./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.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_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc62073ce79016c7df42a52e8632c95b513492d4 ................................................................................................................................................................................................................................................................................................. 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 16:19:34,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:19:34,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:19:34,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:19:34,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:19:34,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:19:34,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:19:34,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:19:34,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:19:34,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:19:34,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:19:34,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:19:34,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:19:34,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:19:34,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:19:34,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:19:34,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:19:34,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:19:34,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:19:34,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:19:34,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:19:34,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:19:34,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:19:34,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:19:34,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:19:34,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:19:34,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:19:34,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:19:34,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:19:34,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:19:34,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:19:34,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:19:34,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:19:34,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:19:34,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:19:34,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:19:34,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:19:34,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:19:34,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:19:34,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:19:34,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:19:34,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:19:34,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:19:34,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:19:34,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:19:34,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:19:34,726 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:19:34,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:19:34,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:19:34,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:19:34,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:19:34,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:19:34,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:19:34,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:19:34,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:19:34,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:19:34,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:19:34,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:19:34,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer 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 -> Automizer 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 -> cc62073ce79016c7df42a52e8632c95b513492d4 [2019-12-07 16:19:34,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:19:34,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:19:34,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:19:34,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:19:34,841 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:19:34,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-12-07 16:19:34,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/data/e860c75e1/b72c4b0d45864e218d92a2438806a2a3/FLAGc089de7bf [2019-12-07 16:19:35,204 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:19:35,204 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-12-07 16:19:35,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/data/e860c75e1/b72c4b0d45864e218d92a2438806a2a3/FLAGc089de7bf [2019-12-07 16:19:35,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/data/e860c75e1/b72c4b0d45864e218d92a2438806a2a3 [2019-12-07 16:19:35,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:19:35,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:19:35,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:19:35,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:19:35,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:19:35,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12624de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35, skipping insertion in model container [2019-12-07 16:19:35,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:19:35,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:19:35,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:19:35,459 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:19:35,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:19:35,506 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:19:35,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35 WrapperNode [2019-12-07 16:19:35,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:19:35,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:19:35,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:19:35,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:19:35,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:19:35,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:19:35,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:19:35,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:19:35,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... [2019-12-07 16:19:35,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:19:35,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:19:35,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:19:35,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:19:35,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/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 16:19:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:19:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:19:35,692 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 16:19:36,014 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2019-12-07 16:19:36,014 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2019-12-07 16:19:36,015 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:19:36,015 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 16:19:36,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:19:36 BoogieIcfgContainer [2019-12-07 16:19:36,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:19:36,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:19:36,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:19:36,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:19:36,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:19:35" (1/3) ... [2019-12-07 16:19:36,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a85c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:19:36, skipping insertion in model container [2019-12-07 16:19:36,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:19:35" (2/3) ... [2019-12-07 16:19:36,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a85c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:19:36, skipping insertion in model container [2019-12-07 16:19:36,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:19:36" (3/3) ... [2019-12-07 16:19:36,020 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2019-12-07 16:19:36,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:19:36,031 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:19:36,038 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:19:36,053 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:19:36,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:19:36,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:19:36,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:19:36,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:19:36,054 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:19:36,054 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:19:36,054 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:19:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-12-07 16:19:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 16:19:36,070 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:19:36,070 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 16:19:36,070 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:19:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:19:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 29741229, now seen corresponding path program 1 times [2019-12-07 16:19:36,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:19:36,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624870265] [2019-12-07 16:19:36,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:19:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:19:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:19:36,181 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:19:36,181 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:19:36,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:19:36 BoogieIcfgContainer [2019-12-07 16:19:36,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:19:36,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:19:36,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:19:36,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:19:36,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:19:36" (3/4) ... [2019-12-07 16:19:36,201 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:19:36,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2bdaa87-367c-4bdc-a18c-d3355191a413/bin/uautomizer/witness.graphml [2019-12-07 16:19:36,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:19:36,243 INFO L168 Benchmark]: Toolchain (without parser) took 1019.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.3 MB in the beginning and 997.3 MB in the end (delta: -54.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:19:36,243 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:19:36,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:19:36,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.71 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 16:19:36,244 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 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 16:19:36,244 INFO L168 Benchmark]: RCFGBuilder took 443.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:19:36,245 INFO L168 Benchmark]: TraceAbstraction took 182.81 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:19:36,245 INFO L168 Benchmark]: Witness Printer took 42.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:19:36,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.71 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 26.55 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 443.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 182.81 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 670]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L675] int s ; [L676] int tmp ; [L680] 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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [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 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [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 ; [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 [L81] COND FALSE !(s__info_callback != 0) [L84] COND TRUE s__ctx__info_callback != 0 [L85] cb = s__ctx__info_callback [L87] COND TRUE cb != 0 [L670] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 158 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...