./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87a4b11fd60d88478c9ad5217320492e74a11c2e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-7b2dab5 [2021-10-11 00:20:13,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:13,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:13,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:13,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:13,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:13,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:13,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:13,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:13,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:13,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:13,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:13,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:13,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:13,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:13,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:13,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:13,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:13,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:13,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:13,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:13,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:13,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:13,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:13,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:13,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:13,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:13,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:13,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:13,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:13,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:13,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:13,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:13,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:13,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:13,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:13,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:13,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:13,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:13,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:13,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:13,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:13,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:13,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:13,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:13,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:13,325 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:13,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:13,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:13,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:13,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:13,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:13,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:13,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:13,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:13,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:13,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:13,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:13,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:13,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:13,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:13,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:13,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:13,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:13,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a4b11fd60d88478c9ad5217320492e74a11c2e [2021-10-11 00:20:13,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:13,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:13,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:13,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:13,671 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:13,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2021-10-11 00:20:13,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/data/3083195a6/9962e7911ddf4e9990d545113b61ab42/FLAGe813d4285 [2021-10-11 00:20:14,333 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:14,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2021-10-11 00:20:14,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/data/3083195a6/9962e7911ddf4e9990d545113b61ab42/FLAGe813d4285 [2021-10-11 00:20:14,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/data/3083195a6/9962e7911ddf4e9990d545113b61ab42 [2021-10-11 00:20:14,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:14,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:14,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:14,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:14,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:14,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:14,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49981eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14, skipping insertion in model container [2021-10-11 00:20:14,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:14,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:14,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:15,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43262,43275] [2021-10-11 00:20:15,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:15,188 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:15,256 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43262,43275] [2021-10-11 00:20:15,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:15,273 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:15,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15 WrapperNode [2021-10-11 00:20:15,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:15,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:15,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:15,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:15,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:15,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:15,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:15,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:15,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... [2021-10-11 00:20:15,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:15,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:15,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:15,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:15,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:15,828 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:20:16,446 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-11 00:20:16,446 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-11 00:20:16,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:16,456 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:20:16,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:16 BoogieIcfgContainer [2021-10-11 00:20:16,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:16,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:16,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:16,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:16,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:14" (1/3) ... [2021-10-11 00:20:16,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b20e99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:16, skipping insertion in model container [2021-10-11 00:20:16,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:15" (2/3) ... [2021-10-11 00:20:16,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b20e99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:16, skipping insertion in model container [2021-10-11 00:20:16,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:16" (3/3) ... [2021-10-11 00:20:16,466 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2021-10-11 00:20:16,480 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:16,483 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:20:16,494 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:20:16,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:16,518 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:16,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:16,518 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:16,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:16,518 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:16,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:16,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-10-11 00:20:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:20:16,544 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:16,545 INFO L422 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] [2021-10-11 00:20:16,545 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:16,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:16,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2021-10-11 00:20:16,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:16,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354992966] [2021-10-11 00:20:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:16,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354992966] [2021-10-11 00:20:16,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:16,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:16,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783417260] [2021-10-11 00:20:16,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:16,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:16,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:16,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:16,799 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2021-10-11 00:20:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:17,111 INFO L93 Difference]: Finished difference Result 312 states and 530 transitions. [2021-10-11 00:20:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:17,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 00:20:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:17,132 INFO L225 Difference]: With dead ends: 312 [2021-10-11 00:20:17,144 INFO L226 Difference]: Without dead ends: 153 [2021-10-11 00:20:17,148 INFO L677 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 [2021-10-11 00:20:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-11 00:20:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2021-10-11 00:20:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2021-10-11 00:20:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2021-10-11 00:20:17,205 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2021-10-11 00:20:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:17,205 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2021-10-11 00:20:17,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2021-10-11 00:20:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:17,208 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:17,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:17,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:17,209 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:17,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:17,210 INFO L82 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2021-10-11 00:20:17,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:17,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925963496] [2021-10-11 00:20:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:17,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925963496] [2021-10-11 00:20:17,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:17,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:17,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267772123] [2021-10-11 00:20:17,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:17,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:17,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:17,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:17,304 INFO L87 Difference]: Start difference. First operand 151 states and 236 transitions. Second operand 3 states. [2021-10-11 00:20:17,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:17,546 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2021-10-11 00:20:17,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:17,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:20:17,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:17,553 INFO L225 Difference]: With dead ends: 314 [2021-10-11 00:20:17,553 INFO L226 Difference]: Without dead ends: 171 [2021-10-11 00:20:17,558 INFO L677 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 [2021-10-11 00:20:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-11 00:20:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2021-10-11 00:20:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2021-10-11 00:20:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2021-10-11 00:20:17,593 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2021-10-11 00:20:17,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:17,594 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2021-10-11 00:20:17,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2021-10-11 00:20:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:17,598 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:17,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:17,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:17,599 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:17,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:17,600 INFO L82 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2021-10-11 00:20:17,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:17,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902640854] [2021-10-11 00:20:17,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:17,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902640854] [2021-10-11 00:20:17,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:17,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:17,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781419555] [2021-10-11 00:20:17,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:17,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:17,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:17,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:17,728 INFO L87 Difference]: Start difference. First operand 169 states and 267 transitions. Second operand 3 states. [2021-10-11 00:20:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:17,933 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2021-10-11 00:20:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:17,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:20:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:17,937 INFO L225 Difference]: With dead ends: 331 [2021-10-11 00:20:17,937 INFO L226 Difference]: Without dead ends: 170 [2021-10-11 00:20:17,939 INFO L677 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 [2021-10-11 00:20:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-10-11 00:20:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-10-11 00:20:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2021-10-11 00:20:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2021-10-11 00:20:17,971 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2021-10-11 00:20:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:17,971 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2021-10-11 00:20:17,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2021-10-11 00:20:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:20:17,977 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:17,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:17,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:17,978 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2021-10-11 00:20:17,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:17,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059566709] [2021-10-11 00:20:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:18,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059566709] [2021-10-11 00:20:18,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:18,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:18,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101916279] [2021-10-11 00:20:18,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:18,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:18,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:18,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:18,051 INFO L87 Difference]: Start difference. First operand 170 states and 268 transitions. Second operand 3 states. [2021-10-11 00:20:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:18,212 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2021-10-11 00:20:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:18,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:20:18,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:18,215 INFO L225 Difference]: With dead ends: 341 [2021-10-11 00:20:18,215 INFO L226 Difference]: Without dead ends: 179 [2021-10-11 00:20:18,216 INFO L677 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 [2021-10-11 00:20:18,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-11 00:20:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2021-10-11 00:20:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-10-11 00:20:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2021-10-11 00:20:18,242 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2021-10-11 00:20:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:18,243 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2021-10-11 00:20:18,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2021-10-11 00:20:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:20:18,244 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:18,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:18,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:18,244 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:18,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:18,245 INFO L82 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2021-10-11 00:20:18,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:18,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890190902] [2021-10-11 00:20:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:18,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890190902] [2021-10-11 00:20:18,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:18,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:18,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809394884] [2021-10-11 00:20:18,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:18,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:18,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:18,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:18,332 INFO L87 Difference]: Start difference. First operand 179 states and 277 transitions. Second operand 3 states. [2021-10-11 00:20:18,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:18,522 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2021-10-11 00:20:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:18,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:20:18,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:18,524 INFO L225 Difference]: With dead ends: 360 [2021-10-11 00:20:18,524 INFO L226 Difference]: Without dead ends: 189 [2021-10-11 00:20:18,525 INFO L677 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 [2021-10-11 00:20:18,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-10-11 00:20:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2021-10-11 00:20:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-10-11 00:20:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2021-10-11 00:20:18,536 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2021-10-11 00:20:18,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:18,536 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2021-10-11 00:20:18,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2021-10-11 00:20:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:20:18,554 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:18,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:18,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:18,554 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2021-10-11 00:20:18,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:18,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794315444] [2021-10-11 00:20:18,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:18,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794315444] [2021-10-11 00:20:18,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:18,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:18,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808603176] [2021-10-11 00:20:18,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:18,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:18,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:18,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:18,638 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand 3 states. [2021-10-11 00:20:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:18,878 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2021-10-11 00:20:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:18,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:20:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:18,881 INFO L225 Difference]: With dead ends: 360 [2021-10-11 00:20:18,881 INFO L226 Difference]: Without dead ends: 189 [2021-10-11 00:20:18,882 INFO L677 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 [2021-10-11 00:20:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-10-11 00:20:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2021-10-11 00:20:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-10-11 00:20:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2021-10-11 00:20:18,902 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2021-10-11 00:20:18,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:18,903 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2021-10-11 00:20:18,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2021-10-11 00:20:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:20:18,909 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:18,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:18,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:20:18,914 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:18,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:18,914 INFO L82 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2021-10-11 00:20:18,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:18,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10439271] [2021-10-11 00:20:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:18,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:19,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:19,063 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:19,064 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:20:19,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:20:19,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:19 BoogieIcfgContainer [2021-10-11 00:20:19,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:19,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:19,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:19,157 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:19,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:16" (3/4) ... [2021-10-11 00:20:19,160 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:20:19,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2422b0f1-33e8-4941-af7b-221774dc6ff3/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:19,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:19,263 INFO L168 Benchmark]: Toolchain (without parser) took 4600.57 ms. Allocated memory was 77.6 MB in the beginning and 132.1 MB in the end (delta: 54.5 MB). Free memory was 39.4 MB in the beginning and 53.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,264 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:19,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.88 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 39.2 MB in the beginning and 73.8 MB in the end (delta: -34.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.66 ms. Allocated memory is still 104.9 MB. Free memory was 73.8 MB in the beginning and 71.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,265 INFO L168 Benchmark]: Boogie Preprocessor took 69.84 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,266 INFO L168 Benchmark]: RCFGBuilder took 1041.53 ms. Allocated memory is still 104.9 MB. Free memory was 68.6 MB in the beginning and 61.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,266 INFO L168 Benchmark]: TraceAbstraction took 2696.38 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 58.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,267 INFO L168 Benchmark]: Witness Printer took 104.88 ms. Allocated memory is still 132.1 MB. Free memory was 58.4 MB in the beginning and 53.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:19,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.88 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 39.2 MB in the beginning and 73.8 MB in the end (delta: -34.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.66 ms. Allocated memory is still 104.9 MB. Free memory was 73.8 MB in the beginning and 71.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.84 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1041.53 ms. Allocated memory is still 104.9 MB. Free memory was 68.6 MB in the beginning and 61.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2696.38 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 58.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Witness Printer took 104.88 ms. Allocated memory is still 132.1 MB. Free memory was 58.4 MB in the beginning and 53.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 630]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L636] int s ; [L637] int tmp ; [L641] s = 8464 [L13] int s__info_callback = __VERIFIER_nondet_int() ; [L14] int s__in_handshake = __VERIFIER_nondet_int() ; [L15] int s__state ; [L16] int s__new_session ; [L17] int s__server ; [L18] int s__version = __VERIFIER_nondet_int() ; [L19] int s__type ; [L20] int s__init_num ; [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__cert = __VERIFIER_nondet_int() ; [L27] int s__options = __VERIFIER_nondet_int() ; [L28] int s__verify_mode = __VERIFIER_nondet_int() ; [L29] int s__session__peer = __VERIFIER_nondet_int() ; [L30] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L31] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L34] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__cert_request ; [L36] int s__s3__tmp__reuse_message ; [L37] int s__s3__tmp__use_rsa_tmp ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int buf = __VERIFIER_nondet_int() ; [L44] unsigned long l ; [L45] unsigned long Time ; [L46] unsigned long tmp = __VERIFIER_nondet_long() ; [L47] int cb ; [L48] long num1 ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int got_new_session ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 ; [L57] int tmp___4 ; [L58] int tmp___5 ; [L59] int tmp___6 ; [L60] int tmp___7 ; [L61] long tmp___8 = __VERIFIER_nondet_long() ; [L62] int tmp___9 ; [L63] int tmp___10 ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] unsigned long __cil_tmp57 ; [L68] unsigned long __cil_tmp58 ; [L69] unsigned long __cil_tmp59 ; [L70] int __cil_tmp60 ; [L71] unsigned long __cil_tmp61 ; [L74] s__s3__tmp__new_cipher__algorithms = 0 [L75] __cil_tmp56 = 0 [L76] __cil_tmp57 = 0 [L77] __cil_tmp58 = 0 [L78] __cil_tmp59 = 0 [L79] __cil_tmp60 = 0 [L80] __cil_tmp61 = 0 [L81] s__s3__tmp__reuse_message = 0 [L82] s__state = initial_state [L83] blastFlag = 0 [L84] Time = tmp [L85] cb = 0 [L86] ret = -1 [L87] skip = 0 [L88] got_new_session = 0 [L89] COND TRUE s__info_callback != 0 [L90] cb = s__info_callback [L96] s__in_handshake ++ [L97] COND FALSE !(tmp___1 + 12288) [L102] COND FALSE !(s__cert == 0) [L106] COND TRUE 1 [L108] state = s__state [L109] COND FALSE !(s__state == 12292) [L112] COND FALSE !(s__state == 16384) [L115] COND FALSE !(s__state == 8192) [L118] COND FALSE !(s__state == 24576) [L121] COND FALSE !(s__state == 8195) [L124] COND FALSE !(s__state == 8480) [L127] COND FALSE !(s__state == 8481) [L130] COND FALSE !(s__state == 8482) [L133] COND TRUE s__state == 8464 [L277] s__shutdown = 0 [L278] ret = __VERIFIER_nondet_int() [L279] COND TRUE blastFlag == 0 [L280] blastFlag = 1 [L282] COND FALSE !(ret <= 0) [L285] got_new_session = 1 [L286] s__state = 8496 [L287] s__init_num = 0 [L593] COND TRUE ! s__s3__tmp__reuse_message [L594] COND TRUE ! skip [L595] COND TRUE state == 8464 [L596] COND TRUE s__state == 8496 [L597] COND TRUE cb != 0 [L598] COND TRUE s__info_callback != 0 [L630] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 1058 SDslu, 126 SDs, 0 SdLazy, 496 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=4, 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, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...