./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/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 a07d46acee19a1bf676413a71857b7cd94a5f704 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:16:11,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:16:11,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:16:11,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:16:11,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:16:11,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:16:11,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:16:11,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:16:11,287 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:16:11,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:16:11,288 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:16:11,288 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:16:11,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:16:11,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:16:11,290 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:16:11,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:16:11,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:16:11,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:16:11,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:16:11,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:16:11,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:16:11,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:16:11,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:16:11,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:16:11,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:16:11,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:16:11,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:16:11,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:16:11,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:16:11,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:16:11,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:16:11,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:16:11,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:16:11,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:16:11,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:16:11,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:16:11,301 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:16:11,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:16:11,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:16:11,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:16:11,309 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:16:11,310 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:16:11,310 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:16:11,311 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:16:11,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:16:11,315 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:16:11,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:16:11,316 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:16:11,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:16:11,317 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:16:11,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:16:11,318 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:16:11,318 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:16:11,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:16:11,318 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:16:11,318 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_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-12-08 19:16:11,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:16:11,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:16:11,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:16:11,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:16:11,349 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:16:11,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-08 19:16:11,385 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/data/b6e0f5a11/e8c0f31889e3452ca125ff8e0b1a1087/FLAGc1c653264 [2018-12-08 19:16:11,797 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:16:11,798 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-08 19:16:11,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/data/b6e0f5a11/e8c0f31889e3452ca125ff8e0b1a1087/FLAGc1c653264 [2018-12-08 19:16:11,813 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/data/b6e0f5a11/e8c0f31889e3452ca125ff8e0b1a1087 [2018-12-08 19:16:11,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:16:11,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:16:11,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:16:11,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:16:11,818 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:16:11,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:16:11" (1/1) ... [2018-12-08 19:16:11,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:11, skipping insertion in model container [2018-12-08 19:16:11,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:16:11" (1/1) ... [2018-12-08 19:16:11,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:16:11,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:16:12,020 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:16:12,023 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:16:12,117 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:16:12,126 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:16:12,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12 WrapperNode [2018-12-08 19:16:12,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:16:12,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:16:12,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:16:12,127 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:16:12,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:16:12,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:16:12,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:16:12,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:16:12,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... [2018-12-08 19:16:12,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:16:12,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:16:12,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:16:12,183 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:16:12,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:16:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:16:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:16:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 19:16:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 19:16:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:16:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:16:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:16:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:16:12,724 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:16:12,724 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 19:16:12,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:16:12 BoogieIcfgContainer [2018-12-08 19:16:12,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:16:12,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:16:12,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:16:12,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:16:12,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:16:11" (1/3) ... [2018-12-08 19:16:12,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:16:12, skipping insertion in model container [2018-12-08 19:16:12,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:16:12" (2/3) ... [2018-12-08 19:16:12,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:16:12, skipping insertion in model container [2018-12-08 19:16:12,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:16:12" (3/3) ... [2018-12-08 19:16:12,731 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-12-08 19:16:12,738 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:16:12,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:16:12,758 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:16:12,785 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:16:12,785 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:16:12,785 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:16:12,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:16:12,785 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:16:12,785 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:16:12,785 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:16:12,786 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:16:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 19:16:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 19:16:12,813 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:12,814 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, 1, 1, 1, 1, 1] [2018-12-08 19:16:12,817 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:12,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:12,821 INFO L82 PathProgramCache]: Analyzing trace with hash -548785191, now seen corresponding path program 1 times [2018-12-08 19:16:12,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:12,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:12,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:12,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:12,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:13,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:16:13,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:16:13,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:13,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:16:13,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:16:13,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:16:13,140 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 19:16:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:13,571 INFO L93 Difference]: Finished difference Result 618 states and 1057 transitions. [2018-12-08 19:16:13,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:16:13,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-08 19:16:13,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:13,581 INFO L225 Difference]: With dead ends: 618 [2018-12-08 19:16:13,582 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 19:16:13,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:16:13,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 19:16:13,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 319. [2018-12-08 19:16:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-08 19:16:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 466 transitions. [2018-12-08 19:16:13,621 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 466 transitions. Word has length 139 [2018-12-08 19:16:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:13,622 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 466 transitions. [2018-12-08 19:16:13,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:16:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 466 transitions. [2018-12-08 19:16:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 19:16:13,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:13,625 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:16:13,625 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:13,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:13,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1297037278, now seen corresponding path program 1 times [2018-12-08 19:16:13,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:13,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:13,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:13,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:16:13,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:16:13,839 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:13,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:16:13,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:16:13,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:16:13,840 INFO L87 Difference]: Start difference. First operand 319 states and 466 transitions. Second operand 5 states. [2018-12-08 19:16:14,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:14,196 INFO L93 Difference]: Finished difference Result 719 states and 1091 transitions. [2018-12-08 19:16:14,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:16:14,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-12-08 19:16:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:14,199 INFO L225 Difference]: With dead ends: 719 [2018-12-08 19:16:14,199 INFO L226 Difference]: Without dead ends: 319 [2018-12-08 19:16:14,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:16:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-12-08 19:16:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-12-08 19:16:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-08 19:16:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 463 transitions. [2018-12-08 19:16:14,217 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 463 transitions. Word has length 147 [2018-12-08 19:16:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:14,217 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 463 transitions. [2018-12-08 19:16:14,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:16:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 463 transitions. [2018-12-08 19:16:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 19:16:14,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:14,220 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:16:14,220 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:14,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:14,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2104183969, now seen corresponding path program 1 times [2018-12-08 19:16:14,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:14,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:14,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:14,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:14,222 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:14,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:16:14,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:16:14,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:14,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:16:14,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:16:14,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:16:14,304 INFO L87 Difference]: Start difference. First operand 319 states and 463 transitions. Second operand 6 states. [2018-12-08 19:16:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:14,696 INFO L93 Difference]: Finished difference Result 941 states and 1396 transitions. [2018-12-08 19:16:14,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:16:14,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-12-08 19:16:14,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:14,701 INFO L225 Difference]: With dead ends: 941 [2018-12-08 19:16:14,701 INFO L226 Difference]: Without dead ends: 628 [2018-12-08 19:16:14,702 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 [2018-12-08 19:16:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-08 19:16:14,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2018-12-08 19:16:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-12-08 19:16:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 883 transitions. [2018-12-08 19:16:14,725 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 883 transitions. Word has length 172 [2018-12-08 19:16:14,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:14,726 INFO L480 AbstractCegarLoop]: Abstraction has 620 states and 883 transitions. [2018-12-08 19:16:14,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:16:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 883 transitions. [2018-12-08 19:16:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:16:14,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:14,728 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:16:14,728 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:14,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:14,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1505826471, now seen corresponding path program 1 times [2018-12-08 19:16:14,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:14,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:14,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:14,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:14,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:14,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:14,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:16:14,890 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-08 19:16:14,891 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [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], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 19:16:14,920 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:16:14,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:16:15,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 19:16:15,320 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 19:16:15,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:15,325 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 19:16:15,555 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 82.95% of their original sizes. [2018-12-08 19:16:15,555 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 19:16:15,608 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-08 19:16:15,608 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 19:16:15,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:16:15,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 19:16:15,609 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:15,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 19:16:15,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 19:16:15,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:16:15,610 INFO L87 Difference]: Start difference. First operand 620 states and 883 transitions. Second operand 10 states. [2018-12-08 19:16:19,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:19,023 INFO L93 Difference]: Finished difference Result 1826 states and 2602 transitions. [2018-12-08 19:16:19,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 19:16:19,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-08 19:16:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:19,047 INFO L225 Difference]: With dead ends: 1826 [2018-12-08 19:16:19,047 INFO L226 Difference]: Without dead ends: 1212 [2018-12-08 19:16:19,048 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 19:16:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2018-12-08 19:16:19,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1206. [2018-12-08 19:16:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2018-12-08 19:16:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1565 transitions. [2018-12-08 19:16:19,066 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1565 transitions. Word has length 173 [2018-12-08 19:16:19,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:19,066 INFO L480 AbstractCegarLoop]: Abstraction has 1206 states and 1565 transitions. [2018-12-08 19:16:19,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 19:16:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1565 transitions. [2018-12-08 19:16:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-08 19:16:19,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:19,068 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:16:19,069 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:19,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:19,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1225701160, now seen corresponding path program 1 times [2018-12-08 19:16:19,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:19,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:19,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:19,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:19,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 19:16:19,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:19,117 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:16:19,117 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-12-08 19:16:19,117 INFO L205 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], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [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], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 19:16:19,119 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:16:19,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:16:19,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 19:16:19,221 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 4 different actions 4 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 19:16:19,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:19,222 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 19:16:19,352 INFO L227 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 81.18% of their original sizes. [2018-12-08 19:16:19,352 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 19:16:19,405 INFO L418 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2018-12-08 19:16:19,405 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 19:16:19,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:16:19,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 19:16:19,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:19,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 19:16:19,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 19:16:19,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:16:19,406 INFO L87 Difference]: Start difference. First operand 1206 states and 1565 transitions. Second operand 10 states. [2018-12-08 19:16:22,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:22,007 INFO L93 Difference]: Finished difference Result 2846 states and 3690 transitions. [2018-12-08 19:16:22,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 19:16:22,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-12-08 19:16:22,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:22,011 INFO L225 Difference]: With dead ends: 2846 [2018-12-08 19:16:22,011 INFO L226 Difference]: Without dead ends: 1646 [2018-12-08 19:16:22,013 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 19:16:22,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-08 19:16:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1642. [2018-12-08 19:16:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2018-12-08 19:16:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2075 transitions. [2018-12-08 19:16:22,036 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2075 transitions. Word has length 203 [2018-12-08 19:16:22,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:22,037 INFO L480 AbstractCegarLoop]: Abstraction has 1642 states and 2075 transitions. [2018-12-08 19:16:22,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 19:16:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2075 transitions. [2018-12-08 19:16:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 19:16:22,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:22,041 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 19:16:22,041 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:22,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:22,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2038493280, now seen corresponding path program 1 times [2018-12-08 19:16:22,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:22,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:22,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:22,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:22,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:22,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:22,147 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:16:22,147 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-12-08 19:16:22,147 INFO L205 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], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [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], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 19:16:22,149 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:16:22,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:16:22,320 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:16:22,320 INFO L272 AbstractInterpreter]: Visited 145 different actions 430 times. Merged at 7 different actions 17 times. Never widened. Performed 5047 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5047 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 19:16:22,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:22,324 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:16:22,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:22,324 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:16:22,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:22,330 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:16:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:22,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:16:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:16:22,441 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:16:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:16:22,525 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 19:16:22,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-08 19:16:22,525 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 19:16:22,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 19:16:22,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 19:16:22,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-08 19:16:22,526 INFO L87 Difference]: Start difference. First operand 1642 states and 2075 transitions. Second operand 14 states. [2018-12-08 19:16:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:23,938 INFO L93 Difference]: Finished difference Result 4465 states and 5901 transitions. [2018-12-08 19:16:23,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 19:16:23,938 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 207 [2018-12-08 19:16:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:23,944 INFO L225 Difference]: With dead ends: 4465 [2018-12-08 19:16:23,944 INFO L226 Difference]: Without dead ends: 2233 [2018-12-08 19:16:23,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 19:16:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2018-12-08 19:16:23,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2081. [2018-12-08 19:16:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-08 19:16:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2450 transitions. [2018-12-08 19:16:23,976 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2450 transitions. Word has length 207 [2018-12-08 19:16:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:23,976 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 2450 transitions. [2018-12-08 19:16:23,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 19:16:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2450 transitions. [2018-12-08 19:16:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 19:16:23,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:23,980 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:16:23,980 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:23,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash -25860040, now seen corresponding path program 1 times [2018-12-08 19:16:23,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:23,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:23,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:23,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:23,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:16:24,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:24,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:16:24,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-08 19:16:24,108 INFO L205 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], [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], [324], [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], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 19:16:24,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:16:24,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:16:24,279 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:16:24,279 INFO L272 AbstractInterpreter]: Visited 144 different actions 423 times. Merged at 6 different actions 13 times. Never widened. Performed 4993 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4993 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 19:16:24,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:24,280 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:16:24,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:24,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:16:24,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:24,286 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:16:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:24,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:16:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:16:24,396 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:16:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:16:24,445 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:16:24,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 19:16:24,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:24,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:16:24,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:16:24,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:16:24,446 INFO L87 Difference]: Start difference. First operand 2081 states and 2450 transitions. Second operand 3 states. [2018-12-08 19:16:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:24,654 INFO L93 Difference]: Finished difference Result 3866 states and 4682 transitions. [2018-12-08 19:16:24,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:16:24,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-12-08 19:16:24,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:24,659 INFO L225 Difference]: With dead ends: 3866 [2018-12-08 19:16:24,659 INFO L226 Difference]: Without dead ends: 2671 [2018-12-08 19:16:24,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:16:24,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2018-12-08 19:16:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2525. [2018-12-08 19:16:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states. [2018-12-08 19:16:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 2947 transitions. [2018-12-08 19:16:24,688 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 2947 transitions. Word has length 224 [2018-12-08 19:16:24,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:24,688 INFO L480 AbstractCegarLoop]: Abstraction has 2525 states and 2947 transitions. [2018-12-08 19:16:24,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:16:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2947 transitions. [2018-12-08 19:16:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-08 19:16:24,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:16:24,691 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:16:24,692 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:16:24,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:24,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1474800227, now seen corresponding path program 1 times [2018-12-08 19:16:24,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:16:24,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:24,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:16:24,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:16:24,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:16:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:16:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 19:16:24,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:16:24,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:16:24,764 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-12-08 19:16:24,764 INFO L205 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], [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], [312], [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], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 19:16:24,765 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:16:24,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:16:24,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 19:16:24,920 INFO L272 AbstractInterpreter]: Visited 144 different actions 427 times. Merged at 6 different actions 15 times. Never widened. Performed 4882 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4882 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 19:16:24,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:16:24,923 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 19:16:25,073 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 84.79% of their original sizes. [2018-12-08 19:16:25,073 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 19:16:25,106 INFO L418 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-12-08 19:16:25,106 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 19:16:25,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:16:25,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-08 19:16:25,106 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:16:25,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:16:25,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:16:25,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:16:25,107 INFO L87 Difference]: Start difference. First operand 2525 states and 2947 transitions. Second operand 9 states. [2018-12-08 19:16:27,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:16:27,133 INFO L93 Difference]: Finished difference Result 4352 states and 5224 transitions. [2018-12-08 19:16:27,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 19:16:27,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 251 [2018-12-08 19:16:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:16:27,134 INFO L225 Difference]: With dead ends: 4352 [2018-12-08 19:16:27,134 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:16:27,138 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 19:16:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:16:27,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:16:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:16:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:16:27,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-12-08 19:16:27,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:16:27,139 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:16:27,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:16:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:16:27,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:16:27,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:16:27,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:16:27,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:16:27,655 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,834 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,835 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 19:16:27,836 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,837 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,838 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 19:16:27,839 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 571) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 19:16:27,840 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,841 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,842 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 9 |old(~a28~0)|)) (.cse14 (= |old(~a11~0)| ~a11~0)) (.cse19 (= |old(~a17~0)| ~a17~0)) (.cse15 (= ~a28~0 |old(~a28~0)|))) (let ((.cse7 (= 0 |old(~a28~0)|)) (.cse9 (= ~a19~0 1)) (.cse1 (and .cse14 .cse19 .cse15)) (.cse5 (= 1 |old(~a11~0)|)) (.cse16 (not (= |old(~a17~0)| 8))) (.cse17 (<= ~a19~0 0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse18 (< 0 |old(~a19~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a25~0)|))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= 0 |old(~a11~0)|))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse13 (not .cse3)) (.cse10 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse0 (= ~a25~0 0) .cse6 .cse7 .cse2 .cse11 .cse8 .cse10 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse12 .cse6 .cse8 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) .cse13 (not .cse5)) (or (or .cse0 .cse2) .cse6 .cse7 (and .cse14 (= ~a17~0 8) .cse9 .cse15) .cse8 .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse16) (or .cse0 .cse5 .cse3 .cse16 .cse1) (or .cse0 .cse5 .cse17 .cse3 .cse16 .cse18) (or .cse17 (or .cse0 .cse2 .cse3 .cse16 .cse18)) (or .cse0 (and .cse14 .cse17 .cse19 .cse15) .cse2 .cse18 .cse4) (or (or .cse0 .cse12 .cse6 .cse11 .cse8 .cse13) (= ~a25~0 1) .cse10)))) [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 19:16:27,843 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 19:16:27,844 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:16:27,845 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)) [2018-12-08 19:16:27,845 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:16:27,845 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)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-12-08 19:16:27,845 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse2 (<= ~a17~0 7)) (.cse0 (not (= ~a28~0 8))) (.cse3 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 (= ~a19~0 1)) (and .cse2 (<= ~a19~0 0) .cse0) (and .cse1 (not (= ~a11~0 1)) .cse3) (and (= |old(~a17~0)| ~a17~0) .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse0 .cse3))) [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 19:16:27,845 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 19:16:27,846 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse1 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a11~0 1)) .cse1) (and .cse2 (<= ~a19~0 0) .cse3) (and (not (= main_~input~0 0)) .cse3 (= ~a17~0 8) (= ~a19~0 1)) (and .cse0 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (and .cse2 .cse3 .cse1) (not (= 0 |old(~a25~0)|)))) [2018-12-08 19:16:27,846 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 19:16:27,846 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 19:16:27,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:16:27 BoogieIcfgContainer [2018-12-08 19:16:27,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:16:27,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:16:27,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:16:27,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:16:27,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:16:12" (3/4) ... [2018-12-08 19:16:27,854 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:16:27,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:16:27,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 19:16:27,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:16:27,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 19:16:27,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 19:16:27,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-12-08 19:16:27,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fc5ba50b-a8b4-4a88-883a-14dea0e90fc8/bin-2019/utaipan/witness.graphml [2018-12-08 19:16:27,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:16:27,940 INFO L168 Benchmark]: Toolchain (without parser) took 16124.43 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 899.7 MB). Free memory was 948.1 MB in the beginning and 813.7 MB in the end (delta: 134.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,940 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:16:27,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:16:27,941 INFO L168 Benchmark]: Boogie Preprocessor took 36.72 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,941 INFO L168 Benchmark]: RCFGBuilder took 541.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.8 MB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,941 INFO L168 Benchmark]: TraceAbstraction took 15126.68 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 762.3 MB). Free memory was 998.8 MB in the beginning and 834.4 MB in the end (delta: 164.3 MB). Peak memory consumption was 926.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,941 INFO L168 Benchmark]: Witness Printer took 87.14 ms. Allocated memory is still 1.9 GB. Free memory was 834.4 MB in the beginning and 813.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:16:27,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.72 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 541.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.8 MB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15126.68 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 762.3 MB). Free memory was 998.8 MB in the beginning and 834.4 MB in the end (delta: 164.3 MB). Peak memory consumption was 926.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.14 ms. Allocated memory is still 1.9 GB. Free memory was 834.4 MB in the beginning and 813.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 571]: 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))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 15.0s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 690 SDtfs, 5590 SDslu, 724 SDs, 0 SdLazy, 7495 SolverSat, 1386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1586 GetRequests, 1481 SyntacticMatches, 7 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2525occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975097702379191 AbsIntWeakeningRatio, 0.16826923076923078 AbsIntAvgWeakeningVarsNumRemoved, 26.727564102564102 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 317 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 132 NumberOfFragments, 574 HoareAnnotationTreeSize, 76 FomulaSimplifications, 2506 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2306 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1947 NumberOfCodeBlocks, 1947 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522222 SizeOfPredicates, 2 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 804/917 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...