./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:51,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:51,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:51,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:51,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:51,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:51,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:51,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:51,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:51,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:51,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:51,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:51,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:51,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:51,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:52,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:52,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:52,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:52,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:52,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:52,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:52,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:52,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:52,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:52,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:52,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:52,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:52,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:52,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:52,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:52,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:52,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:52,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:52,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:52,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:52,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:52,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:52,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:52,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:52,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:52,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:52,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:03:52,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:52,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:52,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:52,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:52,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:52,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:52,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:52,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:52,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:52,116 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:03:52,117 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:52,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:52,117 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:03:52,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:03:52,118 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:52,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:03:52,118 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:03:52,118 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:03:52,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:52,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:52,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:03:52,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:52,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:52,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:52,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:52,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:52,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:52,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:52,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:52,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:52,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:52,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:52,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:52,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:52,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:52,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:52,125 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:03:52,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:03:52,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:52,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:52,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:52,126 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2021-11-23 17:03:52,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:52,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:52,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:52,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:52,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:52,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-11-23 17:03:52,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/9ad19f941/7bde8a2a8bff438e9ebcc617abb3c153/FLAG41224956e [2021-11-23 17:03:53,229 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:53,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-11-23 17:03:53,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/9ad19f941/7bde8a2a8bff438e9ebcc617abb3c153/FLAG41224956e [2021-11-23 17:03:53,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/9ad19f941/7bde8a2a8bff438e9ebcc617abb3c153 [2021-11-23 17:03:53,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:53,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:53,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:53,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:53,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:53,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:53" (1/1) ... [2021-11-23 17:03:53,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790af6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:53, skipping insertion in model container [2021-11-23 17:03:53,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:53" (1/1) ... [2021-11-23 17:03:53,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:53,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:54,046 WARN L230 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-11-23 17:03:54,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:54,092 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:54,212 WARN L230 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-11-23 17:03:54,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:54,231 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:54,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54 WrapperNode [2021-11-23 17:03:54,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:54,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:54,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:54,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:54,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,321 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 788 [2021-11-23 17:03:54,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:54,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:54,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:54,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:54,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:54,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:54,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:54,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:54,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:54" (1/1) ... [2021-11-23 17:03:54,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:54,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:54,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:03:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:03:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:03:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:03:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:03:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:03:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:54,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:54,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:54,790 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:03:57,802 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 17:03:57,803 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 17:03:57,803 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:57,874 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:03:57,884 INFO L158 Benchmark]: Toolchain (without parser) took 4419.31ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 80.0MB in the beginning and 57.3MB in the end (delta: 22.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-23 17:03:57,885 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:57,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.04ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 80.0MB in the beginning and 97.4MB in the end (delta: -17.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:57,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.16ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 92.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:57,889 INFO L158 Benchmark]: Boogie Preprocessor took 119.78ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 85.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:57,889 INFO L158 Benchmark]: RCFGBuilder took 3434.89ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 57.3MB in the end (delta: 28.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-23 17:03:57,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.04ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 80.0MB in the beginning and 97.4MB in the end (delta: -17.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.16ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 92.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.78ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 85.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3434.89ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 57.3MB in the end (delta: 28.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:03:57,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:00,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:00,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:00,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:00,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:00,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:00,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:00,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:00,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:00,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:00,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:00,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:00,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:00,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:00,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:00,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:00,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:00,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:00,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:00,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:00,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:00,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:00,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:00,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:00,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:00,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:00,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:00,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:00,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:00,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:00,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:00,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:00,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:00,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:00,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:00,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:00,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:00,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:00,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:00,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:00,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:00,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:04:00,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:00,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:00,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:00,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:00,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:00,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:00,793 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:00,794 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:00,794 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:00,794 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:00,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:00,796 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:00,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:00,798 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:04:00,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:04:00,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:00,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:04:00,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:00,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:04:00,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:00,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:04:00,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:04:00,800 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:04:00,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:04:00,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:00,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:04:00,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:00,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:04:00,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:00,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:00,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:00,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:00,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:04:00,804 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:04:00,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:04:00,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:04:00,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:00,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:00,806 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2021-11-23 17:04:01,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:01,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:01,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:01,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:01,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:01,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-11-23 17:04:01,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/fe1bf6998/9064b0e02fc44b87bf9ccaea10996aba/FLAGbf0a719d3 [2021-11-23 17:04:02,130 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:02,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-11-23 17:04:02,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/fe1bf6998/9064b0e02fc44b87bf9ccaea10996aba/FLAGbf0a719d3 [2021-11-23 17:04:02,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/data/fe1bf6998/9064b0e02fc44b87bf9ccaea10996aba [2021-11-23 17:04:02,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:02,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:02,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:02,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:02,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:02,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:02" (1/1) ... [2021-11-23 17:04:02,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72918913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:02, skipping insertion in model container [2021-11-23 17:04:02,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:02" (1/1) ... [2021-11-23 17:04:02,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:02,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:02,838 WARN L230 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-11-23 17:04:02,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:02,879 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:04:02,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:03,084 WARN L230 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-11-23 17:04:03,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:03,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:03,186 WARN L230 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_9b63d567-b722-464d-81e1-9fa7a234b1f7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-11-23 17:04:03,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:03,208 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:03,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03 WrapperNode [2021-11-23 17:04:03,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:03,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:03,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:03,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:03,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,347 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 757 [2021-11-23 17:04:03,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:03,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:03,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:03,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:03,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:03,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:03,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:03,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:03,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:03,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:04:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:04:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:04:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:04:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:04:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:04:03,795 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:03,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:03,848 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:04:13,046 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 17:04:13,046 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 17:04:13,047 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:04:13,057 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:04:13,057 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:04:13,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:13 BoogieIcfgContainer [2021-11-23 17:04:13,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:04:13,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:04:13,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:04:13,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:04:13,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:04:02" (1/3) ... [2021-11-23 17:04:13,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cf106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:13, skipping insertion in model container [2021-11-23 17:04:13,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03" (2/3) ... [2021-11-23 17:04:13,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cf106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:13, skipping insertion in model container [2021-11-23 17:04:13,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:13" (3/3) ... [2021-11-23 17:04:13,072 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2021-11-23 17:04:13,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:04:13,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:04:13,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:04:13,179 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:04:13,182 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:04:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 17:04:13,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:13,233 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:13,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1430116946, now seen corresponding path program 1 times [2021-11-23 17:04:13,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:13,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425749552] [2021-11-23 17:04:13,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:13,263 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:13,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:04:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:13,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:13,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:04:14,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:14,356 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:14,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425749552] [2021-11-23 17:04:14,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425749552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:14,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:04:14,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697146505] [2021-11-23 17:04:14,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:14,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:14,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:14,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:14,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:14,425 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:14,590 INFO L93 Difference]: Finished difference Result 418 states and 704 transitions. [2021-11-23 17:04:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:14,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-23 17:04:14,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:14,619 INFO L225 Difference]: With dead ends: 418 [2021-11-23 17:04:14,619 INFO L226 Difference]: Without dead ends: 255 [2021-11-23 17:04:14,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:14,631 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 187 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:14,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 457 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 17:04:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-23 17:04:14,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-23 17:04:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.5118110236220472) internal successors, (384), 254 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 384 transitions. [2021-11-23 17:04:14,754 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 384 transitions. Word has length 47 [2021-11-23 17:04:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:14,755 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 384 transitions. [2021-11-23 17:04:14,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 384 transitions. [2021-11-23 17:04:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 17:04:14,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:14,760 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:14,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:14,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:14,984 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:14,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -682574659, now seen corresponding path program 1 times [2021-11-23 17:04:14,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:14,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144498934] [2021-11-23 17:04:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:14,987 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:14,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:15,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:04:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:15,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:15,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:04:16,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:16,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:16,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144498934] [2021-11-23 17:04:16,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144498934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:16,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:16,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:04:16,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388919679] [2021-11-23 17:04:16,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:16,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:16,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:16,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:16,108 INFO L87 Difference]: Start difference. First operand 255 states and 384 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:16,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:16,354 INFO L93 Difference]: Finished difference Result 498 states and 757 transitions. [2021-11-23 17:04:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:16,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-23 17:04:16,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:16,358 INFO L225 Difference]: With dead ends: 498 [2021-11-23 17:04:16,359 INFO L226 Difference]: Without dead ends: 374 [2021-11-23 17:04:16,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:16,362 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:16,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 562 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 17:04:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-11-23 17:04:16,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2021-11-23 17:04:16,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.5067024128686326) internal successors, (562), 373 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 562 transitions. [2021-11-23 17:04:16,392 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 562 transitions. Word has length 64 [2021-11-23 17:04:16,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:16,393 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 562 transitions. [2021-11-23 17:04:16,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 562 transitions. [2021-11-23 17:04:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 17:04:16,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:16,399 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:16,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:16,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:16,628 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:16,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:16,628 INFO L85 PathProgramCache]: Analyzing trace with hash 485035231, now seen corresponding path program 1 times [2021-11-23 17:04:16,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:16,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381976831] [2021-11-23 17:04:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:16,631 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:16,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:16,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:04:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:17,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:17,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 17:04:17,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:17,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:17,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381976831] [2021-11-23 17:04:17,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381976831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:17,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:17,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:04:17,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954959292] [2021-11-23 17:04:17,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:17,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:17,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:17,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:17,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:17,871 INFO L87 Difference]: Start difference. First operand 374 states and 562 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:18,036 INFO L93 Difference]: Finished difference Result 737 states and 1115 transitions. [2021-11-23 17:04:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:18,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-23 17:04:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:18,042 INFO L225 Difference]: With dead ends: 737 [2021-11-23 17:04:18,042 INFO L226 Difference]: Without dead ends: 494 [2021-11-23 17:04:18,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:18,045 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:18,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 566 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 17:04:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-23 17:04:18,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2021-11-23 17:04:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.5050709939148073) internal successors, (742), 493 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 742 transitions. [2021-11-23 17:04:18,080 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 742 transitions. Word has length 86 [2021-11-23 17:04:18,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:18,082 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 742 transitions. [2021-11-23 17:04:18,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 742 transitions. [2021-11-23 17:04:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 17:04:18,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:18,092 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2021-11-23 17:04:18,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:18,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:18,309 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash -220313936, now seen corresponding path program 1 times [2021-11-23 17:04:18,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:18,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998791] [2021-11-23 17:04:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:18,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:18,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:18,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:18,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 17:04:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:19,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:04:19,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 17:04:19,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:19,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:19,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998791] [2021-11-23 17:04:19,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:19,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:19,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:04:19,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446753527] [2021-11-23 17:04:19,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:19,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:04:19,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:19,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:04:19,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:19,615 INFO L87 Difference]: Start difference. First operand 494 states and 742 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:19,783 INFO L93 Difference]: Finished difference Result 854 states and 1285 transitions. [2021-11-23 17:04:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:04:19,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-11-23 17:04:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:19,789 INFO L225 Difference]: With dead ends: 854 [2021-11-23 17:04:19,790 INFO L226 Difference]: Without dead ends: 491 [2021-11-23 17:04:19,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:04:19,792 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 138 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:19,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 561 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 17:04:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-23 17:04:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-11-23 17:04:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.493877551020408) internal successors, (732), 490 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 732 transitions. [2021-11-23 17:04:19,814 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 732 transitions. Word has length 127 [2021-11-23 17:04:19,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:19,815 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 732 transitions. [2021-11-23 17:04:19,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 732 transitions. [2021-11-23 17:04:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 17:04:19,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:19,819 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-11-23 17:04:19,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:20,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:20,033 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:20,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1760202500, now seen corresponding path program 1 times [2021-11-23 17:04:20,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:20,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143473887] [2021-11-23 17:04:20,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:20,042 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:20,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:20,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 17:04:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:21,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 17:04:21,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:21,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 17:04:21,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 17:04:22,366 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-11-23 17:04:22,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-11-23 17:04:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,500 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-23 17:04:22,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-11-23 17:04:22,753 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-11-23 17:04:22,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-11-23 17:04:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:22,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-11-23 17:04:22,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-23 17:04:22,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-23 17:04:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-23 17:04:23,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:23,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:23,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143473887] [2021-11-23 17:04:23,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143473887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:23,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:23,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 17:04:23,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232403339] [2021-11-23 17:04:23,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:23,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 17:04:23,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 17:04:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 17:04:23,238 INFO L87 Difference]: Start difference. First operand 491 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:25,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:27,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:29,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:35,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:37,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:38,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:38,164 INFO L93 Difference]: Finished difference Result 979 states and 1460 transitions. [2021-11-23 17:04:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 17:04:38,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-11-23 17:04:38,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:38,170 INFO L225 Difference]: With dead ends: 979 [2021-11-23 17:04:38,170 INFO L226 Difference]: Without dead ends: 491 [2021-11-23 17:04:38,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 17:04:38,172 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 7 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:38,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 635 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2021-11-23 17:04:38,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-23 17:04:38,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-11-23 17:04:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.4918367346938775) internal successors, (731), 490 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 731 transitions. [2021-11-23 17:04:38,192 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 731 transitions. Word has length 128 [2021-11-23 17:04:38,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:38,194 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 731 transitions. [2021-11-23 17:04:38,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 731 transitions. [2021-11-23 17:04:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 17:04:38,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:38,200 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-11-23 17:04:38,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:38,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:38,408 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1330544194, now seen corresponding path program 1 times [2021-11-23 17:04:38,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:38,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144175684] [2021-11-23 17:04:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:38,410 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:38,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:38,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 17:04:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:04:40,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 17:04:40,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:04:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:04:40,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:04:40,357 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-11-23 17:04:40,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-11-23 17:04:40,870 INFO L354 Elim1Store]: treesize reduction 825, result has 7.2 percent of original size [2021-11-23 17:04:40,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-11-23 17:04:41,557 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-23 17:04:41,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 23 [2021-11-23 17:04:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 17:04:41,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:04:41,761 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:04:41,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144175684] [2021-11-23 17:04:41,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144175684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:04:41,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:04:41,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 17:04:41,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172825823] [2021-11-23 17:04:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:04:41,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 17:04:41,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:04:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 17:04:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 17:04:41,764 INFO L87 Difference]: Start difference. First operand 491 states and 731 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:43,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:46,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:50,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:54,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:04:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:04:57,235 INFO L93 Difference]: Finished difference Result 1122 states and 1671 transitions. [2021-11-23 17:04:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 17:04:57,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-11-23 17:04:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:04:57,244 INFO L225 Difference]: With dead ends: 1122 [2021-11-23 17:04:57,244 INFO L226 Difference]: Without dead ends: 641 [2021-11-23 17:04:57,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 17:04:57,246 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 39 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-23 17:04:57,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 566 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 183 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2021-11-23 17:04:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-11-23 17:04:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 566. [2021-11-23 17:04:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.5221238938053097) internal successors, (860), 565 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 860 transitions. [2021-11-23 17:04:57,273 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 860 transitions. Word has length 128 [2021-11-23 17:04:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:04:57,274 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 860 transitions. [2021-11-23 17:04:57,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:04:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 860 transitions. [2021-11-23 17:04:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 17:04:57,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:57,278 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-11-23 17:04:57,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:57,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:57,501 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:04:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:57,501 INFO L85 PathProgramCache]: Analyzing trace with hash -545938624, now seen corresponding path program 1 times [2021-11-23 17:04:57,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:57,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527772243] [2021-11-23 17:04:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:57,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:57,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:57,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 17:05:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:05:01,934 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 17:05:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:05:05,749 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-23 17:05:05,749 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 17:05:05,750 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:05:05,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 17:05:05,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:05:05,967 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:05:05,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:05:06,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:05:06 BoogieIcfgContainer [2021-11-23 17:05:06,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:05:06,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:05:06,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:05:06,212 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:05:06,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:13" (3/4) ... [2021-11-23 17:05:06,215 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 17:05:06,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 17:05:06,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:05:06,426 INFO L158 Benchmark]: Toolchain (without parser) took 64161.52ms. Allocated memory was 56.6MB in the beginning and 111.1MB in the end (delta: 54.5MB). Free memory was 32.8MB in the beginning and 75.8MB in the end (delta: -43.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,427 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:06,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.04ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.6MB in the beginning and 33.9MB in the end (delta: -1.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.60ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 46.8MB in the end (delta: -12.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,428 INFO L158 Benchmark]: Boogie Preprocessor took 127.14ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 39.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,429 INFO L158 Benchmark]: RCFGBuilder took 9583.75ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 42.6MB in the end (delta: -2.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,430 INFO L158 Benchmark]: TraceAbstraction took 53148.99ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 41.9MB in the beginning and 44.3MB in the end (delta: -2.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,430 INFO L158 Benchmark]: Witness Printer took 214.30ms. Allocated memory is still 111.1MB. Free memory was 44.3MB in the beginning and 75.8MB in the end (delta: -31.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 17:05:06,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.04ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.6MB in the beginning and 33.9MB in the end (delta: -1.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.60ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 46.8MB in the end (delta: -12.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.14ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 39.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9583.75ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 42.6MB in the end (delta: -2.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 53148.99ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 41.9MB in the beginning and 44.3MB in the end (delta: -2.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 214.30ms. Allocated memory is still 111.1MB. Free memory was 44.3MB in the beginning and 75.8MB in the end (delta: -31.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1737]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1160] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->cert={1073741823:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=0, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1383] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___9=2147483648] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1618] COND TRUE blastFlag == 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1737] reach_error() VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.8s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 30.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 3347 SdHoareTripleChecker+Invalid, 30.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1558 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 418 IncrementalHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1789 mSDtfsCounter, 418 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=566occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 8.3s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 574 ConstructedInterpolants, 0 QuantifiedInterpolants, 1718 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4568 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 359/359 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! [2021-11-23 17:05:06,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b63d567-b722-464d-81e1-9fa7a234b1f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE