~0 10) .cse1 (not (= ~a17~0 0))) (not (= 8 |old(~a17~0)|)))) [2018-11-23 06:28:59,529 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:28:59,529 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:28:59,529 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= 10 ~a28~0)) (.cse0 (not (= main_~input~0 0))) (.cse3 (= 7 ~a17~0)) (.cse2 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 (<= ~a28~0 10) .cse2 (not (= ~a17~0 0))) (and (not (= ~a28~0 ~a17~0)) .cse3 (not (= ~a19~0 ~a11~0))) (= |old(~a17~0)| ~a17~0) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3 (and (not (= ~a28~0 0)) .cse2 (= ~a25~0 1))) (not (= 0 |old(~a25~0)|)))) [2018-11-23 06:28:59,529 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 06:28:59,529 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 06:28:59,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:28:59 BoogieIcfgContainer [2018-11-23 06:28:59,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:28:59,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:28:59,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:28:59,539 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:28:59,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:36" (3/4) ... [2018-11-23 06:28:59,543 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:28:59,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:28:59,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:28:59,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:28:59,557 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:28:59,558 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:28:59,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((!(a28 == a17) && 7 == a17) && !(a19 == a11))) || \old(a17) == a17) || (7 == a17 && (!(a28 == 0) && a19 == 1) && a25 == 1)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a25))) || !(1 == \old(a19))) || (((10 <= a28 && a28 <= 10) && a19 == 1) && !(a17 == 0))) || !(8 == \old(a17)) [2018-11-23 06:28:59,655 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25056917-055e-4ecb-99b1-0c92aae299ff/bin-2019/utaipan/witness.graphml [2018-11-23 06:28:59,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:28:59,655 INFO L168 Benchmark]: Toolchain (without parser) took 24362.00 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 1.6 GB in the end (delta: -598.1 MB). Peak memory consumption was 698.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.85 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. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -217.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: Boogie Preprocessor took 52.26 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. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: RCFGBuilder took 864.43 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: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:28:59,656 INFO L168 Benchmark]: TraceAbstraction took 22896.03 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -549.6 MB). Peak memory consumption was 603.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:28:59,657 INFO L168 Benchmark]: Witness Printer took 115.63 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:28:59,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.85 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 70.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -217.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.26 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 864.43 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: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22896.03 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -549.6 MB). Peak memory consumption was 603.8 MB. Max. memory is 11.5 GB. * Witness Printer took 115.63 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: 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))) || ((!(a28 == a17) && 7 == a17) && !(a19 == a11))) || \old(a17) == a17) || (7 == a17 && (!(a28 == 0) && a19 == 1) && a25 == 1)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a25))) || !(1 == \old(a19))) || (((10 <= a28 && a28 <= 10) && a19 == 1) && !(a17 == 0))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 22.8s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 16.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1756 SDtfs, 10991 SDslu, 1936 SDs, 0 SdLazy, 10796 SolverSat, 2510 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1995 GetRequests, 1869 SyntacticMatches, 8 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9604occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9971231423817135 AbsIntWeakeningRatio, 0.2072072072072072 AbsIntAvgWeakeningVarsNumRemoved, 26.35735735735736 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 223 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 203 PreInvPairs, 343 NumberOfFragments, 611 HoareAnnotationTreeSize, 203 FomulaSimplifications, 14786 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7989 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2163 NumberOfCodeBlocks, 2163 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2753 ConstructedInterpolants, 0 QuantifiedInterpolants, 932233 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1550 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1142/1287 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...