./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/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 221038eb3d852e675138331615da45f0057866c6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 10:40:24,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:40:24,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:40:24,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:40:24,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:40:24,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:40:24,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:40:24,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:40:24,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:40:24,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:40:24,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:40:24,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:40:24,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:40:24,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:40:24,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:40:24,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:40:24,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:40:24,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:40:24,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:40:24,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:40:24,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:40:24,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:40:24,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:40:24,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:40:24,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:40:24,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:40:24,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:40:24,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:40:24,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:40:24,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:40:24,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:40:24,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:40:24,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:40:24,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:40:24,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:40:24,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:40:24,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:40:24,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:40:24,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:40:24,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:40:24,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:40:24,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:40:24,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:40:24,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:40:24,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:40:24,296 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:40:24,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:40:24,296 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:40:24,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:40:24,297 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:40:24,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:40:24,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:40:24,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:40:24,297 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:40:24,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:40:24,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:40:24,298 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:40:24,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:40:24,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:40:24,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:40:24,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:40:24,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:40:24,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:40:24,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:40:24,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:40:24,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:40:24,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:40:24,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:40:24,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:40:24,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:40:24,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:40:24,303 INFO L138 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/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/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 -> 221038eb3d852e675138331615da45f0057866c6 [2019-12-07 10:40:24,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:40:24,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:40:24,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:40:24,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:40:24,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:40:24,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/../../sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-12-07 10:40:24,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/data/526d654f0/488406d73f314bfe8c812b81313acbc6/FLAG0be5437cc [2019-12-07 10:40:24,813 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:40:24,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-12-07 10:40:24,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/data/526d654f0/488406d73f314bfe8c812b81313acbc6/FLAG0be5437cc [2019-12-07 10:40:24,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/data/526d654f0/488406d73f314bfe8c812b81313acbc6 [2019-12-07 10:40:24,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:40:24,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:40:24,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:40:24,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:40:24,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:40:24,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:40:24" (1/1) ... [2019-12-07 10:40:24,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ff93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:24, skipping insertion in model container [2019-12-07 10:40:24,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:40:24" (1/1) ... [2019-12-07 10:40:24,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:40:24,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:40:25,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:40:25,064 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:40:25,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:40:25,109 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:40:25,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25 WrapperNode [2019-12-07 10:40:25,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:40:25,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:40:25,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:40:25,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:40:25,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:40:25,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:40:25,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:40:25,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:40:25,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... [2019-12-07 10:40:25,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:40:25,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:40:25,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:40:25,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:40:25,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/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 [2019-12-07 10:40:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:40:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:40:25,284 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 10:40:25,586 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-12-07 10:40:25,586 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-12-07 10:40:25,726 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:40:25,727 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:40:25,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:40:25 BoogieIcfgContainer [2019-12-07 10:40:25,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:40:25,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:40:25,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:40:25,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:40:25,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:40:24" (1/3) ... [2019-12-07 10:40:25,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efc5a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:40:25, skipping insertion in model container [2019-12-07 10:40:25,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:40:25" (2/3) ... [2019-12-07 10:40:25,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efc5a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:40:25, skipping insertion in model container [2019-12-07 10:40:25,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:40:25" (3/3) ... [2019-12-07 10:40:25,732 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2019-12-07 10:40:25,739 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:40:25,744 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:40:25,752 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:40:25,769 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:40:25,769 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:40:25,769 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:40:25,769 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:40:25,769 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:40:25,769 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:40:25,769 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:40:25,769 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:40:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 10:40:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:40:25,785 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:25,786 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:25,786 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:25,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash 584167337, now seen corresponding path program 1 times [2019-12-07 10:40:25,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:25,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064928730] [2019-12-07 10:40:25,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:25,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064928730] [2019-12-07 10:40:25,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:25,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:25,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11805287] [2019-12-07 10:40:25,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:25,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:25,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:25,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:25,939 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 3 states. [2019-12-07 10:40:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,082 INFO L93 Difference]: Finished difference Result 240 states and 415 transitions. [2019-12-07 10:40:26,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 10:40:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,092 INFO L225 Difference]: With dead ends: 240 [2019-12-07 10:40:26,093 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 10:40:26,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 10:40:26,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 10:40:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 10:40:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2019-12-07 10:40:26,128 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 17 [2019-12-07 10:40:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,128 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2019-12-07 10:40:26,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2019-12-07 10:40:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:40:26,129 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,130 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,130 INFO L82 PathProgramCache]: Analyzing trace with hash 512106513, now seen corresponding path program 1 times [2019-12-07 10:40:26,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246094511] [2019-12-07 10:40:26,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246094511] [2019-12-07 10:40:26,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106491275] [2019-12-07 10:40:26,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,164 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand 3 states. [2019-12-07 10:40:26,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,256 INFO L93 Difference]: Finished difference Result 265 states and 401 transitions. [2019-12-07 10:40:26,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 10:40:26,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,258 INFO L225 Difference]: With dead ends: 265 [2019-12-07 10:40:26,258 INFO L226 Difference]: Without dead ends: 142 [2019-12-07 10:40:26,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-12-07 10:40:26,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-12-07 10:40:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 10:40:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 212 transitions. [2019-12-07 10:40:26,268 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 212 transitions. Word has length 18 [2019-12-07 10:40:26,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,268 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 212 transitions. [2019-12-07 10:40:26,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 212 transitions. [2019-12-07 10:40:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:40:26,269 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,269 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,269 INFO L82 PathProgramCache]: Analyzing trace with hash -718739833, now seen corresponding path program 1 times [2019-12-07 10:40:26,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981780707] [2019-12-07 10:40:26,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981780707] [2019-12-07 10:40:26,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682386065] [2019-12-07 10:40:26,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,299 INFO L87 Difference]: Start difference. First operand 140 states and 212 transitions. Second operand 3 states. [2019-12-07 10:40:26,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,394 INFO L93 Difference]: Finished difference Result 285 states and 436 transitions. [2019-12-07 10:40:26,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 10:40:26,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,396 INFO L225 Difference]: With dead ends: 285 [2019-12-07 10:40:26,396 INFO L226 Difference]: Without dead ends: 147 [2019-12-07 10:40:26,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-12-07 10:40:26,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-12-07 10:40:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 10:40:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 225 transitions. [2019-12-07 10:40:26,407 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 225 transitions. Word has length 18 [2019-12-07 10:40:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,407 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 225 transitions. [2019-12-07 10:40:26,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 225 transitions. [2019-12-07 10:40:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:40:26,408 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,408 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,408 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1742576237, now seen corresponding path program 1 times [2019-12-07 10:40:26,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070102340] [2019-12-07 10:40:26,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070102340] [2019-12-07 10:40:26,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628224231] [2019-12-07 10:40:26,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,442 INFO L87 Difference]: Start difference. First operand 147 states and 225 transitions. Second operand 3 states. [2019-12-07 10:40:26,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,524 INFO L93 Difference]: Finished difference Result 300 states and 457 transitions. [2019-12-07 10:40:26,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 10:40:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,526 INFO L225 Difference]: With dead ends: 300 [2019-12-07 10:40:26,526 INFO L226 Difference]: Without dead ends: 155 [2019-12-07 10:40:26,527 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-12-07 10:40:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-12-07 10:40:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 10:40:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2019-12-07 10:40:26,535 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 19 [2019-12-07 10:40:26,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,535 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2019-12-07 10:40:26,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2019-12-07 10:40:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:40:26,536 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,536 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,536 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,536 INFO L82 PathProgramCache]: Analyzing trace with hash -2096473077, now seen corresponding path program 1 times [2019-12-07 10:40:26,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328226157] [2019-12-07 10:40:26,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328226157] [2019-12-07 10:40:26,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217316929] [2019-12-07 10:40:26,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,560 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand 3 states. [2019-12-07 10:40:26,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,648 INFO L93 Difference]: Finished difference Result 294 states and 446 transitions. [2019-12-07 10:40:26,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 10:40:26,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,650 INFO L225 Difference]: With dead ends: 294 [2019-12-07 10:40:26,650 INFO L226 Difference]: Without dead ends: 149 [2019-12-07 10:40:26,650 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-12-07 10:40:26,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-12-07 10:40:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 10:40:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 222 transitions. [2019-12-07 10:40:26,657 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 222 transitions. Word has length 19 [2019-12-07 10:40:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,658 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 222 transitions. [2019-12-07 10:40:26,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2019-12-07 10:40:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 10:40:26,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,659 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1930237043, now seen corresponding path program 1 times [2019-12-07 10:40:26,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660933751] [2019-12-07 10:40:26,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660933751] [2019-12-07 10:40:26,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333330899] [2019-12-07 10:40:26,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,684 INFO L87 Difference]: Start difference. First operand 147 states and 222 transitions. Second operand 3 states. [2019-12-07 10:40:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,754 INFO L93 Difference]: Finished difference Result 300 states and 451 transitions. [2019-12-07 10:40:26,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 10:40:26,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,755 INFO L225 Difference]: With dead ends: 300 [2019-12-07 10:40:26,755 INFO L226 Difference]: Without dead ends: 155 [2019-12-07 10:40:26,755 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-12-07 10:40:26,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-12-07 10:40:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 10:40:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 220 transitions. [2019-12-07 10:40:26,760 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 220 transitions. Word has length 20 [2019-12-07 10:40:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,761 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 220 transitions. [2019-12-07 10:40:26,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2019-12-07 10:40:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:40:26,761 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,762 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1894388110, now seen corresponding path program 1 times [2019-12-07 10:40:26,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899301615] [2019-12-07 10:40:26,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:40:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:40:26,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899301615] [2019-12-07 10:40:26,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:40:26,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:40:26,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249013330] [2019-12-07 10:40:26,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:40:26,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:40:26,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:40:26,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,780 INFO L87 Difference]: Start difference. First operand 147 states and 220 transitions. Second operand 3 states. [2019-12-07 10:40:26,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:40:26,857 INFO L93 Difference]: Finished difference Result 300 states and 447 transitions. [2019-12-07 10:40:26,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:40:26,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-07 10:40:26,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:40:26,858 INFO L225 Difference]: With dead ends: 300 [2019-12-07 10:40:26,858 INFO L226 Difference]: Without dead ends: 155 [2019-12-07 10:40:26,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:40:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-12-07 10:40:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-12-07 10:40:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 10:40:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2019-12-07 10:40:26,863 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 21 [2019-12-07 10:40:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:40:26,864 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2019-12-07 10:40:26,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:40:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2019-12-07 10:40:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:40:26,864 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:40:26,864 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:40:26,865 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:40:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:40:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash 2065331044, now seen corresponding path program 1 times [2019-12-07 10:40:26,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:40:26,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590388239] [2019-12-07 10:40:26,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:40:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:40:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:40:26,901 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 10:40:26,901 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:40:26,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:40:26 BoogieIcfgContainer [2019-12-07 10:40:26,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:40:26,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:40:26,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:40:26,927 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:40:26,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:40:25" (3/4) ... [2019-12-07 10:40:26,929 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:40:26,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb76b3ed-95c7-49db-bd8d-80bcb8c953f6/bin/utaipan/witness.graphml [2019-12-07 10:40:26,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:40:26,976 INFO L168 Benchmark]: Toolchain (without parser) took 2137.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -78.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:40:26,976 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:40:26,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:40:26,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:40:26,977 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:40:26,977 INFO L168 Benchmark]: RCFGBuilder took 558.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:40:26,977 INFO L168 Benchmark]: TraceAbstraction took 1198.55 ms. Allocated memory is still 1.1 GB. Free memory was 998.2 MB in the beginning and 1.0 GB in the end (delta: -32.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:40:26,978 INFO L168 Benchmark]: Witness Printer took 47.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:40:26,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 558.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1198.55 ms. Allocated memory is still 1.1 GB. Free memory was 998.2 MB in the beginning and 1.0 GB in the end (delta: -32.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 47.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 628]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L634] int s ; [L635] int tmp ; [L639] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf = __VERIFIER_nondet_int() ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp = __VERIFIER_nondet_long() ; [L45] int cb ; [L46] long num1 ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 ; [L55] int tmp___4 ; [L56] int tmp___5 ; [L57] int tmp___6 ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 ; [L61] int tmp___10 ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__new_cipher__algorithms = 0 [L73] __cil_tmp56 = 0 [L74] __cil_tmp57 = 0 [L75] __cil_tmp58 = 0 [L76] __cil_tmp59 = 0 [L77] __cil_tmp60 = 0 [L78] __cil_tmp61 = 0 [L79] s__s3__tmp__reuse_message = 0 [L80] s__state = initial_state [L81] blastFlag = 0 [L82] Time = tmp [L83] cb = 0 [L84] ret = -1 [L85] skip = 0 [L86] got_new_session = 0 [L87] COND TRUE s__info_callback != 0 [L88] cb = s__info_callback [L94] s__in_handshake ++ [L95] COND TRUE tmp___1 + 12288 [L96] COND TRUE tmp___2 + 16384 [L100] COND FALSE !(s__cert == 0) [L104] COND TRUE 1 [L106] state = s__state [L107] COND FALSE !(s__state == 12292) [L110] COND FALSE !(s__state == 16384) [L113] COND FALSE !(s__state == 8192) [L116] COND FALSE !(s__state == 24576) [L119] COND FALSE !(s__state == 8195) [L122] COND FALSE !(s__state == 8480) [L125] COND FALSE !(s__state == 8481) [L128] COND FALSE !(s__state == 8482) [L131] COND TRUE s__state == 8464 [L275] s__shutdown = 0 [L276] ret = __VERIFIER_nondet_int() [L277] COND TRUE blastFlag == 0 [L278] blastFlag = 1 [L280] COND FALSE !(ret <= 0) [L283] got_new_session = 1 [L284] s__state = 8496 [L285] s__init_num = 0 [L591] COND TRUE ! s__s3__tmp__reuse_message [L592] COND TRUE ! skip [L593] COND TRUE state == 8464 [L594] COND TRUE s__state == 8496 [L595] COND TRUE cb != 0 [L596] COND TRUE s__info_callback != 0 [L628] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 689 SDtfs, 964 SDslu, 106 SDs, 0 SdLazy, 556 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...