./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/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 50e378b82d2537a48524a1d575153fc877c6b9d3 .................................................................................................................................................................................................................................................................................................. 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 0.1.24-cad4683 [2019-10-22 08:59:39,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:39,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:39,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:39,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:39,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:39,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:39,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:39,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:39,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:39,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:39,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:39,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:39,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:39,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:39,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:39,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:39,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:39,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:39,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:39,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:39,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:39,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:39,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:39,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:39,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:39,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:39,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:39,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:39,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:39,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:39,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:39,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:39,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:39,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:39,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:39,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:39,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:39,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:39,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:39,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:39,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:39,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:39,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:39,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:39,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:39,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:39,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:39,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:39,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:39,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:39,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:39,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:39,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:39,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:39,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:39,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:39,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:39,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:39,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:39,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:39,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:39,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:39,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:39,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:39,577 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/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/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 -> 50e378b82d2537a48524a1d575153fc877c6b9d3 [2019-10-22 08:59:39,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:39,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:39,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:39,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:39,616 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:39,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-10-22 08:59:39,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/data/def561132/5538c6df505f476eae5e95eca10459b5/FLAGfa6e9b304 [2019-10-22 08:59:40,078 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:40,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-1.c [2019-10-22 08:59:40,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/data/def561132/5538c6df505f476eae5e95eca10459b5/FLAGfa6e9b304 [2019-10-22 08:59:40,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/data/def561132/5538c6df505f476eae5e95eca10459b5 [2019-10-22 08:59:40,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:40,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:40,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:40,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:40,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:40,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0c5f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40, skipping insertion in model container [2019-10-22 08:59:40,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:40,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:40,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:40,783 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:40,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:40,855 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:40,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40 WrapperNode [2019-10-22 08:59:40,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:40,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:40,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:40,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:40,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:40,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:40,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:40,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:40,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... [2019-10-22 08:59:40,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:40,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:40,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:40,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:40,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/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 [2019-10-22 08:59:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:41,138 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:59:41,694 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2019-10-22 08:59:41,694 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2019-10-22 08:59:41,696 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:41,696 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:59:41,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41 BoogieIcfgContainer [2019-10-22 08:59:41,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:41,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:41,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:41,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:41,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:40" (1/3) ... [2019-10-22 08:59:41,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49debcc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:41, skipping insertion in model container [2019-10-22 08:59:41,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:40" (2/3) ... [2019-10-22 08:59:41,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49debcc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:41, skipping insertion in model container [2019-10-22 08:59:41,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41" (3/3) ... [2019-10-22 08:59:41,704 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.c [2019-10-22 08:59:41,713 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:41,720 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:41,732 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:41,758 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:41,760 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:41,760 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:41,761 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:41,761 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:41,761 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:41,761 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:41,761 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-22 08:59:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 08:59:41,791 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:41,792 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 08:59:41,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:41,799 INFO L82 PathProgramCache]: Analyzing trace with hash 29741229, now seen corresponding path program 1 times [2019-10-22 08:59:41,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:41,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583255570] [2019-10-22 08:59:41,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:41,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:41,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:41,958 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:41,962 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:59:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:41 BoogieIcfgContainer [2019-10-22 08:59:41,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:41,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:41,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:41,990 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:41,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:41" (3/4) ... [2019-10-22 08:59:41,993 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:59:42,070 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e6768c9-2638-4b2c-a84b-f27964c9524b/bin/uautomizer/witness.graphml [2019-10-22 08:59:42,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:42,077 INFO L168 Benchmark]: Toolchain (without parser) took 1612.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -100.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,077 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:42,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:42,078 INFO L168 Benchmark]: Boogie Preprocessor took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,079 INFO L168 Benchmark]: RCFGBuilder took 750.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,079 INFO L168 Benchmark]: TraceAbstraction took 291.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,080 INFO L168 Benchmark]: Witness Printer took 84.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 750.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 291.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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: 671]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L676] int s ; [L677] int tmp ; [L681] s = 8464 [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 = 1; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND FALSE !(s__info_callback != 0) [L85] COND TRUE s__ctx__info_callback != 0 [L86] cb = s__ctx__info_callback [L88] COND TRUE cb != 0 [L671] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 158 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, 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...