./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 3ff34e80d9f0f73b7bbd7bbe2f389b5cf58f461c ............................................................................................................................................ 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_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 3ff34e80d9f0f73b7bbd7bbe2f389b5cf58f461c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:39:50,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:39:50,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:39:50,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:39:50,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:39:50,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:39:50,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:39:50,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:39:50,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:39:50,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:39:50,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:39:50,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:39:50,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:39:50,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:39:50,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:39:50,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:39:50,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:39:50,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:39:50,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:39:50,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:39:50,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:39:50,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:39:50,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:39:50,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:39:50,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:39:50,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:39:50,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:39:50,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:39:50,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:39:50,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:39:50,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:39:50,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:39:50,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:39:50,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:39:50,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:39:50,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:39:50,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:39:50,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:39:50,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:39:50,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:39:50,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:39:50,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-03 12:39:50,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:39:50,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:39:50,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:39:50,871 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:39:50,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:39:50,871 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:39:50,872 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:39:50,872 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:39:50,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:39:50,872 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:39:50,872 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:39:50,873 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:39:50,873 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:39:50,873 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:39:50,873 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:39:50,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:39:50,874 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:39:50,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:39:50,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:39:50,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:39:50,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:39:50,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:39:50,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:39:50,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:39:50,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:39:50,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:39:50,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:39:50,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:39:50,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:39:50,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:39:50,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:39:50,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:39:50,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:39:50,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:39:50,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:39:50,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:39:50,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:39:50,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:39:50,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:39:50,879 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_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff34e80d9f0f73b7bbd7bbe2f389b5cf58f461c [2020-12-03 12:39:51,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:39:51,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:39:51,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:39:51,183 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:39:51,184 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:39:51,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2020-12-03 12:39:51,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/829010af3/edae625aad3f4e858cb50377a075c951/FLAG47813fc43 [2020-12-03 12:39:51,912 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:39:51,913 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2020-12-03 12:39:51,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/829010af3/edae625aad3f4e858cb50377a075c951/FLAG47813fc43 [2020-12-03 12:39:52,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/829010af3/edae625aad3f4e858cb50377a075c951 [2020-12-03 12:39:52,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:39:52,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:39:52,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:52,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:39:52,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:39:52,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:52" (1/1) ... [2020-12-03 12:39:52,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcd2d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:52, skipping insertion in model container [2020-12-03 12:39:52,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:52" (1/1) ... [2020-12-03 12:39:52,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:39:52,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:52,742 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[71320,71333] [2020-12-03 12:39:52,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:52,773 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) [2020-12-03 12:39:52,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e94206e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:52, skipping insertion in model container [2020-12-03 12:39:52,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:52,781 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:39:52,784 INFO L168 Benchmark]: Toolchain (without parser) took 670.79 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.7 MB in the beginning and 64.3 MB in the end (delta: -17.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:52,786 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:39:52,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.24 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.5 MB in the beginning and 64.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:52,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.24 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.5 MB in the beginning and 64.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.4 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 0.2.0-7b2dab5 [2020-12-03 12:39:55,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:39:55,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:39:55,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:39:55,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:39:55,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:39:55,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:39:55,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:39:55,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:39:55,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:39:55,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:39:55,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:39:55,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:39:55,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:39:55,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:39:55,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:39:55,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:39:55,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:39:55,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:39:55,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:39:55,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:39:55,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:39:55,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:39:55,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:39:55,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:39:55,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:39:55,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:39:55,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:39:55,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:39:55,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:39:55,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:39:55,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:39:55,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:39:55,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:39:55,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:39:55,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:39:55,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:39:55,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:39:55,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:39:55,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:39:55,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:39:55,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-03 12:39:55,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:39:55,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:39:55,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:39:55,233 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:39:55,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:39:55,234 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:39:55,234 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:39:55,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:39:55,235 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:39:55,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:39:55,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:39:55,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:39:55,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:39:55,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:39:55,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:39:55,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:39:55,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:39:55,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:39:55,239 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:39:55,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:39:55,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:39:55,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:39:55,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:39:55,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:39:55,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:39:55,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:39:55,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:39:55,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:39:55,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:39:55,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:39:55,242 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:39:55,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:39:55,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:39:55,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:39:55,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:39:55,243 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_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff34e80d9f0f73b7bbd7bbe2f389b5cf58f461c [2020-12-03 12:39:55,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:39:55,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:39:55,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:39:55,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:39:55,699 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:39:55,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2020-12-03 12:39:55,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/511f39d2d/7c39bfecd76049bc8e8927f337b3d0b4/FLAG351cdbd8e [2020-12-03 12:39:56,541 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:39:56,542 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2020-12-03 12:39:56,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/511f39d2d/7c39bfecd76049bc8e8927f337b3d0b4/FLAG351cdbd8e [2020-12-03 12:39:56,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/data/511f39d2d/7c39bfecd76049bc8e8927f337b3d0b4 [2020-12-03 12:39:56,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:39:56,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:39:56,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:56,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:39:56,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:39:56,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:56" (1/1) ... [2020-12-03 12:39:56,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456a86e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:56, skipping insertion in model container [2020-12-03 12:39:56,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:56" (1/1) ... [2020-12-03 12:39:56,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:39:56,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:57,313 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[71320,71333] [2020-12-03 12:39:57,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:57,342 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-03 12:39:57,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:57,454 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[71320,71333] [2020-12-03 12:39:57,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:57,478 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:39:57,607 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[71320,71333] [2020-12-03 12:39:57,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:57,643 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:39:57,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57 WrapperNode [2020-12-03 12:39:57,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:57,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:57,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:39:57,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:39:57,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:57,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:39:57,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:39:57,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:39:57,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... [2020-12-03 12:39:57,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:39:57,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:39:57,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:39:57,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:39:57,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 [2020-12-03 12:39:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 12:39:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-03 12:39:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:39:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 12:39:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-03 12:39:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 12:39:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:39:58,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:39:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 12:39:58,372 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-03 12:40:11,055 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-12-03 12:40:11,056 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-12-03 12:40:11,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:40:11,065 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-03 12:40:11,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:11 BoogieIcfgContainer [2020-12-03 12:40:11,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:40:11,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:40:11,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:40:11,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:40:11,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:39:56" (1/3) ... [2020-12-03 12:40:11,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c9a601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:40:11, skipping insertion in model container [2020-12-03 12:40:11,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:57" (2/3) ... [2020-12-03 12:40:11,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c9a601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:40:11, skipping insertion in model container [2020-12-03 12:40:11,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:11" (3/3) ... [2020-12-03 12:40:11,075 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2020-12-03 12:40:11,089 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:40:11,093 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:40:11,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:40:11,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:40:11,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:40:11,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:40:11,146 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:40:11,146 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:40:11,146 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:40:11,146 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:40:11,146 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:40:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-12-03 12:40:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-03 12:40:11,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:11,179 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] [2020-12-03 12:40:11,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:40:11,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:11,185 INFO L82 PathProgramCache]: Analyzing trace with hash 522836684, now seen corresponding path program 1 times [2020-12-03 12:40:11,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:40:11,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894006237] [2020-12-03 12:40:11,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 [2020-12-03 12:40:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:11,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:40:11,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:40:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:40:11,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:40:11,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894006237] [2020-12-03 12:40:11,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:11,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:40:11,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862495471] [2020-12-03 12:40:11,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:11,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:40:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:11,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:11,761 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-12-03 12:40:11,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:11,911 INFO L93 Difference]: Finished difference Result 410 states and 695 transitions. [2020-12-03 12:40:11,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:11,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-03 12:40:11,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:11,933 INFO L225 Difference]: With dead ends: 410 [2020-12-03 12:40:11,933 INFO L226 Difference]: Without dead ends: 249 [2020-12-03 12:40:11,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:11,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-03 12:40:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-12-03 12:40:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-03 12:40:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 376 transitions. [2020-12-03 12:40:12,021 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 376 transitions. Word has length 45 [2020-12-03 12:40:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:12,022 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 376 transitions. [2020-12-03 12:40:12,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 376 transitions. [2020-12-03 12:40:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-03 12:40:12,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:12,026 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] [2020-12-03 12:40:12,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 12:40:12,243 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:40:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:12,244 INFO L82 PathProgramCache]: Analyzing trace with hash 176537583, now seen corresponding path program 1 times [2020-12-03 12:40:12,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:40:12,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745708789] [2020-12-03 12:40:12,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 [2020-12-03 12:40:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:12,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:40:12,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:40:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:40:12,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:40:12,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745708789] [2020-12-03 12:40:12,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:12,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:40:12,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568517980] [2020-12-03 12:40:12,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:12,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:40:12,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:12,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:12,642 INFO L87 Difference]: Start difference. First operand 249 states and 376 transitions. Second operand 3 states. [2020-12-03 12:40:14,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:14,302 INFO L93 Difference]: Finished difference Result 488 states and 743 transitions. [2020-12-03 12:40:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:14,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-03 12:40:14,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:14,306 INFO L225 Difference]: With dead ends: 488 [2020-12-03 12:40:14,306 INFO L226 Difference]: Without dead ends: 366 [2020-12-03 12:40:14,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:14,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-12-03 12:40:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2020-12-03 12:40:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-12-03 12:40:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 552 transitions. [2020-12-03 12:40:14,332 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 552 transitions. Word has length 62 [2020-12-03 12:40:14,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:14,333 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 552 transitions. [2020-12-03 12:40:14,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 552 transitions. [2020-12-03 12:40:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-03 12:40:14,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:14,339 INFO L422 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] [2020-12-03 12:40:14,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 12:40:14,562 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:40:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1124223160, now seen corresponding path program 1 times [2020-12-03 12:40:14,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:40:14,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934635311] [2020-12-03 12:40:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 [2020-12-03 12:40:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:14,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:40:14,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:40:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-03 12:40:14,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:40:14,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934635311] [2020-12-03 12:40:14,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:14,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:40:14,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660561754] [2020-12-03 12:40:14,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:14,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:40:14,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:14,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:14,980 INFO L87 Difference]: Start difference. First operand 366 states and 552 transitions. Second operand 3 states. [2020-12-03 12:40:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:17,049 INFO L93 Difference]: Finished difference Result 722 states and 1095 transitions. [2020-12-03 12:40:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:17,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-03 12:40:17,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:17,054 INFO L225 Difference]: With dead ends: 722 [2020-12-03 12:40:17,054 INFO L226 Difference]: Without dead ends: 483 [2020-12-03 12:40:17,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-12-03 12:40:17,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2020-12-03 12:40:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-12-03 12:40:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 729 transitions. [2020-12-03 12:40:17,076 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 729 transitions. Word has length 84 [2020-12-03 12:40:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:17,077 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 729 transitions. [2020-12-03 12:40:17,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 729 transitions. [2020-12-03 12:40:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-03 12:40:17,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:17,082 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] [2020-12-03 12:40:17,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 12:40:17,289 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:40:17,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:17,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1707028326, now seen corresponding path program 1 times [2020-12-03 12:40:17,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:40:17,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463632411] [2020-12-03 12:40:17,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/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 [2020-12-03 12:40:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:40:17,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:40:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:40:18,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:40:18,962 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-03 12:40:18,962 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:40:19,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 12:40:19,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:40:19 BoogieIcfgContainer [2020-12-03 12:40:19,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:40:19,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:40:19,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:40:19,343 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:40:19,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:11" (3/4) ... [2020-12-03 12:40:19,346 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:40:19,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ed29cb72-e8c9-4c3c-882f-1d10f7de910f/bin/utaipan/witness.graphml [2020-12-03 12:40:19,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:40:19,504 INFO L168 Benchmark]: Toolchain (without parser) took 22798.35 ms. Allocated memory was 52.4 MB in the beginning and 104.9 MB in the end (delta: 52.4 MB). Free memory was 26.6 MB in the beginning and 36.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,505 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:40:19,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 938.17 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.4 MB in the beginning and 30.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.52 ms. Allocated memory is still 62.9 MB. Free memory was 30.3 MB in the beginning and 41.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,508 INFO L168 Benchmark]: Boogie Preprocessor took 138.23 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 34.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,509 INFO L168 Benchmark]: RCFGBuilder took 13131.24 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 34.2 MB in the beginning and 59.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,509 INFO L168 Benchmark]: TraceAbstraction took 8273.88 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 52.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,510 INFO L168 Benchmark]: Witness Printer took 159.65 ms. Allocated memory is still 104.9 MB. Free memory was 52.3 MB in the beginning and 36.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:19,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 938.17 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.4 MB in the beginning and 30.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.52 ms. Allocated memory is still 62.9 MB. Free memory was 30.3 MB in the beginning and 41.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.23 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 34.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13131.24 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 34.2 MB in the beginning and 59.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8273.88 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 52.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * Witness Printer took 159.65 ms. Allocated memory is still 104.9 MB. Free memory was 52.3 MB in the beginning and 36.4 MB in the end (delta: 15.9 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: 1704]: a call to reach_error is reachable a call to reach_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 ; [L1084] unsigned long l ; [L1085] unsigned long Time ; [L1086] unsigned long tmp ; [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 = __VERIFIER_nondet_int() ; [L1097] int tmp___4 = __VERIFIER_nondet_int() ; [L1098] int tmp___5 = __VERIFIER_nondet_int() ; [L1099] int tmp___6 = __VERIFIER_nondet_int() ; [L1100] int tmp___7 ; [L1101] long tmp___8 = __VERIFIER_nondet_long() ; [L1102] int tmp___9 = __VERIFIER_nondet_int() ; [L1103] int tmp___10 = __VERIFIER_nondet_int() ; [L1104] int blastFlag ; [L1108] blastFlag = 0 [L1109] s->hit=__VERIFIER_nondet_int () [L1110] s->state = 8464 [L1111] tmp = __VERIFIER_nondet_int() [L1112] Time = tmp [L1113] cb = (void (*)())((void *)0) [L1114] ret = -1 [L1115] skip = 0 [L1116] got_new_session = 0 [L1117] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1117] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1118] EXPR s->info_callback [L1118] cb = s->info_callback [L1122] EXPR s->in_handshake [L1122] s->in_handshake += 1 [L1123] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1132] EXPR s->cert VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1132] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND TRUE s->state == 8464 [L1325] s->shutdown = 0 [L1326] ret = __VERIFIER_nondet_int() [L1327] COND TRUE blastFlag == 0 [L1328] blastFlag = 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1332] COND FALSE !(ret <= 0) [L1337] got_new_session = 1 [L1338] s->state = 8496 [L1339] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] EXPR s->s3 [L1663] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1692] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND TRUE s->state == 8496 [L1343] ret = __VERIFIER_nondet_int() [L1344] COND TRUE blastFlag == 1 [L1345] blastFlag = 2 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1349] COND FALSE !(ret <= 0) [L1354] s->hit VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1354] COND TRUE s->hit [L1355] s->state = 8656 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1359] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] EXPR s->s3 [L1663] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1692] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND FALSE !(s->state == 8496) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1177] COND FALSE !(s->state == 8497) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1180] COND FALSE !(s->state == 8512) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1183] COND FALSE !(s->state == 8513) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1186] COND FALSE !(s->state == 8528) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1189] COND FALSE !(s->state == 8529) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1192] COND FALSE !(s->state == 8544) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1195] COND FALSE !(s->state == 8545) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1198] COND FALSE !(s->state == 8560) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1201] COND FALSE !(s->state == 8561) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1204] COND FALSE !(s->state == 8448) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1207] COND FALSE !(s->state == 8576) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1210] COND FALSE !(s->state == 8577) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1213] COND FALSE !(s->state == 8592) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1216] COND FALSE !(s->state == 8593) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1219] COND FALSE !(s->state == 8608) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1222] COND FALSE !(s->state == 8609) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1225] COND FALSE !(s->state == 8640) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1228] COND FALSE !(s->state == 8641) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1231] COND TRUE s->state == 8656 [L1552] EXPR s->session [L1552] EXPR s->s3 [L1552] EXPR (s->s3)->tmp.new_cipher [L1552] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1553] COND FALSE !(! tmp___9) [L1559] ret = __VERIFIER_nondet_int() [L1560] COND TRUE blastFlag == 2 [L1561] blastFlag = 4 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1569] COND FALSE !(ret <= 0) [L1574] s->state = 8672 [L1575] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1576] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] EXPR s->s3 [L1663] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1663] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1692] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND FALSE !(s->state == 8496) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1177] COND FALSE !(s->state == 8497) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1180] COND FALSE !(s->state == 8512) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1183] COND FALSE !(s->state == 8513) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1186] COND FALSE !(s->state == 8528) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1189] COND FALSE !(s->state == 8529) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1192] COND FALSE !(s->state == 8544) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1195] COND FALSE !(s->state == 8545) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1198] COND FALSE !(s->state == 8560) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1201] COND FALSE !(s->state == 8561) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1204] COND FALSE !(s->state == 8448) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1207] COND FALSE !(s->state == 8576) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1210] COND FALSE !(s->state == 8577) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1213] COND FALSE !(s->state == 8592) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1216] COND FALSE !(s->state == 8593) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1219] COND FALSE !(s->state == 8608) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1222] COND FALSE !(s->state == 8609) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1225] COND FALSE !(s->state == 8640) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1228] COND FALSE !(s->state == 8641) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1231] COND FALSE !(s->state == 8656) [L1234] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1234] COND FALSE !(s->state == 8657) [L1237] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1237] COND TRUE s->state == 8672 [L1585] ret = __VERIFIER_nondet_int() [L1586] COND TRUE blastFlag == 4 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1704] reach_error() VAL [init=1, SSLv3_server_data={-2147483569:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.0s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 967 SDtfs, 455 SDslu, 589 SDs, 0 SdLazy, 43 SolverSat, 11 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 40522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 50/50 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...