./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/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 1420a5dac3676d838e2b742b3a84faa6df74a9e1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/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 1420a5dac3676d838e2b742b3a84faa6df74a9e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:20:14,081 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:20:14,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:20:14,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:20:14,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:20:14,098 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:20:14,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:20:14,101 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:20:14,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:20:14,104 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:20:14,105 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:20:14,105 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:20:14,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:20:14,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:20:14,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:20:14,110 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:20:14,110 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:20:14,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:20:14,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:20:14,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:20:14,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:20:14,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:20:14,121 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:20:14,121 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:20:14,121 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:20:14,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:20:14,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:20:14,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:20:14,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:20:14,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:20:14,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:20:14,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:20:14,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:20:14,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:20:14,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:20:14,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:20:14,131 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:20:14,145 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:20:14,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:20:14,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:20:14,146 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:20:14,146 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:20:14,146 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:20:14,147 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:20:14,147 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:20:14,147 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:20:14,148 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:20:14,148 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:20:14,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:20:14,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:20:14,150 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:20:14,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:20:14,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:20:14,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:20:14,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:20:14,153 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:20:14,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:20:14,153 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:20:14,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:20:14,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:20:14,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:20:14,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:20:14,154 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:20:14,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:20:14,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:20:14,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:20:14,155 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_116ba35e-f521-462e-9140-2878dcbc710a/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 -> 1420a5dac3676d838e2b742b3a84faa6df74a9e1 [2018-10-26 21:20:14,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:20:14,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:20:14,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:20:14,205 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:20:14,206 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:20:14,206 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:14,261 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/aaf1b331b/09ceff0763d34338afe24361f037b208/FLAGadb56ccd1 [2018-10-26 21:20:14,806 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:20:14,807 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:14,828 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/aaf1b331b/09ceff0763d34338afe24361f037b208/FLAGadb56ccd1 [2018-10-26 21:20:14,840 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/aaf1b331b/09ceff0763d34338afe24361f037b208 [2018-10-26 21:20:14,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:20:14,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:20:14,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:14,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:20:14,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:20:14,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:14" (1/1) ... [2018-10-26 21:20:14,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef510a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:14, skipping insertion in model container [2018-10-26 21:20:14,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:14" (1/1) ... [2018-10-26 21:20:14,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:20:14,930 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:20:15,712 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:15,725 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:20:16,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:16,076 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:20:16,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16 WrapperNode [2018-10-26 21:20:16,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:16,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:16,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:20:16,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:20:16,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:16,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:20:16,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:20:16,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:20:16,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... [2018-10-26 21:20:16,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:20:16,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:20:16,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:20:16,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:20:16,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/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 [2018-10-26 21:20:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:20:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:20:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:20:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:20:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-10-26 21:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-10-26 21:20:17,198 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 21:20:17,198 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 21:20:18,696 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:20:18,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:18 BoogieIcfgContainer [2018-10-26 21:20:18,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:20:18,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:20:18,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:20:18,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:20:18,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:20:14" (1/3) ... [2018-10-26 21:20:18,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af31a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:20:18, skipping insertion in model container [2018-10-26 21:20:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:16" (2/3) ... [2018-10-26 21:20:18,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af31a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:20:18, skipping insertion in model container [2018-10-26 21:20:18,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:18" (3/3) ... [2018-10-26 21:20:18,709 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:18,719 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:20:18,728 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:20:18,744 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:20:18,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:20:18,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:20:18,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:20:18,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:20:18,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:20:18,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:20:18,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:20:18,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:20:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-10-26 21:20:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:20:18,807 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:18,808 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] [2018-10-26 21:20:18,810 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:18,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:18,817 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-10-26 21:20:18,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:18,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:18,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:18,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:18,876 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:19,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:19,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:19,222 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:19,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:19,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:19,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:19,241 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-10-26 21:20:19,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:19,647 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-10-26 21:20:19,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:19,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 21:20:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:19,671 INFO L225 Difference]: With dead ends: 382 [2018-10-26 21:20:19,673 INFO L226 Difference]: Without dead ends: 221 [2018-10-26 21:20:19,677 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-10-26 21:20:19,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-10-26 21:20:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-10-26 21:20:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-10-26 21:20:19,746 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-10-26 21:20:19,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:19,747 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-10-26 21:20:19,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-10-26 21:20:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:20:19,750 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:19,751 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] [2018-10-26 21:20:19,751 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:19,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:19,752 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-10-26 21:20:19,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:19,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:19,755 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:19,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:19,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:19,981 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:19,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:19,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:19,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:19,985 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-10-26 21:20:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:20,174 INFO L93 Difference]: Finished difference Result 427 states and 636 transitions. [2018-10-26 21:20:20,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:20,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-26 21:20:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:20,179 INFO L225 Difference]: With dead ends: 427 [2018-10-26 21:20:20,179 INFO L226 Difference]: Without dead ends: 321 [2018-10-26 21:20:20,187 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:20,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-10-26 21:20:20,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-10-26 21:20:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-10-26 21:20:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-10-26 21:20:20,237 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-10-26 21:20:20,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:20,238 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-10-26 21:20:20,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-10-26 21:20:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 21:20:20,253 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:20,253 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 21:20:20,253 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:20,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:20,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1003210759, now seen corresponding path program 1 times [2018-10-26 21:20:20,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:20,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:20,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:20,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:20,256 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:20:20,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:20,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:20,513 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:20,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:20,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:20,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:20,516 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-10-26 21:20:20,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:20,802 INFO L93 Difference]: Finished difference Result 631 states and 936 transitions. [2018-10-26 21:20:20,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:20,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-26 21:20:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:20,810 INFO L225 Difference]: With dead ends: 631 [2018-10-26 21:20:20,811 INFO L226 Difference]: Without dead ends: 425 [2018-10-26 21:20:20,815 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-10-26 21:20:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-10-26 21:20:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-10-26 21:20:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 627 transitions. [2018-10-26 21:20:20,865 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 627 transitions. Word has length 66 [2018-10-26 21:20:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:20,866 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 627 transitions. [2018-10-26 21:20:20,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 627 transitions. [2018-10-26 21:20:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:20:20,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:20,876 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:20,876 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:20,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:20,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1151074920, now seen corresponding path program 1 times [2018-10-26 21:20:20,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:20,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:20,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:20,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:20,878 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:20:21,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:21,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:21,101 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:21,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:21,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:21,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:21,104 INFO L87 Difference]: Start difference. First operand 425 states and 627 transitions. Second operand 3 states. [2018-10-26 21:20:21,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:21,338 INFO L93 Difference]: Finished difference Result 839 states and 1246 transitions. [2018-10-26 21:20:21,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:21,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-10-26 21:20:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:21,343 INFO L225 Difference]: With dead ends: 839 [2018-10-26 21:20:21,343 INFO L226 Difference]: Without dead ends: 529 [2018-10-26 21:20:21,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:21,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-10-26 21:20:21,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2018-10-26 21:20:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-10-26 21:20:21,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 783 transitions. [2018-10-26 21:20:21,380 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 783 transitions. Word has length 87 [2018-10-26 21:20:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:21,385 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 783 transitions. [2018-10-26 21:20:21,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 783 transitions. [2018-10-26 21:20:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:20:21,388 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:21,389 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:21,389 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:21,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:21,389 INFO L82 PathProgramCache]: Analyzing trace with hash -775192899, now seen corresponding path program 1 times [2018-10-26 21:20:21,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:21,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:21,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:21,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:21,393 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:20:21,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:21,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:20:21,782 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:21,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:20:21,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:20:21,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:20:21,783 INFO L87 Difference]: Start difference. First operand 529 states and 783 transitions. Second operand 4 states. [2018-10-26 21:20:22,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:22,700 INFO L93 Difference]: Finished difference Result 1517 states and 2252 transitions. [2018-10-26 21:20:22,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:20:22,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-10-26 21:20:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:22,706 INFO L225 Difference]: With dead ends: 1517 [2018-10-26 21:20:22,706 INFO L226 Difference]: Without dead ends: 1001 [2018-10-26 21:20:22,708 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:20:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-10-26 21:20:22,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 648. [2018-10-26 21:20:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2018-10-26 21:20:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 972 transitions. [2018-10-26 21:20:22,740 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 972 transitions. Word has length 109 [2018-10-26 21:20:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:22,741 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 972 transitions. [2018-10-26 21:20:22,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:20:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 972 transitions. [2018-10-26 21:20:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:20:22,743 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:22,743 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:22,745 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:22,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:22,745 INFO L82 PathProgramCache]: Analyzing trace with hash 178747259, now seen corresponding path program 1 times [2018-10-26 21:20:22,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:22,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:22,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:22,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:22,747 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:23,129 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:20:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:20:23,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:23,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:20:23,359 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:23,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:20:23,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:20:23,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:20:23,360 INFO L87 Difference]: Start difference. First operand 648 states and 972 transitions. Second operand 6 states. [2018-10-26 21:20:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:25,042 INFO L93 Difference]: Finished difference Result 1243 states and 1864 transitions. [2018-10-26 21:20:25,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:20:25,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-26 21:20:25,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:25,047 INFO L225 Difference]: With dead ends: 1243 [2018-10-26 21:20:25,048 INFO L226 Difference]: Without dead ends: 732 [2018-10-26 21:20:25,049 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:20:25,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-10-26 21:20:25,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 657. [2018-10-26 21:20:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-10-26 21:20:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 986 transitions. [2018-10-26 21:20:25,078 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 986 transitions. Word has length 109 [2018-10-26 21:20:25,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:25,083 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 986 transitions. [2018-10-26 21:20:25,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:20:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 986 transitions. [2018-10-26 21:20:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:20:25,086 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:25,086 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:25,086 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:25,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:25,087 INFO L82 PathProgramCache]: Analyzing trace with hash -914242236, now seen corresponding path program 1 times [2018-10-26 21:20:25,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:25,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:25,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:25,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:25,090 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:25,540 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:20:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:20:25,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:25,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:20:25,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:20:25,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:20:25,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:20:25,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:20:25,610 INFO L87 Difference]: Start difference. First operand 657 states and 986 transitions. Second operand 6 states. [2018-10-26 21:20:26,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:26,646 INFO L93 Difference]: Finished difference Result 1240 states and 1860 transitions. [2018-10-26 21:20:26,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:20:26,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-10-26 21:20:26,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:26,651 INFO L225 Difference]: With dead ends: 1240 [2018-10-26 21:20:26,652 INFO L226 Difference]: Without dead ends: 729 [2018-10-26 21:20:26,653 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:20:26,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-10-26 21:20:26,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 658. [2018-10-26 21:20:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-10-26 21:20:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 987 transitions. [2018-10-26 21:20:26,681 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 987 transitions. Word has length 110 [2018-10-26 21:20:26,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:26,681 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 987 transitions. [2018-10-26 21:20:26,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:20:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 987 transitions. [2018-10-26 21:20:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 21:20:26,685 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:26,685 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:26,685 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:26,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:26,685 INFO L82 PathProgramCache]: Analyzing trace with hash -2142717643, now seen corresponding path program 1 times [2018-10-26 21:20:26,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:20:26,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:26,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:26,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:20:26,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:20:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:20:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:20:27,321 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:20:27,353 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,354 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,355 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,356 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,356 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,357 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:20:27,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:20:27 BoogieIcfgContainer [2018-10-26 21:20:27,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:20:27,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:20:27,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:20:27,454 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:20:27,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:18" (3/4) ... [2018-10-26 21:20:27,460 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:20:27,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:20:27,468 INFO L168 Benchmark]: Toolchain (without parser) took 12625.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 950.0 MB in the beginning and 825.4 MB in the end (delta: 124.5 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,469 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:20:27,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1232.03 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 778.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 778.0 MB in the beginning and 1.1 GB in the end (delta: -350.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,471 INFO L168 Benchmark]: Boogie Preprocessor took 117.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,475 INFO L168 Benchmark]: RCFGBuilder took 2278.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 154.0 MB). Peak memory consumption was 154.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,476 INFO L168 Benchmark]: TraceAbstraction took 8753.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 962.3 MB in the beginning and 825.4 MB in the end (delta: 136.8 MB). Peak memory consumption was 229.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:20:27,478 INFO L168 Benchmark]: Witness Printer took 13.57 ms. Allocated memory is still 1.3 GB. Free memory is still 825.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:20:27,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1232.03 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 778.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 225.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 778.0 MB in the beginning and 1.1 GB in the end (delta: -350.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2278.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 154.0 MB). Peak memory consumption was 154.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8753.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 962.3 MB in the beginning and 825.4 MB in the end (delta: 136.8 MB). Peak memory consumption was 229.6 MB. Max. memory is 11.5 GB. * Witness Printer took 13.57 ms. Allocated memory is still 1.3 GB. Free memory is still 825.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1643]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1338. Possible FailurePath: [L1042] static int init = 1; [L1043] CALL static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1065] EXPR, FCALL malloc(sizeof(SSL)) [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1069] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1069] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1069] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1070] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1070] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1071] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1071] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1071] RET s->session = malloc(sizeof(SSL_SESSION)) [L1072] CALL s->state = 12292 [L1072] RET s->state = 12292 [L1073] CALL s->version = __VERIFIER_nondet_int() [L1073] RET s->version = __VERIFIER_nondet_int() [L1074] CALL ssl3_connect(s) VAL [init=1, SSLv3_client_data={20490:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int *tmp___0 = __VERIFIER_nondet_pointer() ; [L1090] int tmp___1 = __VERIFIER_nondet_int() ; [L1091] int tmp___2 = __VERIFIER_nondet_int() ; [L1092] int tmp___3 = __VERIFIER_nondet_int() ; [L1093] int tmp___4 = __VERIFIER_nondet_int() ; [L1094] int tmp___5 = __VERIFIER_nondet_int() ; [L1095] int tmp___6 = __VERIFIER_nondet_int() ; [L1096] int tmp___7 = __VERIFIER_nondet_int() ; [L1097] int tmp___8 = __VERIFIER_nondet_int() ; [L1098] long tmp___9 = __VERIFIER_nondet_long() ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] CALL s->hit=__VERIFIER_nondet_int () [L1103] RET s->hit=__VERIFIER_nondet_int () [L1104] CALL s->state = 12292 [L1104] RET s->state = 12292 [L1105] tmp = __VERIFIER_nondet_int() [L1106] cb = (void (*)())((void *)0) [L1107] ret = -1 [L1108] skip = 0 [L1109] CALL *tmp___0 = 0 [L1109] RET *tmp___0 = 0 [L1110] CALL, EXPR s->info_callback [L1110] RET, EXPR s->info_callback [L1110] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1111] CALL, EXPR s->info_callback [L1111] RET, EXPR s->info_callback [L1111] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND TRUE s->state == 12292 [L1236] CALL s->new_session = 1 [L1236] RET s->new_session = 1 [L1237] CALL s->state = 4096 [L1237] RET s->state = 4096 [L1238] CALL, EXPR s->ctx [L1238] RET, EXPR s->ctx [L1238] CALL, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] RET, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] CALL (s->ctx)->stats.sess_connect_renegotiate += 1 [L1238] RET (s->ctx)->stats.sess_connect_renegotiate += 1 [L1243] CALL s->server = 0 [L1243] RET s->server = 0 [L1244] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [init=1, SSLv3_client_data={20490:0}] [L1249] CALL, EXPR s->version [L1249] RET, EXPR s->version [L1249] COND FALSE !((s->version & 65280) != 768) [L1255] CALL s->type = 4096 [L1255] RET s->type = 4096 [L1256] CALL, EXPR s->init_buf [L1256] RET, EXPR s->init_buf [L1256] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1274] COND FALSE !(! tmp___4) VAL [init=1, SSLv3_client_data={20490:0}] [L1280] COND FALSE !(! tmp___5) [L1286] CALL s->state = 4368 [L1286] RET s->state = 4368 [L1287] CALL, EXPR s->ctx [L1287] RET, EXPR s->ctx [L1287] CALL, EXPR (s->ctx)->stats.sess_connect [L1287] RET, EXPR (s->ctx)->stats.sess_connect [L1287] CALL (s->ctx)->stats.sess_connect += 1 [L1287] RET (s->ctx)->stats.sess_connect += 1 [L1288] CALL s->init_num = 0 [L1288] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND TRUE s->state == 4368 [L1292] CALL s->shutdown = 0 [L1292] RET s->shutdown = 0 [L1293] ret = __VERIFIER_nondet_int() [L1294] COND TRUE blastFlag == 0 [L1295] blastFlag = 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1299] COND FALSE !(ret <= 0) [L1304] CALL s->state = 4384 [L1304] RET s->state = 4384 [L1305] CALL s->init_num = 0 [L1305] RET s->init_num = 0 [L1306] CALL, EXPR s->bbio [L1306] RET, EXPR s->bbio [L1306] CALL, EXPR s->wbio [L1306] RET, EXPR s->wbio [L1306] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND TRUE s->state == 4384 [L1314] ret = __VERIFIER_nondet_int() [L1315] COND TRUE blastFlag == 1 [L1316] blastFlag = 2 VAL [init=1, SSLv3_client_data={20490:0}] [L1324] COND FALSE !(ret <= 0) [L1329] CALL s->hit [L1329] RET s->hit [L1329] COND FALSE !(s->hit) [L1332] CALL s->state = 4400 [L1332] RET s->state = 4400 [L1334] CALL s->init_num = 0 [L1334] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND TRUE s->state == 4400 [L1338] CALL, EXPR s->s3 [L1338] RET, EXPR s->s3 [L1338] CALL, EXPR (s->s3)->tmp.new_cipher [L1338] RET, EXPR (s->s3)->tmp.new_cipher [L1338] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 2 [L1343] blastFlag = 3 VAL [init=1, SSLv3_client_data={20490:0}] [L1347] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_client_data={20490:0}] [L1353] CALL s->state = 4416 [L1353] RET s->state = 4416 [L1354] CALL s->init_num = 0 [L1354] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND TRUE s->state == 4416 [L1358] ret = __VERIFIER_nondet_int() [L1359] COND TRUE blastFlag == 3 [L1360] blastFlag = 4 VAL [init=1, SSLv3_client_data={20490:0}] [L1364] COND FALSE !(ret <= 0) [L1369] CALL s->state = 4432 [L1369] RET s->state = 4432 [L1370] CALL s->init_num = 0 [L1370] RET s->init_num = 0 [L1371] COND FALSE !(! tmp___6) VAL [init=1, SSLv3_client_data={20490:0}] [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 4416) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 4417) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 4432 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 4 VAL [init=1, SSLv3_client_data={20490:0}] [L1643] __VERIFIER_error() VAL [init=1, SSLv3_client_data={20490:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 141 locations, 1 error locations. UNSAFE Result, 8.6s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1204 SDtfs, 1238 SDslu, 1282 SDs, 0 SdLazy, 731 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 499 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 114390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 500/500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:20:29,741 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-10-26 21:20:29,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:20:29,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:20:29,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:20:29,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:20:29,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:20:29,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:20:29,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:20:29,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:20:29,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:20:29,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:20:29,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:20:29,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:20:29,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:20:29,788 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:20:29,802 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:20:29,802 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:20:29,803 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:20:29,804 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:20:29,804 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:20:29,804 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:20:29,804 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:20:29,804 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:20:29,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:20:29,805 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:20:29,805 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:20:29,806 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:20:29,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:20:29,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:20:29,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:20:29,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:20:29,809 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:20:29,809 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:20:29,810 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:20:29,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:20:29,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:20:29,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:20:29,810 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:20:29,811 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:20:29,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:20:29,811 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:20:29,811 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:20:29,811 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_116ba35e-f521-462e-9140-2878dcbc710a/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 -> 1420a5dac3676d838e2b742b3a84faa6df74a9e1 [2018-10-26 21:20:29,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:20:29,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:20:29,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:20:29,870 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:20:29,870 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:20:29,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:29,923 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/cee2f0283/66ee539facd64e6396dc3f0f018cb977/FLAGf8626a46e [2018-10-26 21:20:30,442 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:20:30,447 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:30,467 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/cee2f0283/66ee539facd64e6396dc3f0f018cb977/FLAGf8626a46e [2018-10-26 21:20:30,480 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/data/cee2f0283/66ee539facd64e6396dc3f0f018cb977 [2018-10-26 21:20:30,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:20:30,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:20:30,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:30,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:20:30,494 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:20:30,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:30" (1/1) ... [2018-10-26 21:20:30,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474fd4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:30, skipping insertion in model container [2018-10-26 21:20:30,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:30" (1/1) ... [2018-10-26 21:20:30,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:20:30,590 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:20:31,320 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:31,338 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:20:31,688 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:31,710 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:20:31,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31 WrapperNode [2018-10-26 21:20:31,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:31,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:31,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:20:31,712 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:20:31,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:31,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:31,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:31,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:20:31,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:20:31,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:20:31,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:31,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... [2018-10-26 21:20:32,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:20:32,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:20:32,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:20:32,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:20:32,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/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 [2018-10-26 21:20:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:20:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:20:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:20:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:20:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:20:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:20:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-10-26 21:20:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-10-26 21:20:35,029 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 21:20:35,030 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 21:20:37,091 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:20:37,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:37 BoogieIcfgContainer [2018-10-26 21:20:37,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:20:37,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:20:37,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:20:37,097 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:20:37,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:20:30" (1/3) ... [2018-10-26 21:20:37,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96a5ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:20:37, skipping insertion in model container [2018-10-26 21:20:37,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:31" (2/3) ... [2018-10-26 21:20:37,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96a5ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:20:37, skipping insertion in model container [2018-10-26 21:20:37,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:37" (3/3) ... [2018-10-26 21:20:37,102 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-10-26 21:20:37,109 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:20:37,116 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:20:37,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:20:37,160 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:20:37,161 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:20:37,161 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:20:37,161 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:20:37,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:20:37,162 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:20:37,162 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:20:37,162 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:20:37,162 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:20:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-10-26 21:20:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:20:37,191 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:37,192 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] [2018-10-26 21:20:37,194 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:37,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:37,201 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-10-26 21:20:37,207 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:37,208 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:37,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:37,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:37,451 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:20:37,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:37,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:37,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:37,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:37,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:37,482 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-10-26 21:20:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:37,819 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-10-26 21:20:37,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:37,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 21:20:37,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:37,835 INFO L225 Difference]: With dead ends: 382 [2018-10-26 21:20:37,835 INFO L226 Difference]: Without dead ends: 221 [2018-10-26 21:20:37,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-10-26 21:20:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-10-26 21:20:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-10-26 21:20:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-10-26 21:20:37,902 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-10-26 21:20:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:37,902 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-10-26 21:20:37,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-10-26 21:20:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:20:37,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:37,906 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] [2018-10-26 21:20:37,906 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:37,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:37,907 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-10-26 21:20:37,907 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:37,908 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:37,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:38,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:38,213 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:20:38,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:38,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:38,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:38,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:38,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:38,229 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-10-26 21:20:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:38,472 INFO L93 Difference]: Finished difference Result 427 states and 636 transitions. [2018-10-26 21:20:38,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:38,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-26 21:20:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:38,475 INFO L225 Difference]: With dead ends: 427 [2018-10-26 21:20:38,475 INFO L226 Difference]: Without dead ends: 321 [2018-10-26 21:20:38,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:38,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-10-26 21:20:38,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-10-26 21:20:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-10-26 21:20:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-10-26 21:20:38,501 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-10-26 21:20:38,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:38,502 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-10-26 21:20:38,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-10-26 21:20:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 21:20:38,506 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:38,506 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 21:20:38,506 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:38,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:38,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1003210759, now seen corresponding path program 1 times [2018-10-26 21:20:38,508 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:38,508 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:38,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:38,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:20:38,829 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:20:38,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:38,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:38,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:38,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:38,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:38,836 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-10-26 21:20:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:39,159 INFO L93 Difference]: Finished difference Result 630 states and 935 transitions. [2018-10-26 21:20:39,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:39,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-26 21:20:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:39,164 INFO L225 Difference]: With dead ends: 630 [2018-10-26 21:20:39,164 INFO L226 Difference]: Without dead ends: 424 [2018-10-26 21:20:39,166 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:39,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-10-26 21:20:39,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2018-10-26 21:20:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-10-26 21:20:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 623 transitions. [2018-10-26 21:20:39,227 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 623 transitions. Word has length 66 [2018-10-26 21:20:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:39,228 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 623 transitions. [2018-10-26 21:20:39,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 623 transitions. [2018-10-26 21:20:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:20:39,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:39,240 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:39,241 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:39,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:39,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1151074920, now seen corresponding path program 1 times [2018-10-26 21:20:39,243 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:39,243 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:39,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:39,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:20:39,601 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (5)] Exception during sending of exit command (exit): Broken pipe [2018-10-26 21:20:39,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:39,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:20:39,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:20:39,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:20:39,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:39,612 INFO L87 Difference]: Start difference. First operand 424 states and 623 transitions. Second operand 3 states. [2018-10-26 21:20:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:39,938 INFO L93 Difference]: Finished difference Result 835 states and 1236 transitions. [2018-10-26 21:20:39,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:20:39,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-10-26 21:20:39,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:39,942 INFO L225 Difference]: With dead ends: 835 [2018-10-26 21:20:39,942 INFO L226 Difference]: Without dead ends: 526 [2018-10-26 21:20:39,944 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:20:39,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-10-26 21:20:39,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2018-10-26 21:20:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-10-26 21:20:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2018-10-26 21:20:39,965 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 87 [2018-10-26 21:20:39,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:39,965 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2018-10-26 21:20:39,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:20:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2018-10-26 21:20:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:20:39,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:39,969 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:39,969 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:39,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash -775192899, now seen corresponding path program 1 times [2018-10-26 21:20:39,971 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:39,971 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:40,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:41,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:41,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-26 21:20:41,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 21:20:41,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:41,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:41,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:41,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-10-26 21:20:41,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-10-26 21:20:41,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:42,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 21:20:42,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-10-26 21:20:42,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-26 21:20:42,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-26 21:20:42,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:42,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 21:20:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:20:42,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:20:42,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:42,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:20:42,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:20:42,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:20:42,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:20:42,341 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand 7 states. [2018-10-26 21:20:46,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:20:46,356 INFO L93 Difference]: Finished difference Result 1411 states and 2082 transitions. [2018-10-26 21:20:46,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:20:46,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-10-26 21:20:46,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:20:46,362 INFO L225 Difference]: With dead ends: 1411 [2018-10-26 21:20:46,362 INFO L226 Difference]: Without dead ends: 898 [2018-10-26 21:20:46,363 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:20:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2018-10-26 21:20:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 614. [2018-10-26 21:20:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-10-26 21:20:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 917 transitions. [2018-10-26 21:20:46,405 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 917 transitions. Word has length 109 [2018-10-26 21:20:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:20:46,407 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 917 transitions. [2018-10-26 21:20:46,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:20:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 917 transitions. [2018-10-26 21:20:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:20:46,410 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:20:46,410 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:20:46,410 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:20:46,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:46,410 INFO L82 PathProgramCache]: Analyzing trace with hash 178747259, now seen corresponding path program 1 times [2018-10-26 21:20:46,416 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:20:46,416 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:20:46,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:20:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:49,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:20:49,266 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-26 21:20:49,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2018-10-26 21:20:49,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-10-26 21:20:49,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:49,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 21:20:49,304 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,318 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-10-26 21:20:49,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 21:20:49,344 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,359 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-10-26 21:20:49,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-10-26 21:20:49,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:49,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-10-26 21:20:49,418 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,553 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:49,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-10-26 21:20:49,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:49,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:49,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 46 [2018-10-26 21:20:49,673 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-10-26 21:20:49,774 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 21:20:49,824 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 21:20:49,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 21:20:49,880 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-10-26 21:20:50,233 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2018-10-26 21:20:50,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2018-10-26 21:20:50,310 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:50,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 43 [2018-10-26 21:20:50,314 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,441 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:50,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:50,446 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:50,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 64 [2018-10-26 21:20:50,464 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-26 21:20:50,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:20:50,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-10-26 21:20:50,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:20:50,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 21:20:50,712 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,744 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 21:20:50,811 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-10-26 21:20:50,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-26 21:20:50,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-26 21:20:50,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:20:50,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 21:20:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:20:51,020 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (7)] Exception during sending of exit command (exit): Broken pipe [2018-10-26 21:20:51,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:20:51,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 21:20:51,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:20:51,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:20:51,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:20:51,034 INFO L87 Difference]: Start difference. First operand 614 states and 917 transitions. Second operand 9 states. [2018-10-26 21:21:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:21:01,597 INFO L93 Difference]: Finished difference Result 1177 states and 1757 transitions. [2018-10-26 21:21:01,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 21:21:01,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2018-10-26 21:21:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:21:01,604 INFO L225 Difference]: With dead ends: 1177 [2018-10-26 21:21:01,605 INFO L226 Difference]: Without dead ends: 698 [2018-10-26 21:21:01,606 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-10-26 21:21:01,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2018-10-26 21:21:01,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 623. [2018-10-26 21:21:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-10-26 21:21:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 931 transitions. [2018-10-26 21:21:01,638 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 931 transitions. Word has length 109 [2018-10-26 21:21:01,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:21:01,638 INFO L481 AbstractCegarLoop]: Abstraction has 623 states and 931 transitions. [2018-10-26 21:21:01,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:21:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 931 transitions. [2018-10-26 21:21:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:21:01,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:21:01,641 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:21:01,641 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:21:01,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:21:01,641 INFO L82 PathProgramCache]: Analyzing trace with hash -914242236, now seen corresponding path program 1 times [2018-10-26 21:21:01,642 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:21:01,642 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:21:01,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:21:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:03,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:21:04,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-10-26 21:21:04,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-10-26 21:21:04,032 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-10-26 21:21:04,037 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,055 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-10-26 21:21:04,264 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 46 [2018-10-26 21:21:04,345 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-10-26 21:21:04,392 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 21:21:04,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 21:21:04,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2018-10-26 21:21:04,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-10-26 21:21:04,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 21:21:04,467 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,476 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-10-26 21:21:04,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 21:21:04,503 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,514 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,526 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 21:21:04,577 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-10-26 21:21:04,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2018-10-26 21:21:04,697 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 43 [2018-10-26 21:21:04,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:04,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,803 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:04,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 64 [2018-10-26 21:21:04,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-26 21:21:04,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:21:04,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-10-26 21:21:05,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:21:05,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 21:21:05,061 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:05,104 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:05,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 21:21:05,160 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-10-26 21:21:05,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-26 21:21:05,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-26 21:21:05,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:21:05,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:05,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:21:05,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 21:21:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:21:05,356 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:21:05,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:21:05,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 21:21:05,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:21:05,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:21:05,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:21:05,370 INFO L87 Difference]: Start difference. First operand 623 states and 931 transitions. Second operand 9 states. [2018-10-26 21:21:13,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:21:13,493 INFO L93 Difference]: Finished difference Result 1174 states and 1753 transitions. [2018-10-26 21:21:13,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 21:21:13,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2018-10-26 21:21:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:21:13,499 INFO L225 Difference]: With dead ends: 1174 [2018-10-26 21:21:13,501 INFO L226 Difference]: Without dead ends: 695 [2018-10-26 21:21:13,503 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-10-26 21:21:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-10-26 21:21:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 624. [2018-10-26 21:21:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-10-26 21:21:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 932 transitions. [2018-10-26 21:21:13,534 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 932 transitions. Word has length 110 [2018-10-26 21:21:13,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:21:13,534 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 932 transitions. [2018-10-26 21:21:13,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:21:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 932 transitions. [2018-10-26 21:21:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 21:21:13,536 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:21:13,536 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:21:13,537 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:21:13,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:21:13,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2142717643, now seen corresponding path program 1 times [2018-10-26 21:21:13,538 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:21:13,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:21:13,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:21:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:21:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:21:20,928 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:21:20,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:20,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:20,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:20,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:20,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:20,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:21:21 BoogieIcfgContainer [2018-10-26 21:21:21,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:21:21,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:21:21,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:21:21,045 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:21:21,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:37" (3/4) ... [2018-10-26 21:21:21,050 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:21:21,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:21:21,167 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_116ba35e-f521-462e-9140-2878dcbc710a/bin-2019/utaipan/witness.graphml [2018-10-26 21:21:21,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:21:21,168 INFO L168 Benchmark]: Toolchain (without parser) took 50683.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 946.5 MB in the beginning and 901.3 MB in the end (delta: 45.2 MB). Peak memory consumption was 362.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,169 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:21:21,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1223.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 769.4 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 267.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 769.4 MB in the beginning and 1.1 GB in the end (delta: -360.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,173 INFO L168 Benchmark]: Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,174 INFO L168 Benchmark]: RCFGBuilder took 4959.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,174 INFO L168 Benchmark]: TraceAbstraction took 43951.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 953.7 MB in the beginning and 910.2 MB in the end (delta: 43.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,174 INFO L168 Benchmark]: Witness Printer took 122.52 ms. Allocated memory is still 1.3 GB. Free memory was 910.2 MB in the beginning and 901.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:21,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1223.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 769.4 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 267.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 769.4 MB in the beginning and 1.1 GB in the end (delta: -360.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4959.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43951.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 953.7 MB in the beginning and 910.2 MB in the end (delta: 43.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. * Witness Printer took 122.52 ms. Allocated memory is still 1.3 GB. Free memory was 910.2 MB in the beginning and 901.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1042] static int init = 1; [L1043] CALL static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1065] EXPR, FCALL malloc(sizeof(SSL)) [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1069] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1069] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1069] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1070] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1070] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1071] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1071] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1071] RET s->session = malloc(sizeof(SSL_SESSION)) [L1072] CALL s->state = 12292 [L1072] RET s->state = 12292 [L1073] CALL s->version = __VERIFIER_nondet_int() [L1073] RET s->version = __VERIFIER_nondet_int() [L1074] CALL ssl3_connect(s) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int *tmp___0 = __VERIFIER_nondet_pointer() ; [L1090] int tmp___1 = __VERIFIER_nondet_int() ; [L1091] int tmp___2 = __VERIFIER_nondet_int() ; [L1092] int tmp___3 = __VERIFIER_nondet_int() ; [L1093] int tmp___4 = __VERIFIER_nondet_int() ; [L1094] int tmp___5 = __VERIFIER_nondet_int() ; [L1095] int tmp___6 = __VERIFIER_nondet_int() ; [L1096] int tmp___7 = __VERIFIER_nondet_int() ; [L1097] int tmp___8 = __VERIFIER_nondet_int() ; [L1098] long tmp___9 = __VERIFIER_nondet_long() ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] CALL s->hit=__VERIFIER_nondet_int () [L1103] RET s->hit=__VERIFIER_nondet_int () [L1104] CALL s->state = 12292 [L1104] RET s->state = 12292 [L1105] tmp = __VERIFIER_nondet_int() [L1106] cb = (void (*)())((void *)0) [L1107] ret = -1 [L1108] skip = 0 [L1109] CALL *tmp___0 = 0 [L1109] RET *tmp___0 = 0 [L1110] CALL, EXPR s->info_callback [L1110] RET, EXPR s->info_callback [L1110] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1111] CALL, EXPR s->info_callback [L1111] RET, EXPR s->info_callback [L1111] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND TRUE s->state == 12292 [L1236] CALL s->new_session = 1 [L1236] RET s->new_session = 1 [L1237] CALL s->state = 4096 [L1237] RET s->state = 4096 [L1238] CALL, EXPR s->ctx [L1238] RET, EXPR s->ctx [L1238] CALL, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] RET, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] CALL (s->ctx)->stats.sess_connect_renegotiate += 1 [L1238] RET (s->ctx)->stats.sess_connect_renegotiate += 1 [L1243] CALL s->server = 0 [L1243] RET s->server = 0 [L1244] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1249] CALL, EXPR s->version [L1249] RET, EXPR s->version [L1249] COND FALSE !((s->version & 65280) != 768) [L1255] CALL s->type = 4096 [L1255] RET s->type = 4096 [L1256] CALL, EXPR s->init_buf [L1256] RET, EXPR s->init_buf [L1256] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1274] COND FALSE !(! tmp___4) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1280] COND FALSE !(! tmp___5) [L1286] CALL s->state = 4368 [L1286] RET s->state = 4368 [L1287] CALL, EXPR s->ctx [L1287] RET, EXPR s->ctx [L1287] CALL, EXPR (s->ctx)->stats.sess_connect [L1287] RET, EXPR (s->ctx)->stats.sess_connect [L1287] CALL (s->ctx)->stats.sess_connect += 1 [L1287] RET (s->ctx)->stats.sess_connect += 1 [L1288] CALL s->init_num = 0 [L1288] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND TRUE s->state == 4368 [L1292] CALL s->shutdown = 0 [L1292] RET s->shutdown = 0 [L1293] ret = __VERIFIER_nondet_int() [L1294] COND TRUE blastFlag == 0 [L1295] blastFlag = 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1299] COND FALSE !(ret <= 0) [L1304] CALL s->state = 4384 [L1304] RET s->state = 4384 [L1305] CALL s->init_num = 0 [L1305] RET s->init_num = 0 [L1306] CALL, EXPR s->bbio [L1306] RET, EXPR s->bbio [L1306] CALL, EXPR s->wbio [L1306] RET, EXPR s->wbio [L1306] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND TRUE s->state == 4384 [L1314] ret = __VERIFIER_nondet_int() [L1315] COND TRUE blastFlag == 1 [L1316] blastFlag = 2 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1324] COND FALSE !(ret <= 0) [L1329] CALL s->hit [L1329] RET s->hit [L1329] COND FALSE !(s->hit) [L1332] CALL s->state = 4400 [L1332] RET s->state = 4400 [L1334] CALL s->init_num = 0 [L1334] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND TRUE s->state == 4400 [L1338] CALL, EXPR s->s3 [L1338] RET, EXPR s->s3 [L1338] CALL, EXPR (s->s3)->tmp.new_cipher [L1338] RET, EXPR (s->s3)->tmp.new_cipher [L1338] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 2 [L1343] blastFlag = 3 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1347] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1353] CALL s->state = 4416 [L1353] RET s->state = 4416 [L1354] CALL s->init_num = 0 [L1354] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND TRUE s->state == 4416 [L1358] ret = __VERIFIER_nondet_int() [L1359] COND TRUE blastFlag == 3 [L1360] blastFlag = 4 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1364] COND FALSE !(ret <= 0) [L1369] CALL s->state = 4432 [L1369] RET s->state = 4432 [L1370] CALL s->init_num = 0 [L1370] RET s->init_num = 0 [L1371] COND FALSE !(! tmp___6) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 4416) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 4417) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 4432 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 4 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1643] __VERIFIER_error() VAL [init=1, SSLv3_client_data={-2138046439:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 141 locations, 1 error locations. UNSAFE Result, 43.8s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 24.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1577 SDtfs, 1759 SDslu, 2256 SDs, 0 SdLazy, 1615 SolverSat, 98 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 430 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 552 ConstructedInterpolants, 4 QuantifiedInterpolants, 158312 SizeOfPredicates, 71 NumberOfNonLiveVariables, 3622 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 500/500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...