./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/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 bdbeb15a4b6276d844a5889cd53cbf9564381e20 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:54:15,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:15,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:15,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:15,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:15,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:15,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:15,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:15,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:15,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:15,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:15,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:15,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:15,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:15,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:15,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:15,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:15,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:15,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:15,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:15,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:15,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:15,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:15,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:15,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:15,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:15,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:15,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:15,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:15,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:15,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:15,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:15,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:15,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:15,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:15,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:15,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:15,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:15,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:15,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:15,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:15,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:15,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:15,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:15,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:15,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:15,196 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:15,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:15,196 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:15,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:15,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:15,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:15,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:15,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:15,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:15,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:15,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:15,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:15,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:15,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:15,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:15,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:15,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:15,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:15,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:15,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:15,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:15,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:15,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:15,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:15,201 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_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/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 -> bdbeb15a4b6276d844a5889cd53cbf9564381e20 [2019-11-25 08:54:15,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:15,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:15,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:15,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:15,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:15,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c [2019-11-25 08:54:15,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/data/7b5c88d5d/05dd8e0a5d3845ad8bd3963cc85a98cb/FLAG97b5c193a [2019-11-25 08:54:15,865 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:15,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/sv-benchmarks/c/ssh-simplified/s3_clnt_1.cil-2.c [2019-11-25 08:54:15,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/data/7b5c88d5d/05dd8e0a5d3845ad8bd3963cc85a98cb/FLAG97b5c193a [2019-11-25 08:54:16,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/data/7b5c88d5d/05dd8e0a5d3845ad8bd3963cc85a98cb [2019-11-25 08:54:16,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:16,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:16,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:16,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:16,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:16,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235c4113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16, skipping insertion in model container [2019-11-25 08:54:16,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:16,314 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:16,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:16,568 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:16,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:16,690 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:16,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16 WrapperNode [2019-11-25 08:54:16,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:16,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:16,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:16,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:16,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:16,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:16,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:16,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:16,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... [2019-11-25 08:54:16,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:16,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:16,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:16,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:16,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/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 [2019-11-25 08:54:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:16,963 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:54:17,482 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-25 08:54:17,483 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-25 08:54:17,484 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:17,484 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:54:17,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:17 BoogieIcfgContainer [2019-11-25 08:54:17,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:17,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:17,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:17,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:17,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:16" (1/3) ... [2019-11-25 08:54:17,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4db81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:17, skipping insertion in model container [2019-11-25 08:54:17,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:16" (2/3) ... [2019-11-25 08:54:17,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4db81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:17, skipping insertion in model container [2019-11-25 08:54:17,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:17" (3/3) ... [2019-11-25 08:54:17,498 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c [2019-11-25 08:54:17,507 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:17,520 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:54:17,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:54:17,549 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:17,549 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:17,550 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:17,550 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:17,550 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:17,550 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:17,550 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:17,550 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-11-25 08:54:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 08:54:17,574 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:17,575 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, 1, 1] [2019-11-25 08:54:17,576 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:17,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:17,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1449582913, now seen corresponding path program 1 times [2019-11-25 08:54:17,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:17,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201240531] [2019-11-25 08:54:17,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:17,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201240531] [2019-11-25 08:54:17,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:17,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:17,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732463802] [2019-11-25 08:54:17,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:17,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:17,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:17,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:17,781 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2019-11-25 08:54:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:17,981 INFO L93 Difference]: Finished difference Result 249 states and 424 transitions. [2019-11-25 08:54:17,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:17,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-25 08:54:17,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:17,996 INFO L225 Difference]: With dead ends: 249 [2019-11-25 08:54:17,996 INFO L226 Difference]: Without dead ends: 113 [2019-11-25 08:54:18,001 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 [2019-11-25 08:54:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-25 08:54:18,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-25 08:54:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-25 08:54:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 170 transitions. [2019-11-25 08:54:18,042 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 170 transitions. Word has length 23 [2019-11-25 08:54:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:18,043 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 170 transitions. [2019-11-25 08:54:18,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 170 transitions. [2019-11-25 08:54:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:54:18,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:18,045 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:18,045 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:18,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1395164605, now seen corresponding path program 1 times [2019-11-25 08:54:18,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:18,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980433932] [2019-11-25 08:54:18,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:18,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980433932] [2019-11-25 08:54:18,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:18,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:18,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232395608] [2019-11-25 08:54:18,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:18,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:18,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:18,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,134 INFO L87 Difference]: Start difference. First operand 113 states and 170 transitions. Second operand 3 states. [2019-11-25 08:54:18,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:18,318 INFO L93 Difference]: Finished difference Result 235 states and 357 transitions. [2019-11-25 08:54:18,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:18,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-25 08:54:18,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:18,320 INFO L225 Difference]: With dead ends: 235 [2019-11-25 08:54:18,320 INFO L226 Difference]: Without dead ends: 131 [2019-11-25 08:54:18,322 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-25 08:54:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2019-11-25 08:54:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-25 08:54:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 190 transitions. [2019-11-25 08:54:18,349 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 190 transitions. Word has length 36 [2019-11-25 08:54:18,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:18,349 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 190 transitions. [2019-11-25 08:54:18,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2019-11-25 08:54:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 08:54:18,352 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:18,352 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:18,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:18,353 INFO L82 PathProgramCache]: Analyzing trace with hash -462629210, now seen corresponding path program 1 times [2019-11-25 08:54:18,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:18,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952718468] [2019-11-25 08:54:18,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 08:54:18,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952718468] [2019-11-25 08:54:18,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:18,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:18,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517383438] [2019-11-25 08:54:18,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:18,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:18,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:18,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,419 INFO L87 Difference]: Start difference. First operand 128 states and 190 transitions. Second operand 3 states. [2019-11-25 08:54:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:18,615 INFO L93 Difference]: Finished difference Result 268 states and 403 transitions. [2019-11-25 08:54:18,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:18,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-25 08:54:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:18,617 INFO L225 Difference]: With dead ends: 268 [2019-11-25 08:54:18,618 INFO L226 Difference]: Without dead ends: 149 [2019-11-25 08:54:18,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-25 08:54:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2019-11-25 08:54:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-25 08:54:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 212 transitions. [2019-11-25 08:54:18,639 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 212 transitions. Word has length 50 [2019-11-25 08:54:18,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:18,640 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 212 transitions. [2019-11-25 08:54:18,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2019-11-25 08:54:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-25 08:54:18,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:18,644 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:18,644 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:18,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:18,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1168372140, now seen corresponding path program 1 times [2019-11-25 08:54:18,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:18,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168474491] [2019-11-25 08:54:18,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-25 08:54:18,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168474491] [2019-11-25 08:54:18,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:18,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:18,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557044155] [2019-11-25 08:54:18,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:18,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,766 INFO L87 Difference]: Start difference. First operand 145 states and 212 transitions. Second operand 3 states. [2019-11-25 08:54:18,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:18,984 INFO L93 Difference]: Finished difference Result 332 states and 500 transitions. [2019-11-25 08:54:18,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:18,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-11-25 08:54:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:18,987 INFO L225 Difference]: With dead ends: 332 [2019-11-25 08:54:18,987 INFO L226 Difference]: Without dead ends: 195 [2019-11-25 08:54:18,989 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-11-25 08:54:19,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 186. [2019-11-25 08:54:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-25 08:54:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 262 transitions. [2019-11-25 08:54:19,003 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 262 transitions. Word has length 67 [2019-11-25 08:54:19,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:19,004 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 262 transitions. [2019-11-25 08:54:19,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 262 transitions. [2019-11-25 08:54:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-25 08:54:19,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:19,007 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:19,007 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:19,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1321156822, now seen corresponding path program 1 times [2019-11-25 08:54:19,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:19,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494005629] [2019-11-25 08:54:19,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-25 08:54:19,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494005629] [2019-11-25 08:54:19,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:19,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:19,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265635158] [2019-11-25 08:54:19,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:19,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:19,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:19,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,098 INFO L87 Difference]: Start difference. First operand 186 states and 262 transitions. Second operand 3 states. [2019-11-25 08:54:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:19,253 INFO L93 Difference]: Finished difference Result 386 states and 551 transitions. [2019-11-25 08:54:19,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:19,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-11-25 08:54:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:19,255 INFO L225 Difference]: With dead ends: 386 [2019-11-25 08:54:19,256 INFO L226 Difference]: Without dead ends: 209 [2019-11-25 08:54:19,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-25 08:54:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 205. [2019-11-25 08:54:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-25 08:54:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 286 transitions. [2019-11-25 08:54:19,277 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 286 transitions. Word has length 67 [2019-11-25 08:54:19,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:19,278 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 286 transitions. [2019-11-25 08:54:19,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 286 transitions. [2019-11-25 08:54:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-25 08:54:19,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:19,286 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:19,286 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:19,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:19,287 INFO L82 PathProgramCache]: Analyzing trace with hash 2047596972, now seen corresponding path program 1 times [2019-11-25 08:54:19,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:19,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240716429] [2019-11-25 08:54:19,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-25 08:54:19,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240716429] [2019-11-25 08:54:19,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:19,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:19,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632373104] [2019-11-25 08:54:19,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:19,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:19,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:19,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,394 INFO L87 Difference]: Start difference. First operand 205 states and 286 transitions. Second operand 3 states. [2019-11-25 08:54:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:19,571 INFO L93 Difference]: Finished difference Result 425 states and 601 transitions. [2019-11-25 08:54:19,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:19,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-11-25 08:54:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:19,573 INFO L225 Difference]: With dead ends: 425 [2019-11-25 08:54:19,573 INFO L226 Difference]: Without dead ends: 229 [2019-11-25 08:54:19,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-11-25 08:54:19,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2019-11-25 08:54:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-11-25 08:54:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 312 transitions. [2019-11-25 08:54:19,586 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 312 transitions. Word has length 83 [2019-11-25 08:54:19,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:19,587 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 312 transitions. [2019-11-25 08:54:19,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 312 transitions. [2019-11-25 08:54:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-25 08:54:19,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:19,589 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:19,590 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:19,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:19,590 INFO L82 PathProgramCache]: Analyzing trace with hash -339026460, now seen corresponding path program 1 times [2019-11-25 08:54:19,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:19,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894734228] [2019-11-25 08:54:19,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-25 08:54:19,643 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894734228] [2019-11-25 08:54:19,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:19,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:19,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931967016] [2019-11-25 08:54:19,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:19,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:19,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:19,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,645 INFO L87 Difference]: Start difference. First operand 226 states and 312 transitions. Second operand 3 states. [2019-11-25 08:54:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:19,690 INFO L93 Difference]: Finished difference Result 658 states and 909 transitions. [2019-11-25 08:54:19,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:19,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-11-25 08:54:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:19,694 INFO L225 Difference]: With dead ends: 658 [2019-11-25 08:54:19,694 INFO L226 Difference]: Without dead ends: 441 [2019-11-25 08:54:19,695 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-11-25 08:54:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2019-11-25 08:54:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-11-25 08:54:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions. [2019-11-25 08:54:19,711 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 103 [2019-11-25 08:54:19,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:19,712 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 607 transitions. [2019-11-25 08:54:19,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions. [2019-11-25 08:54:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-25 08:54:19,714 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:19,714 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:19,715 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:19,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:19,715 INFO L82 PathProgramCache]: Analyzing trace with hash 348265998, now seen corresponding path program 1 times [2019-11-25 08:54:19,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:19,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7509793] [2019-11-25 08:54:19,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:19,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:19,845 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:54:19,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:19 BoogieIcfgContainer [2019-11-25 08:54:19,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:19,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:19,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:19,947 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:19,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:17" (3/4) ... [2019-11-25 08:54:19,949 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:54:20,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b46a9df-5dc8-4d28-a2ad-befc7ec00b6e/bin/uautomizer/witness.graphml [2019-11-25 08:54:20,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:20,089 INFO L168 Benchmark]: Toolchain (without parser) took 3841.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -74.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:20,090 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:20,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:20,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 1.0 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. [2019-11-25 08:54:20,091 INFO L168 Benchmark]: Boogie Preprocessor took 34.97 ms. Allocated memory is still 1.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:20,091 INFO L168 Benchmark]: RCFGBuilder took 705.97 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 952.7 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:20,091 INFO L168 Benchmark]: TraceAbstraction took 2459.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:20,092 INFO L168 Benchmark]: Witness Printer took 141.11 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:20,094 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 1.0 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. * Boogie Preprocessor took 34.97 ms. Allocated memory is still 1.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 705.97 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 952.7 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2459.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Witness Printer took 141.11 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L548] int s ; [L552] s = 12292 [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__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [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_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [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 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] long __cil_tmp56 ; [L65] long __cil_tmp57 ; [L66] long __cil_tmp58 ; [L67] long __cil_tmp59 ; [L68] long __cil_tmp60 ; [L69] long __cil_tmp61 ; [L70] long __cil_tmp62 ; [L71] long __cil_tmp63 ; [L72] long __cil_tmp64 ; [L76] s__state = initial_state [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND TRUE s__info_callback != 0 [L84] cb = s__info_callback [L90] s__in_handshake ++ [L91] COND FALSE !(tmp___1 - 12288) [L97] COND TRUE 1 [L99] state = s__state [L100] COND TRUE s__state == 12292 [L202] s__new_session = 1 [L203] s__state = 4096 [L204] s__ctx__stats__sess_connect_renegotiate ++ [L209] s__server = 0 [L210] COND TRUE cb != 0 [L214] __cil_tmp55 = s__version - 65280 [L215] COND FALSE !(__cil_tmp55 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L233] COND FALSE !(! tmp___4) [L237] COND FALSE !(! tmp___5) [L241] s__state = 4368 [L242] s__ctx__stats__sess_connect ++ [L243] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND TRUE s__state == 4368 [L247] s__shutdown = 0 [L248] ret = __VERIFIER_nondet_int() [L249] COND TRUE blastFlag == 0 [L250] blastFlag = 1 [L252] COND FALSE !(ret <= 0) [L255] s__state = 4384 [L256] s__init_num = 0 [L257] COND TRUE s__bbio != s__wbio [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND TRUE s__state == 4384 [L263] ret = __VERIFIER_nondet_int() [L264] COND TRUE blastFlag == 1 [L265] blastFlag = 2 [L267] COND FALSE !(ret <= 0) [L270] COND FALSE !(\read(s__hit)) [L273] s__state = 4400 [L275] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND TRUE s__state == 4400 [L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256) [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 2 [L284] blastFlag = 3 [L286] COND FALSE !(ret <= 0) [L290] s__state = 4416 [L291] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND TRUE s__state == 4416 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 3 [L297] blastFlag = 4 [L299] COND FALSE !(ret <= 0) [L302] s__state = 4432 [L303] s__init_num = 0 [L304] COND FALSE !(! tmp___6) [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND FALSE !(s__state == 4416) [L136] COND FALSE !(s__state == 4417) [L139] COND TRUE s__state == 4432 [L311] ret = __VERIFIER_nondet_int() [L312] COND TRUE blastFlag == 4 [L543] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1216 SDtfs, 252 SDslu, 644 SDs, 0 SdLazy, 617 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=441occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 46848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 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...