./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:36,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:36,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:36,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:36,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:36,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:36,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:36,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:36,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:36,120 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:36,121 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:36,121 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:36,122 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:36,123 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:36,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:36,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:36,125 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:36,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:36,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:36,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:36,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:36,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:36,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:36,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:36,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:36,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:36,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:36,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:36,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:36,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:36,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:36,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:36,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:36,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:36,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:36,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:36,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:32:36,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:36,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:36,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:32:36,152 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:32:36,152 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:32:36,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:32:36,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:32:36,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:36,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:32:36,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:32:36,156 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:36,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:32:36,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:36,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:32:36,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:32:36,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:32:36,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:32:36,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:32:36,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:32:36,158 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_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-18 12:32:36,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:36,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:36,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:36,196 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:36,196 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:36,197 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:32:36,248 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/data/33e704c15/90ebb35ca36b4a91954da826fd0f1f9a/FLAG83d7e883a [2018-11-18 12:32:36,668 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:36,669 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:32:36,678 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/data/33e704c15/90ebb35ca36b4a91954da826fd0f1f9a/FLAG83d7e883a [2018-11-18 12:32:36,690 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/data/33e704c15/90ebb35ca36b4a91954da826fd0f1f9a [2018-11-18 12:32:36,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:36,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:36,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:36,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:36,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:36,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:36" (1/1) ... [2018-11-18 12:32:36,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:36, skipping insertion in model container [2018-11-18 12:32:36,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:36" (1/1) ... [2018-11-18 12:32:36,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:36,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:36,979 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:36,983 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:37,053 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:37,065 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:37,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37 WrapperNode [2018-11-18 12:32:37,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:37,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:37,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:37,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:37,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:37,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:37,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:37,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:37,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... [2018-11-18 12:32:37,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:37,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:37,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:37,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:37,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:32:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:32:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:32:37,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:32:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:32:37,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:32:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:37,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:32:37,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:32:38,186 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:38,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:38 BoogieIcfgContainer [2018-11-18 12:32:38,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:38,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:32:38,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:32:38,190 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:32:38,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:32:36" (1/3) ... [2018-11-18 12:32:38,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:32:38, skipping insertion in model container [2018-11-18 12:32:38,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:37" (2/3) ... [2018-11-18 12:32:38,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:32:38, skipping insertion in model container [2018-11-18 12:32:38,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:38" (3/3) ... [2018-11-18 12:32:38,193 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:32:38,200 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:32:38,206 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:32:38,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:32:38,244 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:32:38,244 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:32:38,244 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:32:38,244 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:32:38,244 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:32:38,245 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:32:38,245 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:32:38,245 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:32:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:32:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:32:38,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:38,277 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:38,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:38,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:38,283 INFO L82 PathProgramCache]: Analyzing trace with hash 2071841880, now seen corresponding path program 1 times [2018-11-18 12:32:38,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:38,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:38,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:38,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:38,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:38,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:38,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:32:38,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:38,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:32:38,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:32:38,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:32:38,735 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-11-18 12:32:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:39,629 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-11-18 12:32:39,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:32:39,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-11-18 12:32:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:39,646 INFO L225 Difference]: With dead ends: 702 [2018-11-18 12:32:39,646 INFO L226 Difference]: Without dead ends: 488 [2018-11-18 12:32:39,652 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:32:39,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-18 12:32:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-11-18 12:32:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 12:32:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-18 12:32:39,707 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 132 [2018-11-18 12:32:39,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:39,708 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-18 12:32:39,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:32:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-18 12:32:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:32:39,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:39,714 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:39,714 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:39,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:39,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1746853559, now seen corresponding path program 1 times [2018-11-18 12:32:39,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:39,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:39,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:39,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:39,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:39,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:39,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:32:39,823 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:39,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:32:39,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:32:39,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:32:39,825 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 6 states. [2018-11-18 12:32:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:40,415 INFO L93 Difference]: Finished difference Result 882 states and 1513 transitions. [2018-11-18 12:32:40,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:32:40,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-18 12:32:40,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:40,419 INFO L225 Difference]: With dead ends: 882 [2018-11-18 12:32:40,419 INFO L226 Difference]: Without dead ends: 548 [2018-11-18 12:32:40,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:32:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-18 12:32:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-11-18 12:32:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-18 12:32:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 836 transitions. [2018-11-18 12:32:40,447 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 836 transitions. Word has length 143 [2018-11-18 12:32:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:40,448 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 836 transitions. [2018-11-18 12:32:40,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:32:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 836 transitions. [2018-11-18 12:32:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:32:40,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:40,451 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:40,452 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:40,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:40,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1493139701, now seen corresponding path program 1 times [2018-11-18 12:32:40,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:40,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:40,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:40,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:40,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:40,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:40,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:32:40,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:40,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:32:40,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:32:40,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:32:40,669 INFO L87 Difference]: Start difference. First operand 531 states and 836 transitions. Second operand 5 states. [2018-11-18 12:32:41,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:41,218 INFO L93 Difference]: Finished difference Result 1192 states and 1911 transitions. [2018-11-18 12:32:41,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:32:41,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-11-18 12:32:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:41,221 INFO L225 Difference]: With dead ends: 1192 [2018-11-18 12:32:41,222 INFO L226 Difference]: Without dead ends: 528 [2018-11-18 12:32:41,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:32:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-18 12:32:41,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2018-11-18 12:32:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-11-18 12:32:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 782 transitions. [2018-11-18 12:32:41,239 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 782 transitions. Word has length 144 [2018-11-18 12:32:41,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:41,240 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 782 transitions. [2018-11-18 12:32:41,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:32:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 782 transitions. [2018-11-18 12:32:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:32:41,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:41,243 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:41,243 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:41,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:41,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1935386109, now seen corresponding path program 1 times [2018-11-18 12:32:41,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:41,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:41,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:41,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:41,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:41,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:32:41,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:41,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:32:41,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:32:41,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:32:41,362 INFO L87 Difference]: Start difference. First operand 528 states and 782 transitions. Second operand 3 states. [2018-11-18 12:32:41,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:41,804 INFO L93 Difference]: Finished difference Result 1493 states and 2284 transitions. [2018-11-18 12:32:41,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:32:41,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-18 12:32:41,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:41,809 INFO L225 Difference]: With dead ends: 1493 [2018-11-18 12:32:41,809 INFO L226 Difference]: Without dead ends: 971 [2018-11-18 12:32:41,812 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:32:41,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-11-18 12:32:41,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2018-11-18 12:32:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2018-11-18 12:32:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2018-11-18 12:32:41,840 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 148 [2018-11-18 12:32:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:41,841 INFO L480 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2018-11-18 12:32:41,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:32:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2018-11-18 12:32:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:32:41,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:41,845 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:32:41,846 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:41,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:41,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1185891811, now seen corresponding path program 1 times [2018-11-18 12:32:41,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:41,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:41,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:41,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:41,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:41,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:32:41,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:41,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:32:41,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:32:41,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:32:41,967 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand 6 states. [2018-11-18 12:32:42,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:42,618 INFO L93 Difference]: Finished difference Result 2867 states and 4269 transitions. [2018-11-18 12:32:42,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:32:42,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 12:32:42,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:42,624 INFO L225 Difference]: With dead ends: 2867 [2018-11-18 12:32:42,624 INFO L226 Difference]: Without dead ends: 1902 [2018-11-18 12:32:42,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:32:42,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2018-11-18 12:32:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1873. [2018-11-18 12:32:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1873 states. [2018-11-18 12:32:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2527 transitions. [2018-11-18 12:32:42,662 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2527 transitions. Word has length 164 [2018-11-18 12:32:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:42,662 INFO L480 AbstractCegarLoop]: Abstraction has 1873 states and 2527 transitions. [2018-11-18 12:32:42,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:32:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2527 transitions. [2018-11-18 12:32:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:32:42,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:42,666 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:42,666 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:42,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:42,667 INFO L82 PathProgramCache]: Analyzing trace with hash -151226562, now seen corresponding path program 1 times [2018-11-18 12:32:42,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:42,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:42,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:42,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:42,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:42,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:42,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:42,739 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-11-18 12:32:42,741 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:32:42,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:32:42,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:32:43,143 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:32:43,144 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Performed 1714 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1714 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 12:32:43,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:43,149 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:32:43,398 INFO L227 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 80.61% of their original sizes. [2018-11-18 12:32:43,398 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:32:43,431 INFO L415 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-11-18 12:32:43,431 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:32:43,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:32:43,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 12:32:43,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:43,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:32:43,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:32:43,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:32:43,432 INFO L87 Difference]: Start difference. First operand 1873 states and 2527 transitions. Second operand 6 states. [2018-11-18 12:32:45,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:45,483 INFO L93 Difference]: Finished difference Result 3878 states and 5218 transitions. [2018-11-18 12:32:45,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:32:45,483 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2018-11-18 12:32:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:45,490 INFO L225 Difference]: With dead ends: 3878 [2018-11-18 12:32:45,490 INFO L226 Difference]: Without dead ends: 2011 [2018-11-18 12:32:45,493 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:32:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2018-11-18 12:32:45,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2009. [2018-11-18 12:32:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-11-18 12:32:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2669 transitions. [2018-11-18 12:32:45,527 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2669 transitions. Word has length 177 [2018-11-18 12:32:45,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:45,528 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2669 transitions. [2018-11-18 12:32:45,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:32:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2669 transitions. [2018-11-18 12:32:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 12:32:45,532 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:45,532 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:45,532 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:45,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1836874565, now seen corresponding path program 1 times [2018-11-18 12:32:45,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:45,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:45,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:45,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:45,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:32:45,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:45,609 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:45,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-18 12:32:45,610 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:32:45,613 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:32:45,613 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:32:45,836 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:32:45,837 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Performed 3434 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3434 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:32:45,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:45,842 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:32:46,032 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 82.03% of their original sizes. [2018-11-18 12:32:46,032 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:32:46,090 INFO L415 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-11-18 12:32:46,090 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:32:46,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:32:46,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:32:46,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:46,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:32:46,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:32:46,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:32:46,092 INFO L87 Difference]: Start difference. First operand 2009 states and 2669 transitions. Second operand 10 states. [2018-11-18 12:32:50,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:50,332 INFO L93 Difference]: Finished difference Result 4017 states and 5385 transitions. [2018-11-18 12:32:50,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:32:50,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2018-11-18 12:32:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:50,337 INFO L225 Difference]: With dead ends: 4017 [2018-11-18 12:32:50,338 INFO L226 Difference]: Without dead ends: 2150 [2018-11-18 12:32:50,341 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:32:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2018-11-18 12:32:50,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2147. [2018-11-18 12:32:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2147 states. [2018-11-18 12:32:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 2817 transitions. [2018-11-18 12:32:50,378 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 2817 transitions. Word has length 186 [2018-11-18 12:32:50,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:50,379 INFO L480 AbstractCegarLoop]: Abstraction has 2147 states and 2817 transitions. [2018-11-18 12:32:50,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:32:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2817 transitions. [2018-11-18 12:32:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 12:32:50,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:50,384 INFO L375 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:50,385 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:50,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:50,385 INFO L82 PathProgramCache]: Analyzing trace with hash -315492441, now seen corresponding path program 1 times [2018-11-18 12:32:50,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:50,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:50,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:50,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:50,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:32:50,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:50,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:50,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-18 12:32:50,482 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:32:50,486 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:32:50,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:32:50,645 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:32:50,645 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Performed 3491 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:32:50,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:50,654 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:32:50,863 INFO L227 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 81.96% of their original sizes. [2018-11-18 12:32:50,863 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:32:50,924 INFO L415 sIntCurrentIteration]: We unified 218 AI predicates to 218 [2018-11-18 12:32:50,924 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:32:50,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:32:50,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:32:50,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:50,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:32:50,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:32:50,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:32:50,925 INFO L87 Difference]: Start difference. First operand 2147 states and 2817 transitions. Second operand 10 states. [2018-11-18 12:32:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:53,443 INFO L93 Difference]: Finished difference Result 4294 states and 5684 transitions. [2018-11-18 12:32:53,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:32:53,443 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2018-11-18 12:32:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:53,450 INFO L225 Difference]: With dead ends: 4294 [2018-11-18 12:32:53,450 INFO L226 Difference]: Without dead ends: 2427 [2018-11-18 12:32:53,453 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:32:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2018-11-18 12:32:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2424. [2018-11-18 12:32:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2424 states. [2018-11-18 12:32:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3116 transitions. [2018-11-18 12:32:53,490 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3116 transitions. Word has length 219 [2018-11-18 12:32:53,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:53,491 INFO L480 AbstractCegarLoop]: Abstraction has 2424 states and 3116 transitions. [2018-11-18 12:32:53,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:32:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3116 transitions. [2018-11-18 12:32:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 12:32:53,497 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:53,497 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:53,497 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:53,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:53,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1938544868, now seen corresponding path program 1 times [2018-11-18 12:32:53,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:53,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:53,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:53,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:53,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 95 proven. 49 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:32:53,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:53,598 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:53,598 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-18 12:32:53,599 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:32:53,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:32:53,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:32:53,971 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:32:53,971 INFO L272 AbstractInterpreter]: Visited 138 different actions 552 times. Merged at 8 different actions 33 times. Never widened. Performed 7366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 12:32:53,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:53,978 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:32:54,172 INFO L227 lantSequenceWeakener]: Weakened 225 states. On average, predicates are now at 83.84% of their original sizes. [2018-11-18 12:32:54,172 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:32:54,224 INFO L415 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-11-18 12:32:54,224 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:32:54,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:32:54,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-18 12:32:54,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:54,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:32:54,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:32:54,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:32:54,225 INFO L87 Difference]: Start difference. First operand 2424 states and 3116 transitions. Second operand 9 states. [2018-11-18 12:32:56,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:56,265 INFO L93 Difference]: Finished difference Result 5535 states and 7328 transitions. [2018-11-18 12:32:56,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 12:32:56,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2018-11-18 12:32:56,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:56,278 INFO L225 Difference]: With dead ends: 5535 [2018-11-18 12:32:56,278 INFO L226 Difference]: Without dead ends: 3668 [2018-11-18 12:32:56,284 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:32:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2018-11-18 12:32:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3606. [2018-11-18 12:32:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3606 states. [2018-11-18 12:32:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 4597 transitions. [2018-11-18 12:32:56,365 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 4597 transitions. Word has length 228 [2018-11-18 12:32:56,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:56,366 INFO L480 AbstractCegarLoop]: Abstraction has 3606 states and 4597 transitions. [2018-11-18 12:32:56,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:32:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 4597 transitions. [2018-11-18 12:32:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 12:32:56,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:56,376 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:56,377 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:56,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:56,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1391516712, now seen corresponding path program 1 times [2018-11-18 12:32:56,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:56,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:56,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:56,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:56,378 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:32:56,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:56,523 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:56,523 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-18 12:32:56,523 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:32:56,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:32:56,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:32:56,924 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:32:56,925 INFO L272 AbstractInterpreter]: Visited 139 different actions 558 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 7626 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7626 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 12:32:56,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:56,931 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:32:56,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:56,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:32:56,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:56,939 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:32:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:57,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 12:32:57,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:32:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:32:57,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:32:57,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 12:32:57,392 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:32:57,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:32:57,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:32:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:32:57,393 INFO L87 Difference]: Start difference. First operand 3606 states and 4597 transitions. Second operand 11 states. [2018-11-18 12:32:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:58,566 INFO L93 Difference]: Finished difference Result 7815 states and 10095 transitions. [2018-11-18 12:32:58,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:32:58,567 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-18 12:32:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:58,581 INFO L225 Difference]: With dead ends: 7815 [2018-11-18 12:32:58,581 INFO L226 Difference]: Without dead ends: 4630 [2018-11-18 12:32:58,589 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 463 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:32:58,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2018-11-18 12:32:58,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 4601. [2018-11-18 12:32:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4601 states. [2018-11-18 12:32:58,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4601 states to 4601 states and 5694 transitions. [2018-11-18 12:32:58,692 INFO L78 Accepts]: Start accepts. Automaton has 4601 states and 5694 transitions. Word has length 231 [2018-11-18 12:32:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:58,692 INFO L480 AbstractCegarLoop]: Abstraction has 4601 states and 5694 transitions. [2018-11-18 12:32:58,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:32:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4601 states and 5694 transitions. [2018-11-18 12:32:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 12:32:58,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:58,705 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:58,706 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:58,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:58,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1335216166, now seen corresponding path program 2 times [2018-11-18 12:32:58,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:32:58,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:58,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:58,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:58,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:32:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 12:32:58,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:58,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:32:58,836 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-18 12:32:58,836 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-18 12:32:58,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:58,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:32:58,845 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:32:58,845 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-18 12:32:58,906 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-18 12:32:58,906 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:32:58,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 12:32:58,992 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:32:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 12:32:59,085 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:32:59,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 12:32:59,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:32:59,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:32:59,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:32:59,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:32:59,086 INFO L87 Difference]: Start difference. First operand 4601 states and 5694 transitions. Second operand 3 states. [2018-11-18 12:32:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:59,425 INFO L93 Difference]: Finished difference Result 10495 states and 13263 transitions. [2018-11-18 12:32:59,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:32:59,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2018-11-18 12:32:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:59,426 INFO L225 Difference]: With dead ends: 10495 [2018-11-18 12:32:59,426 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:32:59,444 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 461 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:32:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:32:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:32:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:32:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:32:59,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2018-11-18 12:32:59,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:59,445 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:32:59,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:32:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:32:59,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:32:59,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:32:59,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:32:59,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:33:00,359 WARN L180 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 91 [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:33:00,556 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,556 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,557 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 12:33:00,558 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,559 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 12:33:00,560 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 12:33:00,561 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 12:33:00,562 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 12:33:00,563 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 12:33:00,564 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,565 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 12:33:00,566 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (= 1 ~a17~0))) (let ((.cse20 (= ~a7~0 0)) (.cse19 (= ~a21~0 1)) (.cse22 (or (not (= ~a7~0 ~a17~0)) (not .cse8))) (.cse24 (= |old(~a8~0)| ~a8~0)) (.cse25 (= |old(~a20~0)| ~a20~0)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse23 (= 1 |old(~a17~0)|))) (let ((.cse10 (not .cse23)) (.cse15 (not (= 15 |old(~a8~0)|))) (.cse17 (not (= 5 |old(~a16~0)|))) (.cse16 (= ~a17~0 1)) (.cse14 (= 6 |old(~a16~0)|)) (.cse21 (and .cse24 .cse25 .cse26)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse12 (and .cse24 .cse25 .cse26 .cse22)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse9 (= 13 |old(~a8~0)|)) (.cse3 (= 0 |old(~a16~0)|)) (.cse5 (and .cse20 .cse19)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse7 (= 0 |old(~a8~0)|)) (.cse18 (< 4 |old(~a16~0)|)) (.cse11 (and (= |old(~a7~0)| |old(~a17~0)|) .cse23)) (.cse4 (not (= 8 ~a12~0))) (.cse13 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse2 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a21~0) .cse8) .cse4 (not (= 1 |old(~a7~0)|)) (not .cse9) .cse10) (or .cse9 .cse11 .cse4 .cse12 .cse13) (or (= ~a17~0 0) .cse6 (or (not .cse14) .cse0 .cse1 .cse2 .cse15 (not (= 0 |old(~a17~0)|)) .cse4)) (or .cse16 .cse6 (or .cse0 .cse1 .cse15 (not (= 0 |old(~a20~0)|)) .cse17 .cse4 .cse10)) (or .cse0 .cse1 .cse18 .cse3 .cse4 .cse6 .cse7 (and .cse19 .cse20) .cse13) (or .cse21 .cse18 .cse4 .cse13) (or .cse0 .cse1 .cse4 .cse6 .cse10 .cse2 .cse15 .cse17 .cse16) (or .cse14 .cse2 .cse21 .cse4) (or .cse2 .cse11 .cse4 .cse12) (or .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6 .cse7 .cse13) (or .cse18 .cse22 .cse11 .cse4 .cse13))))) [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,567 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 12:33:00,568 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 12:33:00,569 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 12:33:00,570 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 12:33:00,571 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:33:00,572 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 12:33:00,572 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:33:00,572 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:33:00,573 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 12:33:00,573 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:33:00,573 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse0 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse2 (= 1 ~a20~0))) (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and .cse0 (not (= ~a8~0 13)) .cse1) (not (= 8 ~a12~0)) (and .cse1 (<= ~a16~0 4)) (and .cse2 .cse0) (not (= 1 |old(~a17~0)|)) (and .cse2 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)))) [2018-11-18 12:33:00,573 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 12:33:00,573 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 12:33:00,573 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 12:33:00,573 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse0 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse2 (= 1 ~a20~0))) (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and .cse0 (not (= ~a8~0 13)) .cse1) (not (= 8 ~a12~0)) (and .cse1 (<= ~a16~0 4)) (and .cse2 .cse0) (not (= 1 |old(~a17~0)|)) (and .cse2 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)))) [2018-11-18 12:33:00,573 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:33:00,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:33:00 BoogieIcfgContainer [2018-11-18 12:33:00,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:33:00,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:33:00,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:33:00,594 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:33:00,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:38" (3/4) ... [2018-11-18 12:33:00,598 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:33:00,601 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:33:00,601 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:33:00,602 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:33:00,611 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:33:00,612 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:33:00,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \old(a7)) || !(1 == \old(a21))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || !(8 == a12)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || !(1 == \old(a17))) || (1 == a20 && !(a16 == 6))) || !(1 == \old(a20))) || !(15 == \old(a8))) || !(5 == \old(a16)) [2018-11-18 12:33:00,708 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51456e98-ca6d-4cd9-b7f8-d04ed2d29467/bin-2019/utaipan/witness.graphml [2018-11-18 12:33:00,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:33:00,709 INFO L168 Benchmark]: Toolchain (without parser) took 24015.99 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 956.4 MB in the beginning and 769.7 MB in the end (delta: 186.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,710 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:33:00,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -259.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,711 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,711 INFO L168 Benchmark]: RCFGBuilder took 990.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,711 INFO L168 Benchmark]: TraceAbstraction took 22400.10 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 950.0 MB). Free memory was 1.1 GB in the beginning and 786.1 MB in the end (delta: 282.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,711 INFO L168 Benchmark]: Witness Printer took 114.72 ms. Allocated memory is still 2.2 GB. Free memory was 786.1 MB in the beginning and 769.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:33:00,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -259.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 990.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22400.10 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 950.0 MB). Free memory was 1.1 GB in the beginning and 786.1 MB in the end (delta: 282.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 114.72 ms. Allocated memory is still 2.2 GB. Free memory was 786.1 MB in the beginning and 769.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((!(0 == \old(a7)) || !(1 == \old(a21))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || !(8 == a12)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || !(1 == \old(a17))) || (1 == a20 && !(a16 == 6))) || !(1 == \old(a20))) || !(15 == \old(a8))) || !(5 == \old(a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 22.3s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 15.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1430 SDtfs, 6787 SDslu, 1783 SDs, 0 SdLazy, 8341 SolverSat, 1465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1823 GetRequests, 1716 SyntacticMatches, 9 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4601occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9972928730928358 AbsIntWeakeningRatio, 0.20347394540942929 AbsIntAvgWeakeningVarsNumRemoved, 28.8424317617866 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 293 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 152 PreInvPairs, 234 NumberOfFragments, 629 HoareAnnotationTreeSize, 152 FomulaSimplifications, 8713 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3847 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2465 NumberOfCodeBlocks, 2398 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2912 ConstructedInterpolants, 0 QuantifiedInterpolants, 1572067 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1012 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1343/1560 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...