./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_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 11:59:49,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:59:49,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:59:49,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:59:49,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:59:49,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:59:49,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:59:49,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:59:49,448 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:59:49,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:59:49,449 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:59:49,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:59:49,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:59:49,451 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:59:49,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:59:49,452 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:59:49,453 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:59:49,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:59:49,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:59:49,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:59:49,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:59:49,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:59:49,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:59:49,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:59:49,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:59:49,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:59:49,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:59:49,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:59:49,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:59:49,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:59:49,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:59:49,463 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:59:49,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:59:49,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:59:49,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:59:49,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:59:49,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:59:49,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:59:49,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:59:49,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:59:49,473 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:59:49,473 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:59:49,473 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:59:49,474 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:59:49,474 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:59:49,474 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:59:49,474 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:59:49,474 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:59:49,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:59:49,476 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:59:49,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:59:49,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:59:49,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:59:49,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:59:49,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:59:49,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:59:49,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:59:49,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:59:49,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:59:49,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:59:49,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:59:49,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:59:49,479 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:59:49,480 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:59:49,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:59:49,481 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:59:49,481 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_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 11:59:49,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:59:49,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:59:49,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:59:49,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:59:49,518 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:59:49,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 11:59:49,561 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/6095180df/150c9588a2204f08b9eaf773892a50c5/FLAG5e0a2b312 [2018-11-10 11:59:50,032 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:59:50,032 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 11:59:50,045 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/6095180df/150c9588a2204f08b9eaf773892a50c5/FLAG5e0a2b312 [2018-11-10 11:59:50,056 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/6095180df/150c9588a2204f08b9eaf773892a50c5 [2018-11-10 11:59:50,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:59:50,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:59:50,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:59:50,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:59:50,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:59:50,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:50,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3059f0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50, skipping insertion in model container [2018-11-10 11:59:50,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:50,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:59:50,115 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:59:50,627 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:59:50,638 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:59:50,923 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:59:50,999 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:59:50,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50 WrapperNode [2018-11-10 11:59:51,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:59:51,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:59:51,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:59:51,000 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:59:51,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:59:51,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:59:51,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:59:51,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:59:51,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... [2018-11-10 11:59:51,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:59:51,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:59:51,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:59:51,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:59:51,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:59:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-10 11:59:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-10 11:59:51,620 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 11:59:51,620 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 11:59:52,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:59:52,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:52 BoogieIcfgContainer [2018-11-10 11:59:52,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:59:52,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:59:52,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:59:52,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:59:52,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:59:50" (1/3) ... [2018-11-10 11:59:52,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610d2a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:59:52, skipping insertion in model container [2018-11-10 11:59:52,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:50" (2/3) ... [2018-11-10 11:59:52,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610d2a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:59:52, skipping insertion in model container [2018-11-10 11:59:52,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:52" (3/3) ... [2018-11-10 11:59:52,057 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 11:59:52,063 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:59:52,071 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:59:52,080 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:59:52,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:59:52,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:59:52,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:59:52,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:59:52,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:59:52,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:59:52,102 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:59:52,102 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:59:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-10 11:59:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:59:52,121 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:52,121 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] [2018-11-10 11:59:52,123 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:52,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:52,128 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-11-10 11:59:52,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:52,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:52,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,164 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:59:52,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:52,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:59:52,350 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:52,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:59:52,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:59:52,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:59:52,363 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-11-10 11:59:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:52,453 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-11-10 11:59:52,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:59:52,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 11:59:52,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:52,463 INFO L225 Difference]: With dead ends: 382 [2018-11-10 11:59:52,463 INFO L226 Difference]: Without dead ends: 221 [2018-11-10 11:59:52,466 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 [2018-11-10 11:59:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-10 11:59:52,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-10 11:59:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-10 11:59:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-11-10 11:59:52,502 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-11-10 11:59:52,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:52,502 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-11-10 11:59:52,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:59:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-11-10 11:59:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 11:59:52,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:52,504 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] [2018-11-10 11:59:52,504 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:52,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-11-10 11:59:52,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:52,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:52,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:59:52,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:52,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:59:52,612 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:52,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:59:52,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:59:52,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:59:52,614 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-11-10 11:59:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:52,729 INFO L93 Difference]: Finished difference Result 427 states and 636 transitions. [2018-11-10 11:59:52,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:59:52,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-10 11:59:52,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:52,731 INFO L225 Difference]: With dead ends: 427 [2018-11-10 11:59:52,731 INFO L226 Difference]: Without dead ends: 321 [2018-11-10 11:59:52,733 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 [2018-11-10 11:59:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-10 11:59:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-11-10 11:59:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-10 11:59:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-11-10 11:59:52,750 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-11-10 11:59:52,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:52,751 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-11-10 11:59:52,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:59:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-11-10 11:59:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 11:59:52,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:52,754 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] [2018-11-10 11:59:52,754 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:52,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1003210759, now seen corresponding path program 1 times [2018-11-10 11:59:52,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:52,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:52,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,756 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 11:59:52,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:52,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:59:52,867 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:52,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:59:52,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:59:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:59:52,868 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-11-10 11:59:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:52,927 INFO L93 Difference]: Finished difference Result 631 states and 936 transitions. [2018-11-10 11:59:52,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:59:52,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-10 11:59:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:52,929 INFO L225 Difference]: With dead ends: 631 [2018-11-10 11:59:52,929 INFO L226 Difference]: Without dead ends: 425 [2018-11-10 11:59:52,930 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 [2018-11-10 11:59:52,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-11-10 11:59:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-11-10 11:59:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-11-10 11:59:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 627 transitions. [2018-11-10 11:59:52,946 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 627 transitions. Word has length 66 [2018-11-10 11:59:52,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:52,947 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 627 transitions. [2018-11-10 11:59:52,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:59:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 627 transitions. [2018-11-10 11:59:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 11:59:52,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:52,950 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] [2018-11-10 11:59:52,950 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:52,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:52,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1151074920, now seen corresponding path program 1 times [2018-11-10 11:59:52,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:52,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:52,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:52,951 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 11:59:53,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:53,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:59:53,049 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:53,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:59:53,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:59:53,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:59:53,050 INFO L87 Difference]: Start difference. First operand 425 states and 627 transitions. Second operand 3 states. [2018-11-10 11:59:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:53,113 INFO L93 Difference]: Finished difference Result 839 states and 1246 transitions. [2018-11-10 11:59:53,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:59:53,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-11-10 11:59:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:53,115 INFO L225 Difference]: With dead ends: 839 [2018-11-10 11:59:53,115 INFO L226 Difference]: Without dead ends: 529 [2018-11-10 11:59:53,116 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 [2018-11-10 11:59:53,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-10 11:59:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2018-11-10 11:59:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-10 11:59:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 783 transitions. [2018-11-10 11:59:53,130 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 783 transitions. Word has length 87 [2018-11-10 11:59:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:53,131 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 783 transitions. [2018-11-10 11:59:53,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:59:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 783 transitions. [2018-11-10 11:59:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 11:59:53,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:53,133 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] [2018-11-10 11:59:53,133 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:53,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:53,134 INFO L82 PathProgramCache]: Analyzing trace with hash -775192899, now seen corresponding path program 1 times [2018-11-10 11:59:53,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:53,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:53,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:53,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:53,135 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 11:59:53,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:53,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:59:53,258 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:53,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:59:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:59:53,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:59:53,258 INFO L87 Difference]: Start difference. First operand 529 states and 783 transitions. Second operand 4 states. [2018-11-10 11:59:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:53,734 INFO L93 Difference]: Finished difference Result 1517 states and 2252 transitions. [2018-11-10 11:59:53,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:59:53,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-10 11:59:53,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:53,737 INFO L225 Difference]: With dead ends: 1517 [2018-11-10 11:59:53,737 INFO L226 Difference]: Without dead ends: 1001 [2018-11-10 11:59:53,738 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:59:53,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-11-10 11:59:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 648. [2018-11-10 11:59:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2018-11-10 11:59:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 972 transitions. [2018-11-10 11:59:53,754 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 972 transitions. Word has length 109 [2018-11-10 11:59:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:53,754 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 972 transitions. [2018-11-10 11:59:53,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:59:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 972 transitions. [2018-11-10 11:59:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 11:59:53,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:53,756 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] [2018-11-10 11:59:53,756 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:53,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:53,756 INFO L82 PathProgramCache]: Analyzing trace with hash 178747259, now seen corresponding path program 1 times [2018-11-10 11:59:53,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:53,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:53,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:53,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:53,758 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 11:59:53,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:53,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:59:53,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:53,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:59:53,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:59:53,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:59:53,873 INFO L87 Difference]: Start difference. First operand 648 states and 972 transitions. Second operand 6 states. [2018-11-10 11:59:54,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:54,140 INFO L93 Difference]: Finished difference Result 1243 states and 1864 transitions. [2018-11-10 11:59:54,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:59:54,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-10 11:59:54,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:54,143 INFO L225 Difference]: With dead ends: 1243 [2018-11-10 11:59:54,143 INFO L226 Difference]: Without dead ends: 732 [2018-11-10 11:59:54,144 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:59:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-11-10 11:59:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 657. [2018-11-10 11:59:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-11-10 11:59:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 986 transitions. [2018-11-10 11:59:54,156 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 986 transitions. Word has length 109 [2018-11-10 11:59:54,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:54,156 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 986 transitions. [2018-11-10 11:59:54,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:59:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 986 transitions. [2018-11-10 11:59:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 11:59:54,158 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:54,158 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] [2018-11-10 11:59:54,158 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:54,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:54,158 INFO L82 PathProgramCache]: Analyzing trace with hash -914242236, now seen corresponding path program 1 times [2018-11-10 11:59:54,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:54,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:54,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:54,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:54,160 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 11:59:54,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:59:54,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:59:54,306 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:59:54,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:59:54,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:59:54,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:59:54,307 INFO L87 Difference]: Start difference. First operand 657 states and 986 transitions. Second operand 6 states. [2018-11-10 11:59:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:54,535 INFO L93 Difference]: Finished difference Result 1240 states and 1860 transitions. [2018-11-10 11:59:54,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:59:54,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-10 11:59:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:54,537 INFO L225 Difference]: With dead ends: 1240 [2018-11-10 11:59:54,537 INFO L226 Difference]: Without dead ends: 729 [2018-11-10 11:59:54,538 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:59:54,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-11-10 11:59:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 658. [2018-11-10 11:59:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-11-10 11:59:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 987 transitions. [2018-11-10 11:59:54,550 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 987 transitions. Word has length 110 [2018-11-10 11:59:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:54,550 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 987 transitions. [2018-11-10 11:59:54,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:59:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 987 transitions. [2018-11-10 11:59:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 11:59:54,552 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:54,552 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] [2018-11-10 11:59:54,552 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:54,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2142717643, now seen corresponding path program 1 times [2018-11-10 11:59:54,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:54,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:54,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:54,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:54,553 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:59:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:59:54,789 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:59:54,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:59:54,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:59:54 BoogieIcfgContainer [2018-11-10 11:59:54,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:59:54,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:59:54,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:59:54,850 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:59:54,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:52" (3/4) ... [2018-11-10 11:59:54,853 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:59:54,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:59:54,854 INFO L168 Benchmark]: Toolchain (without parser) took 4795.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 952.3 MB in the beginning and 995.0 MB in the end (delta: -42.7 MB). Peak memory consumption was 153.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,855 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:59:54,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,856 INFO L168 Benchmark]: Boogie Preprocessor took 71.86 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,857 INFO L168 Benchmark]: RCFGBuilder took 910.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.1 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,857 INFO L168 Benchmark]: TraceAbstraction took 2797.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 949.1 MB in the beginning and 995.0 MB in the end (delta: -45.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:59:54,857 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 1.2 GB. Free memory is still 995.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:59:54,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 939.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.86 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 910.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.1 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2797.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 949.1 MB in the beginning and 995.0 MB in the end (delta: -45.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.40 ms. Allocated memory is still 1.2 GB. Free memory is still 995.0 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, 2.7s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1204 SDtfs, 1238 SDslu, 1282 SDs, 0 SdLazy, 731 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 499 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s 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 [2018-11-10 11:59:56,307 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-10 11:59:56,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:59:56,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:59:56,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:59:56,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:59:56,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:59:56,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:59:56,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:59:56,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:59:56,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:59:56,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:59:56,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:59:56,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:59:56,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:59:56,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 11:59:56,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:59:56,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:59:56,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:59:56,351 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:59:56,351 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:59:56,351 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:59:56,351 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:59:56,351 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:59:56,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:59:56,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:59:56,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:59:56,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:59:56,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:59:56,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:59:56,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:59:56,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:59:56,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:59:56,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:59:56,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:59:56,355 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:59:56,355 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_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 11:59:56,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:59:56,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:59:56,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:59:56,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:59:56,398 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:59:56,399 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 11:59:56,443 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/eb8be8c1e/0a953d2535ec4e55abbbfbf9bf30c5bd/FLAG6c27d056c [2018-11-10 11:59:56,812 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:59:56,812 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/sv-benchmarks/c/ssh/s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 11:59:56,824 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/eb8be8c1e/0a953d2535ec4e55abbbfbf9bf30c5bd/FLAG6c27d056c [2018-11-10 11:59:56,832 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/data/eb8be8c1e/0a953d2535ec4e55abbbfbf9bf30c5bd [2018-11-10 11:59:56,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:59:56,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:59:56,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:59:56,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:59:56,838 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:59:56,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:59:56" (1/1) ... [2018-11-10 11:59:56,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98dadd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:56, skipping insertion in model container [2018-11-10 11:59:56,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:59:56" (1/1) ... [2018-11-10 11:59:56,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:59:56,889 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:59:57,423 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:59:57,435 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:59:57,673 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:59:57,689 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:59:57,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57 WrapperNode [2018-11-10 11:59:57,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:59:57,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:59:57,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:59:57,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:59:57,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:59:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:59:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:59:57,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:59:57,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... [2018-11-10 11:59:57,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:59:57,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:59:57,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:59:57,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:59:57,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:59:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:59:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:59:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-10 11:59:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-10 12:00:00,340 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:00:00,341 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:00:01,199 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:01,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:01 BoogieIcfgContainer [2018-11-10 12:00:01,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:01,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:00:01,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:00:01,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:00:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:59:56" (1/3) ... [2018-11-10 12:00:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:00:01, skipping insertion in model container [2018-11-10 12:00:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:59:57" (2/3) ... [2018-11-10 12:00:01,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:00:01, skipping insertion in model container [2018-11-10 12:00:01,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:01" (3/3) ... [2018-11-10 12:00:01,205 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03_false-unreach-call.i.cil.c [2018-11-10 12:00:01,210 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:00:01,215 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:00:01,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:00:01,247 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:00:01,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:00:01,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:00:01,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:00:01,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:00:01,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:00:01,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:00:01,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:00:01,249 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:00:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-10 12:00:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:00:01,268 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:01,269 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] [2018-11-10 12:00:01,270 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:01,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:01,274 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-11-10 12:00:01,277 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:01,277 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:01,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:01,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:01,437 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:01,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:01,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:00:01,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:00:01,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:00:01,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:00:01,460 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-11-10 12:00:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:01,554 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-11-10 12:00:01,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:00:01,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 12:00:01,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:01,567 INFO L225 Difference]: With dead ends: 382 [2018-11-10 12:00:01,567 INFO L226 Difference]: Without dead ends: 221 [2018-11-10 12:00:01,570 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 [2018-11-10 12:00:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-10 12:00:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-10 12:00:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-10 12:00:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-11-10 12:00:01,611 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-11-10 12:00:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:01,611 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-11-10 12:00:01,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:00:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-11-10 12:00:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:00:01,614 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:01,614 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] [2018-11-10 12:00:01,614 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:01,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:01,615 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-11-10 12:00:01,615 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:01,615 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:01,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:01,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:01,749 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:01,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:01,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:00:01,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:00:01,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:00:01,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:00:01,753 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-11-10 12:00:01,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:01,803 INFO L93 Difference]: Finished difference Result 427 states and 636 transitions. [2018-11-10 12:00:01,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:00:01,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-10 12:00:01,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:01,807 INFO L225 Difference]: With dead ends: 427 [2018-11-10 12:00:01,807 INFO L226 Difference]: Without dead ends: 321 [2018-11-10 12:00:01,808 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 [2018-11-10 12:00:01,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-10 12:00:01,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-11-10 12:00:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-10 12:00:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-11-10 12:00:01,827 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-11-10 12:00:01,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:01,828 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-11-10 12:00:01,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:00:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-11-10 12:00:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:00:01,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:01,831 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] [2018-11-10 12:00:01,831 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:01,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:01,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1003210759, now seen corresponding path program 1 times [2018-11-10 12:00:01,832 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:01,833 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:01,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:01,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:01,983 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:01,983 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:01,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:01,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:00:01,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:00:01,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:00:01,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:00:01,986 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-11-10 12:00:02,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:02,040 INFO L93 Difference]: Finished difference Result 630 states and 935 transitions. [2018-11-10 12:00:02,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:00:02,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-10 12:00:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:02,043 INFO L225 Difference]: With dead ends: 630 [2018-11-10 12:00:02,043 INFO L226 Difference]: Without dead ends: 424 [2018-11-10 12:00:02,044 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 [2018-11-10 12:00:02,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-11-10 12:00:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2018-11-10 12:00:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-11-10 12:00:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 623 transitions. [2018-11-10 12:00:02,062 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 623 transitions. Word has length 66 [2018-11-10 12:00:02,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:02,062 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 623 transitions. [2018-11-10 12:00:02,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:00:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 623 transitions. [2018-11-10 12:00:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 12:00:02,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:02,066 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] [2018-11-10 12:00:02,066 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:02,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:02,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1151074920, now seen corresponding path program 1 times [2018-11-10 12:00:02,068 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:02,068 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:02,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:02,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:00:02,271 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:02,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:02,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:00:02,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:00:02,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:00:02,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:00:02,274 INFO L87 Difference]: Start difference. First operand 424 states and 623 transitions. Second operand 3 states. [2018-11-10 12:00:02,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:02,349 INFO L93 Difference]: Finished difference Result 835 states and 1236 transitions. [2018-11-10 12:00:02,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:00:02,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-11-10 12:00:02,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:02,351 INFO L225 Difference]: With dead ends: 835 [2018-11-10 12:00:02,351 INFO L226 Difference]: Without dead ends: 526 [2018-11-10 12:00:02,352 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 [2018-11-10 12:00:02,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-10 12:00:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2018-11-10 12:00:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-11-10 12:00:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2018-11-10 12:00:02,368 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 87 [2018-11-10 12:00:02,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:02,369 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2018-11-10 12:00:02,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:00:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2018-11-10 12:00:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 12:00:02,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:02,373 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] [2018-11-10 12:00:02,373 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:02,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:02,373 INFO L82 PathProgramCache]: Analyzing trace with hash -775192899, now seen corresponding path program 1 times [2018-11-10 12:00:02,374 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:02,374 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:02,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:03,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:03,425 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 [2018-11-10 12:00:03,428 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 [2018-11-10 12:00:03,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,468 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-10 12:00:03,517 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 [2018-11-10 12:00:03,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:03,525 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 [2018-11-10 12:00:03,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-11-10 12:00:03,575 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 [2018-11-10 12:00:03,578 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 [2018-11-10 12:00:03,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:03,585 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 12:00:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:00:03,609 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:03,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:03,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:00:03,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:00:03,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:00:03,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:00:03,614 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand 7 states. [2018-11-10 12:00:06,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:06,892 INFO L93 Difference]: Finished difference Result 1411 states and 2082 transitions. [2018-11-10 12:00:06,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:00:06,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-11-10 12:00:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:06,894 INFO L225 Difference]: With dead ends: 1411 [2018-11-10 12:00:06,895 INFO L226 Difference]: Without dead ends: 898 [2018-11-10 12:00:06,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:00:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2018-11-10 12:00:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 614. [2018-11-10 12:00:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-11-10 12:00:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 917 transitions. [2018-11-10 12:00:06,910 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 917 transitions. Word has length 109 [2018-11-10 12:00:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:06,911 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 917 transitions. [2018-11-10 12:00:06,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:00:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 917 transitions. [2018-11-10 12:00:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 12:00:06,913 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:06,913 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] [2018-11-10 12:00:06,913 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:06,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:06,914 INFO L82 PathProgramCache]: Analyzing trace with hash 178747259, now seen corresponding path program 1 times [2018-11-10 12:00:06,914 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:06,914 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:06,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:08,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:08,717 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 [2018-11-10 12:00:08,720 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 [2018-11-10 12:00:08,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:08,728 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 [2018-11-10 12:00:08,729 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,749 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,774 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 [2018-11-10 12:00:08,777 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 [2018-11-10 12:00:08,778 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,786 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,800 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 [2018-11-10 12:00:08,804 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 [2018-11-10 12:00:08,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:08,813 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 [2018-11-10 12:00:08,813 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,826 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:08,846 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 [2018-11-10 12:00:08,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:08,860 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:08,889 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 [2018-11-10 12:00:08,890 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-11-10 12:00:08,940 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:00:08,966 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:00:09,006 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. [2018-11-10 12:00:09,006 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-11-10 12:00:09,123 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 [2018-11-10 12:00:09,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:09,132 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 [2018-11-10 12:00:09,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:09,198 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:09,200 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:09,215 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 [2018-11-10 12:00:09,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 12:00:09,289 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:00:09,358 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 [2018-11-10 12:00:09,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:09,362 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 [2018-11-10 12:00:09,363 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,371 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,412 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. [2018-11-10 12:00:09,412 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-11-10 12:00:09,498 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 [2018-11-10 12:00:09,500 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 [2018-11-10 12:00:09,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,501 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:09,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 12:00:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 12:00:09,522 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:09,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:09,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:00:09,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:00:09,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:00:09,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:00:09,527 INFO L87 Difference]: Start difference. First operand 614 states and 917 transitions. Second operand 9 states. [2018-11-10 12:00:19,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:19,430 INFO L93 Difference]: Finished difference Result 1177 states and 1757 transitions. [2018-11-10 12:00:19,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:00:19,431 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2018-11-10 12:00:19,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:19,433 INFO L225 Difference]: With dead ends: 1177 [2018-11-10 12:00:19,433 INFO L226 Difference]: Without dead ends: 698 [2018-11-10 12:00:19,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:00:19,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2018-11-10 12:00:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 623. [2018-11-10 12:00:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-11-10 12:00:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 931 transitions. [2018-11-10 12:00:19,457 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 931 transitions. Word has length 109 [2018-11-10 12:00:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:19,457 INFO L481 AbstractCegarLoop]: Abstraction has 623 states and 931 transitions. [2018-11-10 12:00:19,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:00:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 931 transitions. [2018-11-10 12:00:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 12:00:19,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:19,459 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] [2018-11-10 12:00:19,459 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:19,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash -914242236, now seen corresponding path program 1 times [2018-11-10 12:00:19,460 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:19,460 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:19,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:21,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:21,740 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 [2018-11-10 12:00:21,743 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 [2018-11-10 12:00:21,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:21,751 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 [2018-11-10 12:00:21,751 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,764 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,781 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 [2018-11-10 12:00:21,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:21,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:21,811 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 [2018-11-10 12:00:21,812 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-10 12:00:21,845 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:00:21,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:00:21,885 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 [2018-11-10 12:00:21,887 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 [2018-11-10 12:00:21,890 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:21,892 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 [2018-11-10 12:00:21,893 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,899 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,916 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 [2018-11-10 12:00:21,918 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 [2018-11-10 12:00:21,919 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,927 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,935 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:21,971 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. [2018-11-10 12:00:21,971 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-11-10 12:00:22,070 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 [2018-11-10 12:00:22,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:22,079 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 [2018-11-10 12:00:22,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:22,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:22,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:22,194 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 [2018-11-10 12:00:22,195 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 12:00:22,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:00:22,333 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 [2018-11-10 12:00:22,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:00:22,338 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 [2018-11-10 12:00:22,338 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,346 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,386 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. [2018-11-10 12:00:22,386 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-11-10 12:00:22,478 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 [2018-11-10 12:00:22,480 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 [2018-11-10 12:00:22,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,482 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:00:22,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 12:00:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 12:00:22,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:00:22,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:00:22,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:00:22,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:00:22,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:00:22,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:00:22,505 INFO L87 Difference]: Start difference. First operand 623 states and 931 transitions. Second operand 9 states. [2018-11-10 12:00:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:00:29,813 INFO L93 Difference]: Finished difference Result 1174 states and 1753 transitions. [2018-11-10 12:00:29,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:00:29,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2018-11-10 12:00:29,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:00:29,815 INFO L225 Difference]: With dead ends: 1174 [2018-11-10 12:00:29,815 INFO L226 Difference]: Without dead ends: 695 [2018-11-10 12:00:29,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:00:29,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-11-10 12:00:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 624. [2018-11-10 12:00:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-11-10 12:00:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 932 transitions. [2018-11-10 12:00:29,830 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 932 transitions. Word has length 110 [2018-11-10 12:00:29,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:00:29,831 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 932 transitions. [2018-11-10 12:00:29,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:00:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 932 transitions. [2018-11-10 12:00:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 12:00:29,832 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:00:29,832 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] [2018-11-10 12:00:29,832 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:00:29,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash -2142717643, now seen corresponding path program 1 times [2018-11-10 12:00:29,833 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 12:00:29,833 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/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 [2018-11-10 12:00:29,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:00:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:35,607 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:00:35,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:00:35 BoogieIcfgContainer [2018-11-10 12:00:35,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:00:35,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:00:35,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:00:35,676 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:00:35,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:01" (3/4) ... [2018-11-10 12:00:35,678 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:00:35,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:00:35,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45a1d6ee-b6d7-448e-837f-34f800d62687/bin-2019/utaipan/witness.graphml [2018-11-10 12:00:35,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:00:35,743 INFO L168 Benchmark]: Toolchain (without parser) took 38908.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 945.5 MB in the beginning and 905.3 MB in the end (delta: 40.2 MB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,744 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-10 12:00:35,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.32 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 767.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 767.2 MB in the beginning and 1.1 GB in the end (delta: -335.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,745 INFO L168 Benchmark]: Boogie Preprocessor took 73.28 ms. Allocated memory is still 1.1 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. [2018-11-10 12:00:35,745 INFO L168 Benchmark]: RCFGBuilder took 3311.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 170.3 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,745 INFO L168 Benchmark]: TraceAbstraction took 34475.77 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 926.1 MB in the beginning and 923.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,745 INFO L168 Benchmark]: Witness Printer took 67.07 ms. Allocated memory is still 1.3 GB. Free memory was 923.3 MB in the beginning and 905.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:35,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 854.32 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 767.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 767.2 MB in the beginning and 1.1 GB in the end (delta: -335.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.28 ms. Allocated memory is still 1.1 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 3311.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 170.3 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34475.77 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 926.1 MB in the beginning and 923.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.07 ms. Allocated memory is still 1.3 GB. Free memory was 923.3 MB in the beginning and 905.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 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, 34.4s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 20.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1577 SDtfs, 1759 SDslu, 2256 SDs, 0 SdLazy, 1615 SolverSat, 98 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 430 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 3.1s 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...