./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan --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 77ee66abd2a03836cba1056e8b8f081ca3f237e1 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan --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 77ee66abd2a03836cba1056e8b8f081ca3f237e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:20,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:20,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:20,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:20,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:20,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:20,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:20,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:20,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:20,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:20,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:20,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:20,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:20,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:20,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:20,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:20,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:20,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:20,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:20,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:20,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:20,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:20,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:20,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:20,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:20,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:20,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:20,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:20,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:20,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:20,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:20,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:20,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:20,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:20,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:20,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:20,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:20,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:20,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:20,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:20,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:20,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:20,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:20,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:20,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:20,940 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:20,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:20,940 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:20,940 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:20,941 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:20,941 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:20,941 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:20,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:20,941 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:20,942 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:20,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:20,942 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:20,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:20,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:20,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:20,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:20,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:20,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:20,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:20,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:20,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:20,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:20,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:20,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:20,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:20,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:20,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:20,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:20,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:20,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:20,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:20,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:20,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:20,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:20,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:20,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:20,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:20,949 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-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ee66abd2a03836cba1056e8b8f081ca3f237e1 [2020-11-22 12:56:21,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:21,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:21,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:21,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:21,315 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:21,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2020-11-22 12:56:21,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/999c04e94/24db955900344747a76f8d0e67af1a94/FLAG1df3b71d5 [2020-11-22 12:56:21,993 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:21,993 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2020-11-22 12:56:22,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/999c04e94/24db955900344747a76f8d0e67af1a94/FLAG1df3b71d5 [2020-11-22 12:56:22,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/999c04e94/24db955900344747a76f8d0e67af1a94 [2020-11-22 12:56:22,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:22,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:22,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:22,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:22,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:22,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:22" (1/1) ... [2020-11-22 12:56:22,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be26ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:22, skipping insertion in model container [2020-11-22 12:56:22,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:22" (1/1) ... [2020-11-22 12:56:22,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:22,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:22,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:22,791 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:56:22,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1170f8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:22, skipping insertion in model container [2020-11-22 12:56:22,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:22,792 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:22,794 INFO L168 Benchmark]: Toolchain (without parser) took 533.02 ms. Allocated memory is still 83.9 MB. Free memory was 47.4 MB in the beginning and 52.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:22,797 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:22,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.45 ms. Allocated memory is still 83.9 MB. Free memory was 47.2 MB in the beginning and 52.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:22,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 530.45 ms. Allocated memory is still 83.9 MB. Free memory was 47.2 MB in the beginning and 52.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1040]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:25,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:25,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:25,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:25,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:25,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:25,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:25,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:25,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:25,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:25,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:25,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:25,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:25,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:25,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:25,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:25,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:25,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:25,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:25,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:25,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:25,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:25,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:25,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:25,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:25,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:25,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:25,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:25,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:25,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:25,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:25,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:25,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:25,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:25,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:25,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:25,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:25,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:25,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:25,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:25,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:25,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:25,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:25,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:25,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:25,218 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:25,219 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:25,219 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:25,219 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:25,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:25,219 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:25,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:25,222 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:25,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:25,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:25,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:25,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:25,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:25,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:25,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:25,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:25,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:25,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:25,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:25,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:25,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:25,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:25,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:25,226 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:25,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:25,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:25,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:25,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:25,227 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-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ee66abd2a03836cba1056e8b8f081ca3f237e1 [2020-11-22 12:56:25,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:25,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:25,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:25,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:25,672 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:25,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2020-11-22 12:56:25,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/8879debf6/dff60b09a6fc4584a90db19c4ebaa474/FLAG2d607e397 [2020-11-22 12:56:26,497 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:26,498 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2020-11-22 12:56:26,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/8879debf6/dff60b09a6fc4584a90db19c4ebaa474/FLAG2d607e397 [2020-11-22 12:56:26,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/data/8879debf6/dff60b09a6fc4584a90db19c4ebaa474 [2020-11-22 12:56:26,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:26,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:26,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:26,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:26,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:26,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1119161d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26, skipping insertion in model container [2020-11-22 12:56:26,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:26,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:27,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:27,386 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:56:27,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:27,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:27,548 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:27,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:27,719 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:27,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27 WrapperNode [2020-11-22 12:56:27,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:27,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:27,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:27,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:27,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:27,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:27,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:27,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:27,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... [2020-11-22 12:56:27,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:27,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:27,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:27,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:27,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-22 12:56:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-22 12:56:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 12:56:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:28,400 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-22 12:56:42,837 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-11-22 12:56:42,837 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-11-22 12:56:42,852 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:42,852 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 12:56:42,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:42 BoogieIcfgContainer [2020-11-22 12:56:42,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:42,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:42,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:42,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:42,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:26" (1/3) ... [2020-11-22 12:56:42,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ea943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:42, skipping insertion in model container [2020-11-22 12:56:42,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:27" (2/3) ... [2020-11-22 12:56:42,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ea943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:42, skipping insertion in model container [2020-11-22 12:56:42,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:42" (3/3) ... [2020-11-22 12:56:42,863 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2020-11-22 12:56:42,875 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:42,880 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:42,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:42,931 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:42,931 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:42,932 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:42,932 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:42,932 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:42,932 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:42,932 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:42,932 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-11-22 12:56:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-22 12:56:42,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:42,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:42,969 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:42,975 INFO L82 PathProgramCache]: Analyzing trace with hash 522834703, now seen corresponding path program 1 times [2020-11-22 12:56:42,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:42,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176327070] [2020-11-22 12:56:42,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:43,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:43,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:43,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176327070] [2020-11-22 12:56:43,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:43,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:43,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917600633] [2020-11-22 12:56:43,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:43,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:43,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:43,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:43,404 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 4 states. [2020-11-22 12:56:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:43,567 INFO L93 Difference]: Finished difference Result 550 states and 926 transitions. [2020-11-22 12:56:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:56:43,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-11-22 12:56:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:43,584 INFO L225 Difference]: With dead ends: 550 [2020-11-22 12:56:43,585 INFO L226 Difference]: Without dead ends: 373 [2020-11-22 12:56:43,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:43,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-11-22 12:56:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2020-11-22 12:56:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-11-22 12:56:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 562 transitions. [2020-11-22 12:56:43,653 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 562 transitions. Word has length 45 [2020-11-22 12:56:43,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:43,654 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 562 transitions. [2020-11-22 12:56:43,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 562 transitions. [2020-11-22 12:56:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-22 12:56:43,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:43,659 INFO L422 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] [2020-11-22 12:56:43,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:43,872 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:43,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:43,873 INFO L82 PathProgramCache]: Analyzing trace with hash -60762572, now seen corresponding path program 1 times [2020-11-22 12:56:43,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:43,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621451090] [2020-11-22 12:56:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:44,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:44,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:44,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621451090] [2020-11-22 12:56:44,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:44,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:44,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042403044] [2020-11-22 12:56:44,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:44,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:44,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:44,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:44,166 INFO L87 Difference]: Start difference. First operand 371 states and 562 transitions. Second operand 4 states. [2020-11-22 12:56:46,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:46,381 INFO L93 Difference]: Finished difference Result 853 states and 1299 transitions. [2020-11-22 12:56:46,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:56:46,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-11-22 12:56:46,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:46,386 INFO L225 Difference]: With dead ends: 853 [2020-11-22 12:56:46,387 INFO L226 Difference]: Without dead ends: 611 [2020-11-22 12:56:46,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-11-22 12:56:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2020-11-22 12:56:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-11-22 12:56:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 922 transitions. [2020-11-22 12:56:46,451 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 922 transitions. Word has length 63 [2020-11-22 12:56:46,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:46,452 INFO L481 AbstractCegarLoop]: Abstraction has 609 states and 922 transitions. [2020-11-22 12:56:46,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 922 transitions. [2020-11-22 12:56:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-22 12:56:46,467 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:46,468 INFO L422 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, 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] [2020-11-22 12:56:46,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:46,670 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:46,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:46,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2005677060, now seen corresponding path program 1 times [2020-11-22 12:56:46,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:46,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868127030] [2020-11-22 12:56:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:47,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:47,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 12:56:47,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 12:56:47,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868127030] [2020-11-22 12:56:47,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:47,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:47,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103832852] [2020-11-22 12:56:47,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:47,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:47,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:47,106 INFO L87 Difference]: Start difference. First operand 609 states and 922 transitions. Second operand 4 states. [2020-11-22 12:56:49,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:49,249 INFO L93 Difference]: Finished difference Result 1091 states and 1654 transitions. [2020-11-22 12:56:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:56:49,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-11-22 12:56:49,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:49,257 INFO L225 Difference]: With dead ends: 1091 [2020-11-22 12:56:49,257 INFO L226 Difference]: Without dead ends: 611 [2020-11-22 12:56:49,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-11-22 12:56:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2020-11-22 12:56:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-11-22 12:56:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 918 transitions. [2020-11-22 12:56:49,300 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 918 transitions. Word has length 123 [2020-11-22 12:56:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:49,301 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 918 transitions. [2020-11-22 12:56:49,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 918 transitions. [2020-11-22 12:56:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-22 12:56:49,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:49,305 INFO L422 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] [2020-11-22 12:56:49,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:49,518 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:49,519 INFO L82 PathProgramCache]: Analyzing trace with hash -877709346, now seen corresponding path program 1 times [2020-11-22 12:56:49,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:49,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071035532] [2020-11-22 12:56:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:50,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:50,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:51,126 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:56:51,127 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:51,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:56:51,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:51 BoogieIcfgContainer [2020-11-22 12:56:51,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:51,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:51,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:51,538 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:51,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:42" (3/4) ... [2020-11-22 12:56:51,541 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:56:51,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d7678001-4ef8-4485-b6a2-4f26113a2de7/bin/utaipan/witness.graphml [2020-11-22 12:56:51,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:51,699 INFO L168 Benchmark]: Toolchain (without parser) took 24994.50 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 34.7 MB in the beginning and 42.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,700 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:51,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1018.91 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.5 MB in the beginning and 40.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.42 ms. Allocated memory is still 75.5 MB. Free memory was 40.2 MB in the beginning and 36.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,703 INFO L168 Benchmark]: Boogie Preprocessor took 147.67 ms. Allocated memory is still 75.5 MB. Free memory was 36.0 MB in the beginning and 49.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,704 INFO L168 Benchmark]: RCFGBuilder took 14863.98 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 49.2 MB in the beginning and 68.4 MB in the end (delta: -19.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,704 INFO L168 Benchmark]: TraceAbstraction took 8680.84 ms. Allocated memory is still 100.7 MB. Free memory was 68.4 MB in the beginning and 59.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,704 INFO L168 Benchmark]: Witness Printer took 159.28 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 42.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1018.91 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.5 MB in the beginning and 40.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.42 ms. Allocated memory is still 75.5 MB. Free memory was 40.2 MB in the beginning and 36.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.67 ms. Allocated memory is still 75.5 MB. Free memory was 36.0 MB in the beginning and 49.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14863.98 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 49.2 MB in the beginning and 68.4 MB in the end (delta: -19.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8680.84 ms. Allocated memory is still 100.7 MB. Free memory was 68.4 MB in the beginning and 59.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * Witness Printer took 159.28 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 42.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1044] static int init = 1; [L1045] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1067] SSL *s ; [L1068] int tmp ; [L1072] s = malloc(sizeof(SSL)) [L1073] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1074] s->ctx = malloc(sizeof(SSL_CTX)) [L1075] s->session = malloc(sizeof(SSL_SESSION)) [L1076] s->state = 8464 [L1083] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1084] unsigned long l ; [L1085] unsigned long Time ; [L1086] unsigned long tmp = __VERIFIER_nondet_long() ; [L1087] void (*cb)() ; [L1088] long num1 ; [L1089] int ret ; [L1090] int new_state ; [L1091] int state ; [L1092] int skip ; [L1093] int got_new_session ; [L1094] int tmp___1 = __VERIFIER_nondet_int() ; [L1095] int tmp___2 = __VERIFIER_nondet_int() ; [L1096] int tmp___3 ; [L1097] int tmp___4 ; [L1098] int tmp___5 ; [L1099] int tmp___6 ; [L1100] int tmp___7 ; [L1101] long tmp___8 = __VERIFIER_nondet_long() ; [L1102] int tmp___9 ; [L1103] int tmp___10 ; [L1104] int blastFlag ; [L1108] blastFlag = 0 [L1109] s->hit=__VERIFIER_nondet_int () [L1110] s->state = 8464 [L1111] Time = tmp [L1112] cb = (void (*)())((void *)0) [L1113] ret = -1 [L1114] skip = 0 [L1115] got_new_session = 0 [L1116] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1116] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1117] EXPR s->info_callback [L1117] cb = s->info_callback [L1121] EXPR s->in_handshake [L1121] s->in_handshake += 1 [L1122] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1131] EXPR s->cert VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1131] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1137] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1139] EXPR s->state [L1139] state = s->state [L1140] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] COND FALSE !(s->state == 12292) [L1143] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1143] COND FALSE !(s->state == 16384) [L1146] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1146] COND FALSE !(s->state == 8192) [L1149] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1149] COND FALSE !(s->state == 24576) [L1152] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1152] COND FALSE !(s->state == 8195) [L1155] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1155] COND FALSE !(s->state == 8480) [L1158] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1158] COND FALSE !(s->state == 8481) [L1161] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1161] COND FALSE !(s->state == 8482) [L1164] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1164] COND TRUE s->state == 8464 [L1320] s->shutdown = 0 [L1321] ret = __VERIFIER_nondet_int() [L1322] COND TRUE blastFlag == 0 [L1323] blastFlag = 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1327] COND FALSE !(ret <= 0) [L1332] got_new_session = 1 [L1333] s->state = 8496 [L1334] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] EXPR s->s3 [L1667] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1696] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1137] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1139] EXPR s->state [L1139] state = s->state [L1140] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] COND FALSE !(s->state == 12292) [L1143] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1143] COND FALSE !(s->state == 16384) [L1146] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1146] COND FALSE !(s->state == 8192) [L1149] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1149] COND FALSE !(s->state == 24576) [L1152] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1152] COND FALSE !(s->state == 8195) [L1155] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1155] COND FALSE !(s->state == 8480) [L1158] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1158] COND FALSE !(s->state == 8481) [L1161] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1161] COND FALSE !(s->state == 8482) [L1164] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1164] COND FALSE !(s->state == 8464) [L1167] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1167] COND FALSE !(s->state == 8465) [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1170] COND FALSE !(s->state == 8466) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1173] COND TRUE s->state == 8496 [L1338] ret = __VERIFIER_nondet_int() [L1339] COND TRUE blastFlag == 1 [L1340] blastFlag = 2 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1344] COND FALSE !(ret <= 0) [L1349] s->hit VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1349] COND TRUE s->hit [L1350] s->state = 8656 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1354] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] EXPR s->s3 [L1667] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1696] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1137] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1139] EXPR s->state [L1139] state = s->state [L1140] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] COND FALSE !(s->state == 12292) [L1143] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1143] COND FALSE !(s->state == 16384) [L1146] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1146] COND FALSE !(s->state == 8192) [L1149] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1149] COND FALSE !(s->state == 24576) [L1152] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1152] COND FALSE !(s->state == 8195) [L1155] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1155] COND FALSE !(s->state == 8480) [L1158] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1158] COND FALSE !(s->state == 8481) [L1161] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1161] COND FALSE !(s->state == 8482) [L1164] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1164] COND FALSE !(s->state == 8464) [L1167] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1167] COND FALSE !(s->state == 8465) [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1170] COND FALSE !(s->state == 8466) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1173] COND FALSE !(s->state == 8496) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1176] COND FALSE !(s->state == 8497) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1179] COND FALSE !(s->state == 8512) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1182] COND FALSE !(s->state == 8513) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1185] COND FALSE !(s->state == 8528) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1188] COND FALSE !(s->state == 8529) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1191] COND FALSE !(s->state == 8544) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1194] COND FALSE !(s->state == 8545) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1197] COND FALSE !(s->state == 8560) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1200] COND FALSE !(s->state == 8561) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1203] COND FALSE !(s->state == 8448) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1206] COND FALSE !(s->state == 8576) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1209] COND FALSE !(s->state == 8577) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1212] COND FALSE !(s->state == 8592) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1215] COND FALSE !(s->state == 8593) [L1218] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1218] COND FALSE !(s->state == 8608) [L1221] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1221] COND FALSE !(s->state == 8609) [L1224] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1224] COND FALSE !(s->state == 8640) [L1227] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1227] COND FALSE !(s->state == 8641) [L1230] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1230] COND TRUE s->state == 8656 [L1554] EXPR s->session [L1554] EXPR s->s3 [L1554] EXPR (s->s3)->tmp.new_cipher [L1554] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1555] tmp___9 = __VERIFIER_nondet_int() [L1556] COND FALSE !(! tmp___9) [L1562] ret = __VERIFIER_nondet_int() [L1563] COND TRUE blastFlag == 2 [L1564] blastFlag = 5 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1568] COND FALSE !(ret <= 0) [L1573] s->state = 8672 [L1574] s->init_num = 0 [L1575] tmp___10 = __VERIFIER_nondet_int() [L1576] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] EXPR s->s3 [L1667] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1667] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1696] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1137] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1139] EXPR s->state [L1139] state = s->state [L1140] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] COND FALSE !(s->state == 12292) [L1143] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1143] COND FALSE !(s->state == 16384) [L1146] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1146] COND FALSE !(s->state == 8192) [L1149] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1149] COND FALSE !(s->state == 24576) [L1152] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1152] COND FALSE !(s->state == 8195) [L1155] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1155] COND FALSE !(s->state == 8480) [L1158] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1158] COND FALSE !(s->state == 8481) [L1161] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1161] COND FALSE !(s->state == 8482) [L1164] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1164] COND FALSE !(s->state == 8464) [L1167] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1167] COND FALSE !(s->state == 8465) [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1170] COND FALSE !(s->state == 8466) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1173] COND FALSE !(s->state == 8496) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1176] COND FALSE !(s->state == 8497) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1179] COND FALSE !(s->state == 8512) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1182] COND FALSE !(s->state == 8513) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1185] COND FALSE !(s->state == 8528) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1188] COND FALSE !(s->state == 8529) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1191] COND FALSE !(s->state == 8544) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1194] COND FALSE !(s->state == 8545) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1197] COND FALSE !(s->state == 8560) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1200] COND FALSE !(s->state == 8561) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1203] COND FALSE !(s->state == 8448) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1206] COND FALSE !(s->state == 8576) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1209] COND FALSE !(s->state == 8577) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1212] COND FALSE !(s->state == 8592) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1215] COND FALSE !(s->state == 8593) [L1218] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1218] COND FALSE !(s->state == 8608) [L1221] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1221] COND FALSE !(s->state == 8609) [L1224] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1224] COND FALSE !(s->state == 8640) [L1227] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1227] COND FALSE !(s->state == 8641) [L1230] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1230] COND FALSE !(s->state == 8656) [L1233] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1233] COND FALSE !(s->state == 8657) [L1236] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1236] COND TRUE s->state == 8672 [L1585] ret = __VERIFIER_nondet_int() [L1586] COND FALSE !(blastFlag == 4) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1589] COND TRUE blastFlag == 5 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L3] __assert_fail("0", "s3_srvr.blast.01.i.cil-2.c", 3, "reach_error") VAL [init=1, SSLv3_server_data={-2147483569:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.3s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 951 SDtfs, 1145 SDslu, 977 SDs, 0 SdLazy, 84 SolverSat, 31 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 120522 SizeOfPredicates, 2 NumberOfNonLiveVariables, 659 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 224/224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...